What are the propagation methods for Anthurium? An introduction to three commonly used methods
The flower language of Anthurium is "bright prospects" and "passion," so it is often placed indoors to decorate interior environments and is deeply loved by people. Because Anthurium is a cross-pollinated plant, artificial propagation of Anthurium often uses asexual propagation methods such as division, cuttings and tissue culture.
The flower language of Anthurium is "bright prospects" and "passion," so it is often placed indoors to decorate interior environments and is deeply loved by people. Because Anthurium is a cross-pollinated plant, artificial propagation of Anthurium often uses asexual propagation methods such as division, cuttings and tissue culture.
Anthurium
I. Division propagation
Anthurium has a strong tillering ability. You can combine thinning, transplanting and removal of flower buds, separate the small and medium-sized side shoots from the mother plant, and then grow the side shoots into new plants. The specific method should follow these aspects:
1. The division period is mainly in the cool, high-humidity spring; division can also be done in cool autumn weather. Never divide in hot summer or in dry, cold seasons.
2. When dividing, care must be taken not to harm the mother plant. Do not separate side shoots that are too large, do not separate side shoots that are too close together, and do not separate side shoots that are too weak and small. Mainly separate side shoots that are relatively easy to detach from the mother plant, relatively robust, and have at least 2 main roots or more.
3. When transplanting seedlings, division can be done by using even hand force to separate the side shoot from the mother plant at the bud eye of the underground stem. When separation is difficult, use a sharp, sterilized blade to cut it open at the bud eye. For division during removal of flower buds, first open the soil layer, pay attention to the distribution of the root system and the bud eye of the underground stem, carefully cut open the bud eye, and then remove the side shoot.
4. After the cut side shoot's wound has dried slightly, temporarily plant it in a cool place to promote rooting and restore growth. When planting, the root system must be spread flat and the plant upright, with support if necessary. Do not water immediately after planting; you may spray water on the leaves to maintain humidity. After 2 days, water or apply a dilute fertilizer solution as conditions require.
The disadvantage of division and cutting propagation is slower growth, and the materials are difficult to disinfect and may carry pests and diseases (such as root-knot nematodes, bacteria and viruses, etc.). The cultivation technical requirements for divided plants and tissue-cultured plants are the same; the former is simply taller and stronger than the latter.
II. Seed propagation
In Anthurium breeding, sowing is the main way to obtain new Anthurium varieties. The Anthurium fruit is a berry type and must be sown immediately after harvest. Before sowing, remove the peel and wash off the flesh to avoid the peel and flesh rotting and becoming moldy, which would affect the seed germination rate. The sowing method can use the pure sand germination method: sow the seeds thinly in clean river sand at a sowing depth of 0.5-0.8 cm, maintain a certain humidity, and generally they will germinate in about 15 days, with new leaves soon growing out. When they grow to 5-6 leaves, they can be transplanted for temporary cultivation into a substrate mixed with pure perlite and peat soil or coconut coir at a ratio of 1:2.
III. Tissue culture
Tissue culture is a propagation method in which cut pieces of plant material are placed in a culture medium for cultivation and new plants are obtained. The entire process is completed under sterile conditions in a laboratory. The propagation material must first be strictly disinfected and undergo virus-elimination culture in order to provide a guarantee for obtaining virus-free cloned seedlings.
The propagation materials for Anthurium mainly use callus tissue and leaves. The reason for using callus tissue as propagation material is that the resulting cloned seedlings are less prone to variation, but obtaining virus-free callus tissue is very difficult. Leaves are easy to disinfect and relatively convenient to handle; the disadvantage is that the leaves are not smooth, and the plants formed through culture are prone to mutation, but this mutation can be controlled artificially.
During the bottle seedling stage, tissue-cultured seedlings complete their growth process under various optimal growth conditions provided artificially. The experimental conditions differ greatly from the natural external conditions; therefore, it is necessary to let the bottle seedlings undergo a transitional hardening and acclimatization process so that the bottle seedlings can smoothly adapt to the natural environmental conditions outside.
A commonly used fresh cut flower - Anthurium
Anthurium, original name: Huazhu (scientific name: Anthurium andraeanum), is a perennial evergreen herbaceous plant of the Araceae family, Anthurium genus.
The flowers are unique, with a spadix inflorescence, bright and gorgeous in color, rich in color variation, and each flower has a long flowering period. The flower color changes greatly. From the spathe unfolding to the flower withering, the color undergoes a series of changes, from the initial cream yellow to milky white, finally becoming green, and then turning yellow again before withering.
Leaf-shaped bracts; common bract colors include red, pink, white, etc., with great ornamental value. It can be propagated by sowing, division and other methods. The flower language of Anthurium is "bright prospects" and "passion."
Although the flower language of Anthurium carries meanings of "passion," "enthusiasm" and "care," when giving this flower to someone, it is not advisable to give a single stem, because this does not mean the other person is "one of a kind" or "single-heartedly devoted"; rather, it means "one hand cannot clap," that is, having enthusiasm alone. It is best to give multiple stems, either three, six or nine, taking the meanings of "threes never ending," "six-six great fortune" and "long-lasting."
Many skilled flower arrangers have discovered that Anthurium, with its unique floral appearance, is indeed a "rising star of flower arranging" with a bright future. Because Anthurium has a dazzling and striking character, many Westerners regard it as a symbol of "ardor and boldness," generally adopting the grandeur of Western flower arranging, using shallow low vases to arrange them in clusters, with small white or purple flowers around them as accompaniment, making the hall appear exceptionally magnificent and noble. In addition, when a new store opens or at wedding celebrations, people also choose it to make flower baskets to add a festive atmosphere. Japanese people, who are skilled in ikebana, also have great affection for Anthurium. When using the "heaven, earth, human" flower arrangement method, they often place Anthurium in the "heaven" position to display its heroic posture, and crown it with the reputation of "large red round fan."
Anthurium andraeanum Anthurium illustrated guide: how to grow Anthurium / how to propagate Anthurium
Anthurium profileAnthurium andraeanum
Aliases: Huazhu, Anthurium, flamingo flower, red goose palm
Classification: perennial herbaceous flower
Family and genus: Plantae, Angiosperms, Monocots, Araceae, Anthurium
Full bloom period: all four seasons
Anthurium is also known as Anthurium and flamingo flower, etc., and belongs to the Araceae family, Anthurium genus. It is native to the tropical rainforest regions of South America, and is now widely cultivated in Europe, Asia and Africa. Its characteristics are that it likes warmth and fears cold, likes moisture and fears drought, and likes shade and avoids sun exposure. Its flowers are unique, with a spadix inflorescence, bright and gorgeous in color, rich in color variation, and leaf-shaped bracts. Common bract colors include red, pink, white, etc., with great ornamental value. It can be propagated by sowing, division and other methods. Anthurium, with its dripping green leaves, bright scarlet spathes, and spadix inflorescences inlaid like gold and jade, is enchanting. Its passionate, enthusiastic, warm and enterprising artistic conception makes people feel joyful spontaneously...
Anthurium cultivation methods and precautions Anthurium introduction
Anthurium is also known as Anthurium and flamingo flower, etc., and belongs to the Araceae family, Anthurium genus. It is native to the tropical rainforest regions of South America, and is now widely cultivated in Europe, Asia and Africa. Its characteristics are that it likes warmth and fears cold, likes moisture and fears drought, and likes shade and avoids sun exposure. Its flowers are unique, with a spadix inflorescence, bright and gorgeous in color, rich in color variation, and leaf-shaped bracts. Common bract colors include red, pink, white, etc., with great ornamental value. It can be propagated by sowing, division and other methods.
Anthurium, with its dripping green leaves, bright scarlet spathes, and spadix inflorescences inlaid like gold and jade, is enchanting. Its passionate, enthusiastic, warm and enterprising artistic conception makes people feel joyful spontaneously. In recent years, as the sales form of potted Anthurium has continued to improve, more and more flower producers want to enter this field and are eager to understand the conditions and issues needed for growing Anthurium. The author has summarized a complete set of potted Anthurium cultivation and management experience in production practice, and now introduces the main experience as follows: botanical characteristics,
Anthurium belongs to the Araceae family, Anthurium genus, and is a perennial evergreen herbaceous plant. It is a typical semi-succulent fibrous-root system and also has aerial roots. The stem is extremely short, nearly stemless. It can bloom year-round; generally, once the plant grows to a certain period, flower buds can emerge from each leaf axil and bloom. Anthurium often uses cross-pollination, and the pollination method mainly relies on insects such as bees, butterflies and moths.
This flower is also known as Flamingo flower or pigtail grass. Once accidentally ingested, the mouth will feel burning and painful, followed by swelling and blistering, the voice becomes hoarse and strained, and swallowing is difficult. Most symptoms will lessen over time and eventually disappear. If you want to relieve the pain, you can choose cool liquids, painkiller pills, or foods of the licorice type and flaxseed type.
Morphological characteristics of Anthurium
Anthurium is a perennial evergreen herbaceous flower. Its plant height is generally 50-80 cm, varying by variety. It has fleshy roots, no stem, and leaves emerging from the rhizome, with long petioles, solitary, heart-shaped, bright green, and with sunken veins. The flowers are axillary, with a waxy spathe, from perfectly round to ovate, bright red, orange-red flesh color, white, and a spadix inflorescence, cylindrical, upright.
The leaves and stems of Anthurium have a peculiar appearance: the leaves are dark green, heart-shaped, thick and tough, the flower center is long and pointed, in bright red, white or green, surrounded by red, pink or [color unclear in source] spathes, and all are toxic.
Anthurium blooms in all four seasons.
Ecological habits of Anthurium
Anthurium likes warm, humid and well-drained environments, and fears drought and strong direct sunlight. Its suitable growth daytime temperature is 26-32°C, and nighttime temperature is 21-32°C. The highest temperature it can tolerate is 35°C, and the low temperature it can tolerate is 14°C. The suitable light intensity is 16000-20000 lx, and the ideal relative air humidity (RH) is 70%-80%.
Anthurium is native to tropical rainforest areas such as Costa Rica and Colombia. It often grows epiphytically on trees, sometimes on rocks or directly on the ground. It likes warm, humid and semi-shaded environments, and avoids direct sunlight.
Flamingo flower likes environments with good drainage, high air humidity, shade and warmth, and loose fertile soil. Flamingo flower can bloom and bear fruit year-round in an environment with a daytime temperature of about 28°C and a nighttime temperature of about 20°C. Too high or too low temperatures will affect the growth of flamingo flower; below 0°C the plant will freeze to death. Keeping air humidity at 70%-80%, pH at 5.5, and Ec at about 1.2 is best for the growth of flamingo flower. For hydroponic flamingo flower, it is best to use distilled water; rainwater and well water can also be used. Adding an appropriate amount of nutrient solution to the water is even better. Change the water every 3-5 days to ensure a normal growing environment for flamingo flower.
1. Temperature
The optimal temperature for home-grown flamingo flower is 16-24°C. The lowest temperature must not be below 12°C, and the highest temperature must not exceed 30°C. If the ambient temperature is too high or too low, necessary measures should be taken to ensure the temperature environment required for normal growth and development of flamingo flower;
2. Light
Note that flamingo flower must not receive direct strong light; it needs sufficient scattered light, and it is also best to regularly rotate the plant to ensure even light exposure;
3. Humidity
Ensure that the humidity for flamingo flower is not lower than 50%, but at the same time the temperature and humidity must not be too high, to avoid negative effects caused by this. In environments above 28°C, spraying measures can be taken to increase humidity and create a normal growing environment for flamingo flower. In winter, note that the leaf surface does not need to be too wet, to prevent the plant from being too wet at night and prone to cold damage, which would be counterproductive;
4. Watering and fertilizing
Under normal growth conditions, water the growing soil weekly by allowing it to dry and become wet alternately. Generally follow the principle of not watering until the soil surface is dry, and when watering, water thoroughly. In spring, autumn and winter, the frequency and amount of watering can be appropriately reduced. Every half month, apply a 7-8% special nutrient solution or fertilizer water diluted 500 times along with watering.
5. Pruning
Under normal circumstances, during the growth of flamingo flower, the basal petioles gradually degenerate; when the stipules become dry, they can be pruned in time. After flowering, when the flower stalk turns yellow, it must also be cut off as soon as possible from the base, leaving a 2 cm protective stub.
6. The substrate should be loose when repotting
A mixed soil of peat soil, leaf bran and perlite at a ratio of 3:2:1 can be used.
7. Home maintenance
In summer, it can be placed on the shaded side of a room or in a hall with scattered light, or outdoors in a place not reached by direct sunlight.
8. Soil pH control
Flamingo flower is a flower variety relatively sensitive to salinity; therefore, the substrate pH should be controlled between 5.2-6.1 as much as possible, which is most suitable for the growth of flamingo flower. If the pH is too low, the flower stem becomes shorter, which reduces ornamental value. Tap water is suitable for planting flamingo flower, but it is expensive; natural rainwater is the best water source in flamingo flower cultivation. Potted flamingo flower has different water requirements at different growth and development stages.
Anthurium cultivation techniques and key cultivation points
Anthurium likes warm, humid and airy environments. When cultivating and maintaining it indoors, note the following points:
1. Control room temperature well
The optimum temperature for Anthurium growth is 18°C-28°C. The maximum temperature should not exceed 35°C, and the minimum temperature is 14°C. Below 10°C, cold damage may occur at any time. In summer, when the temperature is above 32°C, cooling measures are needed, such as strengthening ventilation, spraying more water, and providing appropriate shading. In winter, if the indoor temperature is below 14°C, heating is needed.
2. Maintain relatively high air humidity
Anthurium growth requires relatively high air humidity, generally not lower than 50%. High temperature and high humidity will be more favorable for Anthurium growth. When the temperature is below 20°C, maintaining the indoor natural environment is sufficient; when the temperature is above 28°C, spraying can be used to increase the relative humidity on the leaf surface and in the indoor air, so as to create a high-temperature, high-humidity growing environment for Anthurium. But in winter, even when the indoor temperature is relatively high, it is not appropriate to cool and moisturize too much, because overly wet plant leaves at night will reduce cold resistance and easily cause cold damage.
3. Control light well
When light is too strong, it may cause leaf discoloration, scorching or withering. Whether light management succeeds or not directly relates to the quality of the potted flower and to the number of flowers. Anthurium is a shade-loving plant, so indoors it should be placed in a bright place with a certain amount of scattered light. Be extremely careful not to place Anthurium in an environment with strong direct sunlight.
4. Water and fertilizer management should be appropriate
Anthurium is a flower variety relatively sensitive to salinity. The lower the salt content of the water, the better; it is best to use tap water. Fertilizer is often applied together with watering. Generally, a compound fertilizer with a nitrogen-phosphorus-potassium ratio of 1:1:1 is used. After dissolving the compound fertilizer in water, apply it as a liquid fertilizer at a concentration of one-thousandth. Liquid fertilizer application should follow the principle of regular and quantitative application. In spring and autumn, generally apply fertilizer water once every 3 days. If the temperature is high, depending on the dryness and wetness of the substrate in the pot, apply fertilizer water once every 2-3 days; in summer, apply fertilizer water once every 2 days, and when the temperature is high, add one more watering; in winter, generally apply fertilizer water once every 5-7 days. Special Anthurium fertilizer can also be used directly.
5. The substrate should be loose when repotting
A mixed soil of peat soil, leaf bran and perlite at a ratio of 3:2:1 can be used.
6. Home maintenance
It can also be placed in a hall, or moved outdoors during the day and placed under tree shade, under flower clusters or in a cool place. In winter, it should be placed on the sunny side of a room, and at night it can be placed inside curtains or near a heat source.
7. Soil pH control
Anthurium is a flower variety relatively sensitive to salinity; therefore, the substrate pH should be controlled between 5.2-6.1 as much as possible, which is most suitable for Anthurium growth. If the pH is too low, the flower stem becomes shorter, which reduces ornamental value. Tap water is suitable for planting Anthurium, but it is expensive; natural rainwater is the best water source in Anthurium cultivation. Potted Anthurium has different water requirements at different growth and development stages.
Cultivation management
There are four common types of potted Anthurium materials: tissue-cultured seedlings, cut plants, plug seedlings and potted seedlings. A basic principle: the smaller the plant, the greater the cultivation difficulty. Tissue-cultured seedlings and cut plants require special planting methods and are relatively difficult, so they are generally not recommended. For growers, if the cultivation conditions are relatively good and they also have some experience, they can choose potted seedlings with a plant height of 10-15 cm. This kind of seedling can be directly planted in the final pot and is relatively safe. When you have enough experience, you can choose plug seedlings with a plant height of 6-10 cm, which are relatively cheaper.
Temperature
Anthurium is relatively sensitive to temperature. The suitable growth temperature is 14-35°C, the optimum temperature is 19-25°C, and the day-night temperature difference is 3-6°C, that is, preferably 21-25°C during the day and about 19°C at night. At such temperatures, it is beneficial to the absorption and accumulation of nutrients in Anthurium and is extremely favorable for growth and flowering. If it is below about 13°C for a long time, although the plant will not die, it will be difficult to recover growth for a long time; when the temperature is above 35°C and light is relatively sufficient, leaf surfaces are prone to scorching. Because damaged leaves will not reverse, this affects the overall quality of Anthurium and also creates difficulties for subsequent maintenance.
Under intensive production conditions, heating often uses automatic temperature control equipment. In winter, heating is provided by boilers or by installing warm-air heating equipment, such as oil-fired heaters, double-layer plastic sheeting, cold-proof cloth, cattail mats, straw, etc. Cooling often uses a water curtain-fan cooling system, which is also a common cooling solution in northern China, or water mist cooling and humidifying equipment. Greenhouse top windows and side windows can also be opened, and the plastic sheeting on the sides of the plastic shed can be rolled up.
In winter, it should be placed on the sunny side of a room. Anthurium is native to the tropical rainforests of South America. It likes warm, humid and semi-shaded environments, but is not tolerant of shade. It likes sunlight but avoids direct sunlight, is not cold-tolerant, and likes fertilizer but avoids saline-alkaline conditions. Potted Anthurium should use a well-drained substrate. For large-scale production, a composite substrate of peat, perlite and sand is used, with the ratio: 1 cubic meter of peat: 4 to 5 kg of perlite: 0.15 cubic meters of sand. Its pH should be maintained between 5.5-6.5. The optimum growth temperature is 20-30°C; the maximum temperature should not exceed 35°C, the minimum temperature is 14°C, and below 10°C there is a possibility of cold damage at any time.
The optimum relative air humidity is 70%-80%, and it should not be lower than 50%, because maintaining relatively high air humidity in the cultivation environment is the key to successful Anthurium cultivation. Therefore, leaf spraying should be carried out many times throughout the year. Anthurium is not tolerant of strong light, and throughout the year it should be cultivated under appropriately shaded conditions, that is, in a greenhouse with protective facilities. In spring, summer and autumn, appropriate shading should be provided, especially in summer when 70% shading is needed. Direct sunlight will make leaf temperature higher than air temperature. If leaf temperature is too high, scorching, leaf burn, bud discoloration and slowed leaf growth may occur.
Light
Anthurium is a shade-tolerant plant and avoids direct sunlight, but do not think that because Anthurium is a shade-tolerant flower it does not need light. According to observations, when light increases by 1%, its flower yield also increases by 1%, but only within the suitable light intensity range for Anthurium. The relatively suitable light intensity range is 10000-20000 lux, mainly depending on different varieties and different growth conditions at different growth stages. Under any circumstances, ensure that light does not exceed 25000-30000 lux for a long time.
Under intensive production conditions, shading often uses double-layer shade nets: a fixed 40% shade net outside the greenhouse, and a movable 60% shade net installed inside the greenhouse, adjusted freely according to light intensity every day. The fixed shade net is relative; if capable, a movable shade net can also be used. For home maintenance, place it under tree shade, under flower clusters or in a cool place.
Potting
1. Pot specifications: different stages have different requirements for pot specifications. The small seedling stage is generally already completed at the seedling company. The Anthurium seedlings purchased for production are all medium seedlings (about 15 cm) or larger. Therefore, when potting and planting, disposable red plastic pots of 160 x 150 mm can be chosen for planting.
2. Cultivation substrate: the cultivation substrate must have strong water- and fertilizer-retention capacity, good permeability, no water accumulation, no toxic substances, and the ability to hold the plant in place. Before planting, the substrate must also be thoroughly disinfected to kill pests and diseases and maintain normal growth. 3. Potting and planting: Anthurium is a shade-loving plant, and planting requires a shade net with 75% shading capacity to prevent overly strong light. Planting two plants together is better than planting a single plant. A very important point when potting is to make the growth point in the center of the plant expose above the substrate surface, and at the same time try to avoid the plant being contaminated by the substrate. When potting, first fill the lower part of the pot with 4-5 cm of granular crushed stone, then add 2-3 cm of growing soil, while placing the plant upright in the center of the pot and spreading the root system fully, and finally fill with growing soil to 2-3 cm below the pot rim, but the growth point at the center of the plant and the small leaves at the base should be exposed. After planting, a fungicide must be sprayed promptly to prevent the occurrence of Phytophthora and Pythium diseases.
Water
In the seedling stage, because the plant's root system is weak and distributed relatively shallowly in the substrate, it is not tolerant of drought. After planting, water should be sprayed 2-3 times a day, and the substrate should often be kept moist to promote early rooting and more new roots, and pay attention to the dryness and wetness of the substrate on the pot surface; in the medium and large seedling stages, the plant grows quickly and needs more water, so the water supply must be sufficient; during the flowering stage, watering should be appropriately reduced and phosphorus and potassium fertilizer increased to promote flowering. However, the key to successful large-scale Anthurium cultivation is maintaining relatively high air humidity. Especially in hot seasons, the relative air humidity in the greenhouse can be increased through sprinkler systems and misting systems. But note not to spray the leaf surface in the evening; be sure to ensure that there are no water droplets on the Anthurium leaf surface at night, to avoid leaf scorching from high temperature and the occurrence of leaf burn, bud deformity and discoloration. During watering, be sure to alternate dry and wet; never water when the plant is severely short of water, as this will affect its normal growth and development. In hot seasons, usually water once every 2-3 days, and at noon also use a sprinkler system to spray water on the leaf surface to increase indoor relative humidity. In cold seasons, watering should be done between 9 a.m. and before 4 p.m. to avoid freezing the root system.
Fertilizer
Liquid fertilizer application should follow the principle of regular and quantitative application. In autumn, the cycle is generally 3-4 days. If the temperature is high, depending on the dryness and wetness of the substrate in the pot, apply fertilizer water once every 2-3 days; in summer, apply fertilizer water once every 2 days, and when the temperature is high, water once more; in autumn, generally apply fertilizer water once every 5-7 days. Fertilization time varies with climate and environment. Generally, it is applied between 8 a.m. and before 5 p.m.; in winter or early spring, it is done between 9 a.m. and before 4 p.m. Each fertilization must be operated by a dedicated person, and the dilution concentration and application amount of the liquid fertilizer (stock solution) must be strictly controlled. Adjust the pH of the diluted liquid fertilizer to about 5.7 and apply it when the EC value is 1.2 ms/cm. In addition, two hours after liquid fertilizer application, use a sprinkler system to spray water on the plant leaves to wash off fertilizer remaining on the leaves, keep the leaf surface clean, and avoid algae growth.
Light
Anthurium grows in a cycle of "leaf -> flower -> leaf -> flower." The inflorescence is formed in the axil of each leaf. This results in the same yield of flowers and leaves, and the most important factor in yield differences is light. If there is too little light, under the influence of photosynthesis, the plant also produces very few assimilates; when light is too strong, some leaves of the plant will warm up, possibly causing leaf discoloration, scorching or withering. Therefore, whether light management succeeds directly affects how many assimilates Anthurium produces and the quality of the later product. To prevent bud discoloration or scorching, shade protection is necessary. The light received by Anthurium in the greenhouse can be regulated through movable shade nets. On sunny days, shade 75% of the light. The ideal light in the greenhouse is about 20000 Lux, and the maximum light intensity must not exceed 25000 Lux for a long time. In the morning, evening or on cloudy and rainy days, shading is not needed. However, Anthurium has different light requirements at different growth stages. For example, during the vegetative growth stage (when flower buds are usually removed), the light requirement is relatively high, and light can be appropriately increased to promote growth; during the flowering period, the light requirement is low, and a movable shade net can be adjusted to 10000 Lux to 15000 Lux to prevent bud discoloration and affect ornamental value.
Humidity
Anthurium growth requires relatively high temperature and quite high humidity, so high temperature and high humidity are favorable for Anthurium growth. Temperature and humidity are closely related. A sprinkler system or misting system must be used to increase indoor relative air humidity to create a high-temperature, high-humidity growing environment for Anthurium. But in winter, even if the greenhouse temperature is relatively high, it is not appropriate to cool and moisturize too much, because overly wet plant leaves at night will reduce their cold resistance, making them prone to cold injury, which is not conducive to safe overwintering. In hot seasons, the stronger the light and the higher the indoor temperature, the more the relative air humidity in the greenhouse can be increased through sprinkler systems or misting systems, but it must be ensured that the plants are not too wet at night to reduce disease occurrence; ventilation equipment can also be turned on to reduce indoor humidity, to avoid flower bud abortion or deformity caused by high temperature. In cold winter, when the indoor day-night temperature is below 15°C, heating is needed; when the temperature is below 13°C, a heater is even more necessary for heating and warmth to prevent cold damage and enable the plant to overwinter safely.
Production
After a period of cultivation and management, the substrate of Anthurium will undergo biodegradation and salinization, thereby reducing the substrate pH and increasing the EC value, thus affecting the root system's ability to absorb fertilizer and water. Therefore, the pH and EC values of the substrate must be measured regularly, and the proportion of each nutrient element adjusted according to the measured data to promote the plant's absorption of fertilizer and water. In addition, most Anthuriums will naturally sprout many small suckers at the roots, competing for nutrients with the mother plant, keeping the plant in a juvenile state and affecting plant shape. Removing the suckers can begin early to reduce damage to the mother plant.
Anthurium cultivation methods and maintenance details
1. The yellowing of Anthurium flowers and leaves is mainly root rot caused by too low temperature;
2. Too much fertilizer and water, because excessive fertilizer application causes metabolic disorders in Anthurium;
3. Excessive watering can also cause Anthurium leaves to turn yellow and affect ornamental value;
4. Too much light will cause Anthurium leaves to turn yellow and lose luster, and will also lead to slow growth, short petioles, small leaves and curling that does not spread;
5. The reason for vigorous growth but no flowering is generally that the placement location is too dark and there is too much nitrogen fertilizer.
Key points for growing flamingo flower well in the north
Flamingo flower is not easy to grow well in ordinary homes in the north. The following points should be noted in cultivation:
1. Except in winter, when it can be placed near a south window for maintenance, in other seasons it should be placed in a semi-shaded indoor area to avoid direct strong light.
2. The suitable growth temperature is between 20-30°C. After late autumn it begins to go dormant, but room temperature must not be lower than 15°C; avoid low temperatures. Also avoid high temperatures; under high temperature conditions growth is poor.
3. Except in winter, water frequently to keep the pot soil moist. Flamingo flower likes relatively high air humidity. The pot can be placed in a shallow dish containing pebbles and water, and the plant and surrounding ground should be sprayed frequently. After flowering, avoid splashing water on the flowers.
4. The pot soil can be made by mixing half peat soil and half pine needle soil, or pine needle soil can be used directly, and a small amount of fully decomposed horse hoof or slow-release tablet fertilizer can also be added. Preferably, use cooled boiled water (low in calcium) or rainwater for watering. The drainage hole at the bottom of the pot should be covered properly with tile pieces to ensure smooth drainage. From March to August, apply a thin fertilizer once every one to two weeks.
Anthurium precautions
1. Daily management of Anthurium
When Anthurium seedlings are transplanted into pots, the pot soil should be loosened frequently to maintain fertility. Indoors, Anthurium can be placed in a sunny place that does not receive direct sunlight, which can maintain temperature without scorching the Anthurium. In addition, Anthurium has a high water requirement and needs moist roots and leaves. Water in time and wipe the stems and leaves frequently. Also, increase fertilization according to the growth needs of Anthurium and pay attention to preventing pest and disease invasion.
2. Natural habits of Anthurium
Anthurium gets its name because its flowers resemble a human palm. It belongs to the Araceae family and originates from the tropical rainforest regions of South America. Anthurium flowers are not large, its leaves are emerald green, and the flowers, like leaves lying horizontally, have a glossy sheen. There are many flower colors, mainly bright red, and also many colors such as pink and white.
Anthurium is a plant originally growing in the tropics. It likes warm, humid and sunny climates. It has relatively high requirements for temperature and water, and prefers to grow in humid and warm environments. Anthurium is not suitable for outdoor planting because especially in summer the sun is too strong and will scorch the Anthurium, so it is generally placed indoors or in flower greenhouses for cultivation. Anthurium is suitable for growing in fertile, loose soil with good drainage.
Maintenance points
The flower is composed of a bright scarlet spathe and an orange-red spadix inflorescence. The inflorescence is spirally curled, dazzling, graceful, and gives people a bright and passionate feeling. For potting, a mixed substrate of leaf mold (or peat soil), moss plus a small amount of garden soil and charcoal and superphosphate should be chosen. During the growth period, apply a thin fertilizer combining nitrogen and phosphorus 1-2 times a month, or carry out foliar topdressing. From October to March of the following year, watering should be appropriately controlled; at other times watering should be sufficient, otherwise flowering will be affected, but note that watering should alternate dry and wet, and absolutely avoid water accumulation in the pot, otherwise root rot is easily caused. Flamingo flower fears cold, and during overwintering the room temperature should preferably be kept above 16°C. Cold and humidity in winter will both cause root rot. Flamingo flower likes semi-shade and fears strong light, so in spring, summer and autumn attention should be paid to appropriate shading, and in summer 60% of sunlight should be shaded. In hot seasons, it is best to place the pot on a sand tray containing wet sandy soil for maintenance. In winter, place it indoors near a south window for cultivation. No shading is needed. To maintain relatively high humidity, spray water on the leaf surface 2-3 times a day, and also sprinkle water on the ground. Generally, repot once every 1-2 years in early spring from March to April. Propagation of flamingo flower is mainly by division, mostly combined with repotting in early spring.
Anthurium is relatively sensitive to temperature. The suitable growth temperature is 14-35°C, the optimum temperature is 19-25°C, and the day-night temperature difference is 3-6°C, that is, preferably 21-25°C during the day and about 19°C at night. At such temperatures, it is beneficial to the absorption and accumulation of nutrients in Anthurium and is extremely favorable for growth and flowering.
Anthurium is a flower variety relatively sensitive to salinity, so the substrate pH should be kept between 5.2-6.1 as much as possible, which is most suitable for anthurium growth. If the pH value is too low, the flower stems become shorter, which reduces its ornamental value. Tap water is suitable for planting anthurium, but it is expensive; natural rainwater is the best water source for anthurium cultivation. Potted anthurium has different water requirements at different growth and development stages.
According to Dutch cultivation experience, root fertilization of anthurium is much more effective than foliar topdressing. This is because the leaf surface of anthurium has a waxy layer and cannot absorb fertilizer well. Liquid fertilizer application should follow the principle of regular and quantitative application. In autumn, the cycle is generally 3-4 days. If the temperature is high, fertilizer water can be applied once every 2-3 days depending on the dryness and moisture of the substrate in the pot; in summer, fertilizer water can be applied once every 2 days, and when the temperature is high, water can be applied one more time; in autumn, fertilizer water is generally applied once every 5-7 days.
Anthurium grows in a cycle of "leaf to flower to leaf to flower." The inflorescence is formed in the axil of each leaf. This results in the same yield of flowers and leaves, and the most important factor in yield differences is light. If there is too little light, under the influence of photosynthesis, the plant also produces very few assimilates; when light is too strong, some leaves of the plant will warm up, which may cause leaf discoloration, scorching, or charring. Therefore, whether light management is successful or not directly affects how many assimilates the anthurium produces and the quality of the later product.
Anthurium growth requires relatively high temperatures and quite high humidity, so high temperature and high humidity are beneficial to anthurium growth. Temperature and humidity are closely related. When the temperature is below 20°C, maintaining the indoor natural environment is sufficient; when the temperature reaches above 28°C, a sprinkler system or atomization system must be used to increase the relative humidity of the indoor air, so as to create a high-temperature, high-humidity growth environment for anthurium. However, in winter, even if the greenhouse temperature is relatively high, excessive cooling and humidification are not advisable, because overly wet leaves at night actually reduce the plant's cold resistance, making it prone to frost injury, which is not conducive to safe overwintering.
Propagation Methods and Propagation Characteristics of Anthurium
Anthurium is mainly propagated by division, cuttings, sowing, and tissue culture. For division, combine it with repotting in spring, cut off side branches with aerial roots and plant them to form individual plants. The divided daughter plants should retain at least 3-4 leaves. For cutting propagation, cut off old branches, remove the leaves, and make each 1-2 nodes into a cutting. Insert them into a cutting bed at 25-35°C, and they can sprout and root after a few weeks. Seeds from artificial pollination are sown immediately after maturity at a temperature of 25-30°C, and they germinate after two weeks. To develop anthuriums on a large scale, tissue culture is now used for propagation. Anthurium and flowers of the same genus are emerging cut flowers and potted flowers at home and abroad. Each flower's flowering period can reach one month, and they can bloom throughout the year. Because anthurium spathes are gorgeous, the plants are beautiful, and the ornamental period is long, market demand is increasing. Potted flowers are mostly used as decorative flowers on indoor coffee tables and desks.
Propagation Methods
Division, cuttings, and sowing are commonly used for propagation. In spring, select daughter plants with more than 3 leaves, cut them from the mother plant together with stems and roots, wrap them in sphagnum moss, and transplant them into pots. After 3-4 weeks, when they have rooted and survived, replant them. For upright stemmed Anthurium scherzerianum varieties, use cutting propagation. Likewise, insert them in sphagnum moss, and plant them in pots after rooting.
For Anthurium scherzerianum propagated by sowing, after emergence, it takes 3-4 years of cultivation to bloom. If propagated by division, it can produce flowers after 1 year of cultivation. In open-field cultivation, flowers are produced in summer, and the flowering time can last 2 months. By controlling environmental conditions, year-round flowering can be achieved.
Disease Control of Anthurium ⟧11⟧1. Potted anthurium sometimes shows premature flower aging, deformity, adhesion, splitting, vitrification, and blue spots. These are mostly physiological diseases caused by improper management of fertilization, potting soil, and air humidity or by varietal reasons. The prevention method is to improve cultivation management, fertilize reasonably, and provide appropriate ventilation.
1. Potted Anthurium (Anthurium andraeanum) sometimes shows premature flower aging, deformities, sticking together, splitting, glassiness (glassy texture), and blue spotting; these are mostly physiological disorders caused by improper fertilization, potting soil, and air humidity management, or by varietal factors. The way to prevent them is to improve cultivation management, fertilize reasonably, and provide proper ventilation.
2. The main diseases and pests of potted anthurium include bacterial wilt, leaf spot, root rot, Cylindrocarpon, Cylindrocladium, nematodes, red spiders, aphids, lepidopteran pests, whiteflies, scale insects, snails, and others.
3. Anthracnose is one of the common diseases of anthurium. The pathogen is fungi of the genus Gloeosporium or Colletotrichum. The former's symptom is the formation of round brown lesions along the leaf veins, after which the lesions join together to form large lesions with brownish-yellow edges, and the diseased part finally dries up. The latter is similar to the former, with black setae growing on the acervuli, and it also causes flower rot, forming black necrotic spots on the spadix. High humidity is the main cause of this disease. Control methods are chemical control and strengthened cultivation management. It is necessary to ventilate and provide light frequently, avoid splashing water or air-conditioning condensate onto the leaves, and promptly remove diseased leaves.
Damage by Red Spiders
Symptoms: mainly causing fading of leaves and flowers, affecting the marketability of leaves and flowers. In the early stage of damage, pesticide spraying can be used for control. Control agents include dicofol, propargite, omethoate, and cyhalothrin, etc.
Bacterial wilt is a bacterial disease caused by Xanthomonas and can infect leaves and spadix. In the early stage of the disease, water-soaked, translucent irregular small spots form on the leaves, then turn black, with a bright yellow edge outside, and the area around the lesions loses green color. This pathogen can cause systemic infection, manifested as yellowing of old leaves, breaking of petioles, and yellowing of vascular bundles. The control method is to strengthen cultivation management, supplement with chemical control, promptly remove diseased plant residues, and burn them. During cultivation management, reduce artificial wounds as much as possible and reduce the use of ammonium nitrogen fertilizer as much as possible. Generally, agricultural streptomycin or streptomycin is sprayed in the early stage of the disease.
Bacterial Leaf Spot
The symptoms shown are of one type on leaves and flowers: water-soaked spots can be seen in the early stage on the back of leaves and flowers, and later brown spots appear on the leaf margins, accompanied by yellow halos. The other type is that bacterial infection begins on the stem and rapidly spreads to the entire plant by infecting cells through vascular bundles. In the early stage, it can be found that the color of new leaves is dull, because the vascular bundles are blocked by bacteria, hindering the flow of water and the transport of nutrients within the plant, making the leaf color dull and the leaves yellow. In a relatively short time, this type of infection will cause flower stalks and leaves to fall from the plant, and the growing point rapidly rots with bacterial ooze flowing out.
Variety Classification of Anthurium
There are about 200 or more species in the same genus as anthurium, among which about 20 or more have ornamental value. Common ones include Anthurium clarinervium, Anthurium crystallinum, and Anthurium vittariifolium.
According to different ornamental purposes, they can be divided into 3 categories.
The first category is the cut flower type with upright spadix, represented by Anthurium scherzerianum;
The second category is the potted flower type with curved spadix, represented by Anthurium;
The third category is the foliage type with broad heart-shaped leaves, deep green and glossy, thick veins, silvery white, and beautiful patterns, represented by Anthurium crystallinum. The most widely cultivated type, with many strains and varieties, is the cut flower type.
According to the color of the spathe and fleshy inflorescence, cut flower varieties include the following:
1. Gloria, Alexia: spathe bright red, spadix yellow;
2. Mauricia, Candia: spathe bright red, tip of spadix green;
3. Rosetta, Nette: spathe crimson, tip of spadix green;
4. Lydia: spathe crimson, spadix entirely pink;
5. Margaretha: spathe white, spadix flesh-red.
Distribution Areas of Anthurium
Anthurium is native to the humid, semi-shaded ravine areas of the tropical rainforests of South America. Through introduction, improvement, and greenhouse cultivation with light, temperature, and water regulation systems, it is now widely cultivated in Europe, Asia, and Africa.
World scientific research on anthurium has already reached a relatively advanced stage, with Europe at a relatively high level, followed by Asia, and Africa relatively poorer. The Netherlands holds a leading position in systematic research on anthurium. China began introducing and cultivating it in the 1970s.
Uses and Ornamental Value of Anthurium
The anthurium flower is unique, as a spathe, with bright and gorgeous colors and rich coloration, and is a precious flower in the world. The flowering period is long. As a cut flower in water, it can last as long as 1.5 months, and the cut leaves can be used as supporting foliage in flower arrangements. It can be used as a potted plant, and a single potted flowering period can last as long as 4-6 months, and it can bloom year-round.
Economic Value
Anthurium is an important tropical cut flower. Its spadix inflorescence has a huge spathe that is thick and waxy, with colors including red, pink, white, green, and bicolor. With bright colors, unique shape, wide application range, and high economic value, it is a high-grade tropical cut flower and potted flower with rapid global development and relatively large demand.
Medicinal or Dietary Value of Anthurium
The medical information and health dietary information on Hugarden are for reference only and cannot be used as a basis for diagnosis or medical treatment. For any health problem, consult professional medical personnel, and for the treatment of any disease, follow a doctor's advice.
Ultimate flower care mission: love yourself, start from reality, and strictly follow a doctor's advice. Toward illness, do not be careless, do not delay, do not give up hope, face it bravely, warm the silent world with love, and care for the flower field in your heart with care.
Pharmacological Toxicity
The flowers of anthurium have mild toxicity, and there will be no problem if they are not accidentally eaten. Wash your hands each time after pruning branches and leaves. Its toxicity mainly comes from the sap, and with more care there will be no problem. Anthurium belongs to the Araceae family, and many plants in it are toxic, but as long as you do not come into too close contact with it, there is no problem. Anthurium can be kept at home. It has mild toxicity, but it is best placed outdoors.
Cultural Background of Anthurium and Dos and Don'ts for Gift Giving
Although the flower language of anthurium includes meanings such as "passion," "enthusiasm," and "care," when giving this flower to others, it is not appropriate to give a single stem, because this does not mean the other person is "unique" or that you are "single-hearted," but rather "one hand cannot clap," that is, having enthusiasm alone without support. It is best to give multiple stems, either three, six, or nine, taking the meanings of "threes continuing endlessly," "six-six great fortune," and "long-lasting."
Anthurium also has a white variety, but white anthurium is not suitable for giving to others. Do not think that white represents purity, because in its place of origin, white anthurium represents "false affection," and the indigenous people believe it represents a faded and bleached heart.
In Western astrology, anthurium is suitable for giving to people born in the Year of the Tiger and the Year of the Horse, and also matches people of Leo and Taurus, but it is not suitable for giving to people of Aquarius. It is unknown whether this is because water and fire are incompatible.
Flower Language of Anthurium
Flower language of anthurium: great prospects, passion, hot blood. Japanese people skilled in ikebana crown anthurium with the reputation of "large red round fan."
Because anthurium has the characteristic of being bright and eye-catching, many Europeans and Americans regard it as a symbol of "ardor" and "boldness."
Anthurium Pictures