How to propagate Medinilla magnifica: propagation methods for Medinilla magnifica, mainly by cuttings
Medinilla magnifica, also known as the Medinilla, is a fairly common ornamental flowering plant in people's daily lives, and many people grow it in various places. As more people grow Medinilla magnifica, questions about its propagation have also drawn concern. How to propagate Medinilla magnifica? What are the propagation methods for Medinilla magnifica? Let me walk you through them below.
1. How to propagate Medinilla magnifica: propagation by cuttings
When it comes to how to propagate Medinilla magnifica, it is generally mainly done by cuttings. In early spring, we can use branches that grew in the previous year for hardwood cuttings. In late spring and early autumn, we can use branches that grew in the current year for softwood cuttings. As for the specific cutting methods, they are described in detail below. Let's take a look.
2. Propagation methods for Medinilla magnifica
1. Substrate selection: good drainage
Before propagating Medinilla magnifica by cuttings, we first need to choose a substrate. This is the foundational step and is very important. Generally, it is best to choose loose, fertile leaf mold or peat soil as the substrate. Both of these soils have good drainage and air permeability, and they are also rich in nutrients, allowing the plant to grow vigorously.
2. Substrate disinfection: high-temperature sterilization
After choosing the substrate, we cannot use it right away; we still need to disinfect it. When disinfecting, we can break it up and spread it flat in the sun for solar disinfection, or put it into an iron wok and stir-fry it over high heat. This way, even if pests or bacteria are lurking in the substrate, they will be killed by the high temperature.
3. Softwood selection: cuttings in late spring or early autumn
Softwood cuttings are generally taken in late spring or early autumn each year. We can select thick, strong branches that grew in the current year as cuttings. After cutting them off, choose the sturdy part, then cut it into sections 5-15 cm long, and each section should have 2-3 leaves. When cutting the cuttings, be sure to cut 2 cm away from the stem node, and both the upper and lower cuts should be smooth.
4. Hardwood selection: cuttings in early spring
In early spring each year, the branches of the current year have not yet grown, so if we want to take cuttings, we need to choose branches that grew in the previous year. Generally, it is best to choose strong branches that grew in the previous year as cuttings, as this will give a higher survival rate. Each cutting usually retains 3-4 nodes. The cutting method is the same as for softwood cuttings, so I will not repeat it here.
5. Cutting method: roots in 40-50 days
When taking cuttings of Medinilla magnifica, we first need to apply an appropriate amount of base fertilizer into the substrate, then poke a hole in the potting soil, then insert the cutting into it. This method can prevent the cutting from being damaged when inserted and is very practical. After that, roots will form in about 40-50 days.
How to propagate Tropaeolum majus: propagation methods for Tropaeolum majus / seed propagation / cutting propagation
Tropaeolum majus is a highly ornamental flowering plant, and people grow it in many regions of our country. As more people grow it, questions about its propagation have also drawn concern. How to propagate Tropaeolum majus? What are the propagation methods for Tropaeolum majus? Let me walk you through them below.
1. How to propagate Tropaeolum majus: seeding/cuttings
When it comes to how to propagate Tropaeolum majus, it is mainly done by seed propagation and cutting propagation. As long as these two propagation methods are carried out properly, the survival rates are both relatively high. Their specific operation methods are described in detail below. Friends who are interested can take a look.
1. Substrate selection: good drainage
First, whether sowing seeds or taking cuttings of Tropaeolum majus, we need to choose a substrate. Although this plant has strong adaptability to the environment, it still grows differently in different soils. Generally, it is best to choose sandy soil rich in organic matter as the substrate, because this soil has good drainage and air permeability, allowing the plant to absorb nutrients better and making waterlogging less likely.
2. Substrate disinfection: high-temperature sterilization
After choosing the substrate, we also need to disinfect it to prevent pests and diseases in it from infecting the plant. When disinfecting, we can break it up and spread it flat in the sun for solar exposure, or put it into a wok and stir-fry it over high heat, so that even if pests and diseases are present, they will be killed by the high temperature.
2. Propagation methods for Tropaeolum majus (seed propagation)
1. Seed germination: soaking in warm water
Before propagating Tropaeolum majus by seed, we first need to germinate the seeds. We can soak its seeds in warm water at 40°C-45°C overnight, and when the seeds begin to absorb water and swell, take them out and plant them. This allows the seeds to germinate faster.
2. Sowing method: cover with 1-2 cm of soil
When sowing, first scatter the seeds of Tropaeolum majus evenly over the soil surface, then cover them with 1-2 cm of soil and water them. When watering, it is best not to water directly with a watering can, because the seeds of Tropaeolum majus are relatively small and are easily washed away this way. When watering, we can place the flowerpot into water and let the water slowly soak upward.
3. Propagation methods for Tropaeolum majus (cutting propagation)
1. Cutting selection: vigorously growing branches
Before propagating Tropaeolum majus by cuttings, we first need to choose cuttings. Generally, it is best to choose branches that are relatively vigorous and free from pest and disease damage as cuttings, as this will give a higher survival rate. If we choose branches that already look frail, then it is basically very difficult for them to survive, so everyone should not be too casual when choosing.
2. Cutting method: roots in two weeks
Among the propagation methods for Tropaeolum majus, cutting propagation is relatively simple. Before cutting, we can use chopsticks to poke a hole in the substrate, then insert the cutting halfway. This operation can prevent the cutting from being damaged and is very practical. After that, roots will form in about two weeks. After rooting, it can be planted out, and after planting out it can be cared for normally.
Medinilla magnifica Medinilla magnifica Lindl Medinilla magnifica illustrated guide: how to grow Medinilla magnifica / how to propagate Medinilla magnifica
Medinilla magnifica profileMedinilla magnifica Medinilla magnifica Lindl
Cultivation methods and precautions for Medinilla magnifica, an introduction to Medinilla magnifica
Medinilla magnifica, also known as pearl Medinilla, is native to the Philippines. It likes high temperature, high humidity, and a semi-shaded environment, is not cold-tolerant, and avoids exposure to scorching sun. It requires fertile, loose leaf mold or peat soil, and the winter temperature should not be lower than 16°C.
Morphological characteristics of Medinilla magnifica
Evergreen shrub, native to the tropical rainforests of Southeast Asia. It is 1.5 m to 2.5 m tall, and the stems have 4 angles or 4 wings. Leaves are simple and opposite, without petioles; the leaf blade is ovate to elliptic, entire, about 30 cm long and 18 cm wide. The leaf surface is green and glossy, and the main veins have obvious ivory-white depressions. The spike-like or paniculate inflorescence droops, with pink or pinkish-white involucral bracts outside the flowers, and the small flowers are about 2.5 cm in diameter. The fruit is spherical, with persistent sepals at the top. Its flowers, leaves, and fruits all have excellent ornamental value, and it is suitable as a large or medium potted plant.
Ecological habits of Medinilla magnifica
It likes high temperature, high humidity, and a semi-shaded environment, is not cold-tolerant, and avoids exposure to scorching sun. It requires fertile, loose leaf mold or peat soil, and the winter temperature should not be lower than 16°C.
Cultivation techniques for Medinilla magnifica
Repot every spring, remove the old soil, add fertile, well-drained leaf mold, and provide appropriate shade. During the growing season, keep the soil moist; in winter, cultivate indoors, increase light, and reduce watering. During the flowering period from April to June, humidity should not be too high, otherwise it easily causes flower drop.
Potting up or transplanting
When potting small seedlings or repotting large plants that have been grown for several years, first place 2-3 cm thick coarse-grained substrate at the bottom of the pot as a drainage layer, sprinkle a layer of fully decomposed organic fertilizer on top as base fertilizer, about 1-2 cm thick, then cover it with a thin layer of substrate about 1-2 cm thick, and then place the plant in, so as to separate the fertilizer from the root system and avoid burning the roots.
After potting, water thoroughly once and keep it in a shaded environment for one week of care.
When transplanting small seedlings, first dig the planting hole, sprinkle a layer of organic fertilizer at the bottom of the planting hole as bottom fertilizer (base fertilizer), about 4-6 cm thick, then cover it with a layer of soil and place the seedling in, so as to separate the fertilizer from the root system and avoid burning the roots.
After placing the seedling in, backfill the soil to cover the root system, press the soil firm with your foot, and water thoroughly once.
Humidity management
It likes a humid climate environment and requires the relative air humidity of the growing environment to be 70-80%. If the relative air humidity is too low, the lower leaves turn yellow and fall off, and the upper leaves lose their luster.
Temperature management
Because it is native to tropical regions and likes high-temperature, high-humidity environments, it has very strict temperature requirements in winter. When the ambient temperature is below 10°C, growth stops, and when frost occurs, it cannot overwinter safely.
In summer:
1. Strengthen air convection so that the temperature inside the plant can be released;
2. Place it in semi-shade, or provide it with 50% shade;
3. Mist it appropriately, 2-3 times a day.
In winter:
1. Move it indoors to a bright place for care;
2. Outdoors, it can be wrapped in plastic film to overwinter, but the film must be opened every two days at noon when the temperature is higher to let it breathe;
Light management
It likes a semi-shaded environment. In autumn, winter, and spring, it can be given plenty of sunlight, but in summer it should be shaded by more than 50%.
When keeping it indoors for care, try to place it in a place with bright light, such as a well-lit living room, bedroom, study, and similar locations. After keeping it indoors for a period of time (about one month), move it outdoors to a shaded place (with winter insulation conditions) for care for a period of time (about one month), and alternate like this.
Fertilizer and water management
For potted plants, in addition to adding organic fertilizer when potting, appropriate fertilizer and water management should also be carried out during ordinary care.
Spring, summer, and autumn
These three seasons are its peak growing seasons. Fertilizer and water management follows the cycle of "Huabao" - clear water - "Huabao" - clear water, with an interval of about 1-4 days. On sunny days or during high temperatures, the interval is shorter; on rainy days or during low temperatures, the interval is longer or no watering is done.
Winter
During the winter dormant period, the main task is to control fertilizer and water. Fertilizer and water management follows the cycle of "Huabao" - clear water - clear water - "Huabao" - clear water - clear water, with an interval of about 3-7 days.
For field-planted plants, in spring and summer, according to drought conditions, apply fertilizer and water 2-4 times: first open a small ditch in a ring 30-100 cm away from the root crown (the larger the plant, the farther from the root crown), with the ditch width and depth both 20 cm. Scatter 25-50 jin of organic fertilizer into the ditch, or 1-5 liang of granular compound fertilizer (chemical fertilizer), then water thoroughly. After winter begins and before spring begins, apply fertilizer once more in the above way, but do not water.
Pruning
In winter, when the plant enters dormancy or semi-dormancy, cut off weak, pest-damaged, dead, and overly dense branches. Branches can also be organized in combination with cuttings.
Repotting
As long as it is cared for properly, it will grow very quickly. When it grows to a certain size, consider repotting it into a slightly larger pot so that it can continue to grow vigorously.
[Cultivation soil and component ratios for repotting] One of the following can be used: garden soil: cinder = 3:1; or garden soil: medium-coarse river sand: sawdust (mushroom residue) = 4:1:2; or one of paddy soil, pond mud, and leaf mold.
[Removing from the pot] Place the flower to be repotted on the ground, first lightly pat around the pot with your palm so that the root system is shaken and separates from the pot wall, then turn the flowerpot upside down on your left hand, gently hold the plant between the index finger and middle finger of your left hand, brace the wrist and fingertips against the pot rim, pat the bottom of the pot with your right hand, and then use your thumb to push the root soil downward from the bottom hole to let the plant come out. After it comes out, gently pat the potting soil with both palms to let excess soil fall off.
[Flowerpot preparation] Choose a flowerpot of appropriate size. Cover the bottom hole of the pot with two pieces of tile or thin foam pieces, ensuring both that the potting soil is not washed out by water and that excess water can drain out in time. On top of the tile or foam, place a layer of ceramsite or crushed red brick as a drainage layer, about 2-3 cm thick. On the drainage layer, place organic fertilizer, about 1-3 cm thick. On the fertilizer, place a thin layer of substrate, about 2 cm thick, to separate the root system from the fertilizer. Finally, place the plant in, fill with nutrient soil, and leave about 2-3 cm from the pot rim.
Propagation methods for Medinilla magnifica
Mainly propagated by cuttings and seeds.
For cuttings, carry them out in early summer from June to July or in autumn from September to October. Select semi-lignified softwood branches 15-18 cm long, insert them into peat moss, and after 20-25 days they callus and root, and can be transplanted into pots in the same year.
For seeding, collect seeds in August, and sow immediately after collection or sow in spring the following year.
Seed propagation
Seed selection
Before sowing, the seeds must first be selected. Whether the seeds are selected well or not directly affects whether sowing can succeed.
1. It is best to use seeds harvested in the current year. The longer the seeds are stored, the lower their germination rate.
2. Choose seeds that are plump and free from damage or deformity.
3. Choose seeds free from pests and diseases.
Disinfection
Disinfection includes two concepts: one refers to disinfecting the seeds, and the other refers to disinfecting the substrate used for sowing. For household seed disinfection, it is common to soak the seeds in hot water at about 60°C for a quarter of an hour, then use warm hot water to promote germination for 12-24 hours.
To disinfect the substrate used for sowing, the best method is to put it in a wok and heat it, and any pests or diseases will be scalded to death.
Germination promotion
Soak the seeds in warm hot water (at a temperature similar to face-washing water) for 12-24 hours, until the seeds absorb water and swell. For very common seeds that germinate easily, this step can be skipped.
Sowing
For tiny seeds that are difficult to pick up with hands or other tools, you can moisten one end of a toothpick with water, stick the seeds one by one onto the surface of the substrate, cover with 1 cm of substrate, then place the sowing flowerpot into water, with the water depth at 1/2-2/3 of the height of the flowerpot, and let the water slowly soak upward (this method is called the "pot soaking method"); for larger seeds that can be picked up with hands or other tools, directly place the seeds into the substrate and sow them in spots at a spacing of 3 x 5 cm. After sowing, cover with substrate at a thickness 2-3 times that of the seeds. After sowing, use a sprayer or a fine-hole watering rose to moisten the sowing substrate. Later, when the potting soil is slightly dry, water again, still taking care not to water too forcefully, so as not to wash the seeds out;
Management after sowing
After sowing in late autumn, early spring, or winter, when encountering a cold wave and low temperatures, you can wrap the flowerpot in plastic film to help keep it warm and moist; after the seedlings emerge, open the film in time, and let the seedlings receive sunlight before 9:30 every morning or after 3:30 in the afternoon, otherwise the seedlings will grow very weak;
After most of the seeds have emerged, appropriate thinning is needed: pull out the diseased and unhealthy seedlings so that the remaining seedlings have a certain amount of space from each other;
When most of the seedlings have grown 3 or more leaves, they can be transplanted.
Cuttings
Softwood cuttings are often taken in late spring and early autumn using branches that grew in the current year, or hardwood cuttings are taken in early spring using branches that grew in the previous year.
Cutting substrate
This refers to nutrient soil, river sand, peat soil, and other materials used for cuttings. For household cuttings, due to limited conditions, it is very difficult to obtain an ideal cutting substrate. It is recommended to use the ready-made and sterilized cutting substrate provided by this site; medium-coarse river sand can also be used, but it should be rinsed several times with clear water before use. Do not use sea sand or river sand from saline-alkali areas, as they are not suitable for the growth of flowering plants.
Selection of cutting branches
When taking softwood cuttings, during the period from late spring to early autumn when the plant grows vigorously, select thick, strong branches that grew in the current year as cuttings. After cutting the branches off, choose the sturdy part and cut it into sections 5-15 cm long, and each section should have more than 3 leaf nodes. When cutting the cuttings, note that the upper cut should be made horizontally about 1 cm above the topmost leaf node, and the lower cut should be made diagonally about 0.5 cm below the bottommost leaf node, and both the upper and lower cuts should be smooth (the knife should be sharp).
When taking hardwood cuttings, after the temperature rises in early spring, select vigorous branches from the previous year as cuttings. Each cutting usually retains 3-4 nodes, and the cutting method is the same as for softwood cuttings.
Management after cutting
Temperature
The optimal temperature for cutting rooting is 20°C-30°C. Below 20°C, cuttings root with difficulty and slowly; above 30°C, the upper and lower cuts of the cuttings are easily infected by pathogens and rot, and the higher the temperature, the greater the proportion of rot. When encountering low temperatures after cutting, the main measure for keeping warm is to wrap the flowerpot or container used for cuttings in plastic film; when the temperature after cutting is too high, the main cooling measure is to shade the cuttings, removing 50-80% of sunlight, and at the same time mist the cuttings 3-5 times a day. On sunny days with higher temperatures, mist more often; on rainy days with lower temperatures and higher humidity, mist less often or not at all.
Humidity
After cutting, the relative air humidity must be maintained at 75-85%. The basic requirement for cutting rooting is that before the cuttings root, they must be kept fresh and tender so they can carry out photosynthesis to produce rooting substances. However, cuttings that have not rooted cannot absorb enough water to maintain their internal water balance. Therefore, misting must be used to reduce water evaporation from the cuttings: under shaded conditions, mist the cuttings 3-5 times a day. On sunny days, the higher the temperature, the more often misting is done; on rainy days, the lower the temperature, the less often misting is done or not at all. But excessive misting makes the cuttings susceptible to infection by pathogens and rot, because many kinds of pathogens exist in water.
Light
Cutting propagation cannot do without sunlight, because the cuttings still need to continue photosynthesis to produce nutrients and rooting substances to supply their rooting needs. However, the stronger the light, the higher the temperature inside the cuttings, the more vigorous the transpiration of the cuttings, and the more water consumed, which is not conducive to the survival of the cuttings. Therefore, after cutting, 50-80% of sunlight must be blocked. After the root system grows out, gradually remove the shading net: on sunny days, remove the shading net at 4:00 every afternoon, and cover the shading net again before 9:00 the next morning.
Layering propagation
Select vigorous branches, and from about 15-30 cm below the top shoot, peel off a ring of bark. The width of the wound after peeling is about 1 cm, and the depth should be just enough to peel off the outer bark. Cut a piece of plastic film 10-20 cm long and 5-8 cm wide, place some moistened garden soil on it, and wrap and bind the girdled part like wrapping a wound. Tie the upper and lower ends of the film tightly, with the middle bulging. Roots form after about four to six weeks. After rooting, cut off the branch together with the root system, and it becomes a new plant.
Pest and disease control for Medinilla magnifica
Leaf spot and stem rot sometimes occur; spray with 70% thiophanate-methyl wettable powder at 1000 times dilution. Pests include whiteflies and scale insects; spray to kill with 50% dichlorvos emulsifiable concentrate at 1000 times dilution.
Distribution range of Medinilla magnifica
Native to the tropical forests of the Philippines, Malaysia, and Indonesia. It is distributed in tropical regions of the Eastern Hemisphere. There are also 15 species in our country, found in the tropical and subtropical rainforests of Hainan Island and southern Yunnan.
Uses of Medinilla magnifica: indoor ornamental
The Medinilla magnifica has an elegant plant form, with broad, rugged gray-green leaves and drooping pink inflorescences, making it the most luxurious and beautiful of all the flowers in the Melastomataceae family. Potted Medinilla magnifica is best suited for display in hotels, halls, shopping mall display windows, and villa living rooms.
Medinilla magnifica pictures