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How to control boxwood pests? These methods are very practical
The larvae damage host plants such as boxwood, small-leaved boxwood (Buxus sinica), big-leaved boxwood (Buxus megistophylla), little-leaved boxwood, Japanese boxwood (Buxus microphylla), spoon-leaved boxwood, Korean boxwood, and holly by spinning silk to tie leaves together into nests. The damaged leaves first show yellow blighted spots, and later the entire leaf falls off. By spinning silk, they bind the leaves and the damaged fallen leaves together, preventing the leaves from spreading out, so growth and development are severely affected, and in severe cases the whole plant dies. In Shanghai, 3 to 4 generations occur per year, with severe overlapping of generations; they become active in March of the following year, begin pupating in mid-April, and begin emerging in late April
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Cultivation and Management Methods and Technical Key Points for Spray Chrysanthemums
Chrysanthemums are one of the ten traditional famous flowers of our country. They can be grown in a wide range of regions, with many varieties, abundant flower colors, and changeable flower forms. They bloom proudly in the frost of late autumn when a hundred flowers have withered, and have high ornamental value. Potted spray chrysanthemums in particular are deeply loved by people because of their compact plant form, neatly arranged flowers, and ability to display varietal characteristics. How to grow spray chrysanthemums well - technique is the key. 1. Pot soil preparation. Whether chrysanthemums grow well and how they bloom is closely related to pot soil preparation. Chrysanthemums dislike waterlogging and tolerate drought, like a certain amount of fertility, and
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Detailed Guide to the Cultivation Methods and Care Techniques of the Variegated Spider Plant
The variegated spider plant (Chlorophytum comosum 'Vittatum') is an evergreen herbaceous plant of the genus Chlorophytum in the family Asparagaceae. The plant grows in clumps, with fleshy short rhizomes and slender, linear-lanceolate leaves that are bright green with a relatively wide yellowish-white longitudinal stripe down the middle; the raceme is terminal, with small white flowers. The variegated spider plant prefers a warm, humid, semi-shaded environment; it is not cold-tolerant and fears scorching sun exposure. During the high temperatures of summer, it should be kept under a shade awning or in the shade of trees. In daily cultivation, the potting soil should be kept moist but not waterlogged, while also creating a small environment with humid air. During the growing season, apply a thin liquid fertilizer of decomposed manure or a compound fertilizer about once every 20 days. When fertilizing
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Detailed Explanation of Air Layering Propagation Methods and Technical Key Points for Southern Magnolia
1. Items needed: potting soil (by volume, the ratio of garden soil, moss, and aged rice husk ash is 1:0.5:1, mixed with water until it forms a ball when squeezed by hand, with a slight water mark showing but not dripping); pruning shears; grafting knife; plastic film (30 cm long, 25 cm wide); small coir rope, etc. 2. Mother tree selection: choose a mature tree 160-200 cm tall (for ease of operation), growing vigorously with relatively dense branching. 3. Layering time: early April to early May is most
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Packaging Methods and Technical Points for Cut Chrysanthemums
When cut chrysanthemums are transported over short distances or in small quantities, they usually do not need packaging and can be sent directly to the flower market; however, for long-distance transport, especially cross-border export of cut flowers, packaging is essential. When cut chrysanthemums are transported over short distances or in small quantities, they usually do not need packaging and can be sent directly to the flower market; however, for long-distance transport, especially cross-border export of cut flowers, packaging is essential. The packaging of cut chrysanthemums follows the general principles of cut flower packaging: (1) protect the product from mechanical damage, and
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Courtyard Cultivation Methods and Technical Key Points for Chinese Orchids
Many orchid growers use courtyards as orchid sites for orchid cultivation. The advantage is that it is close to the ecological environment of the orchid's native habitat, which is beneficial to the growth and development of the orchid plants. The disadvantage is that light, temperature, moisture, and wind force are not easy to control, and the plants are prone to natural disasters, pests, and diseases, which to a certain extent restricts the growth of the orchid plants. Therefore, the following key problems must be solved with emphasis: Light. Orchids are semi-shade plants. They cannot do without sunlight, but strong sunlight is also harmful. In winter and spring they need full light, while in summer and autumn strong direct light must be blocked. If the courtyard faces south, move the orchid plants to the front of the house in winter and spring, and to the foot of the south wall in summer and autumn. If it faces north, move them to the foot of the north wall in winter and spring, and to the front of the door in summer and autumn. In summer and autumn, shade nets must be used for shading, and the shading degree should be no less than 70%. If conditions permit, climbing plants such as grapes, loofah, and chayote can also be planted in the courtyard in summer, which can both shade and cool the orchids and provide fresh melons and fruits for eating.
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Detailed Explanation of Magnolia Cultivation Techniques and Care Management Methods
Magnolia is white with a slight bluish-green tint, lustrous, clean and elegant, and is a famous flower native to China, with a cultivation history of 2,500 years. Also known as white magnolia, Yingchun flower, and Wangchun tree, it is a deciduous tree of the Magnoliaceae family and Magnolia genus, with a height reaching up to 15 m; when planted in the ground in the north it is generally about 5 m. The crown is rounded and egg-shaped, the winter buds bear large scales, and both the young branches and the outside of the buds are covered with short soft hairs. Cultivated varieties are short in stature with dense branches, and the flowers are large and densely clustered. Seedling plants are tall with straight trunks and sparsely arranged branches, with abundant leaves and sparse flowers, but they have strong adaptability and grow rapidly. The leaves are large, alternate, obovate to long elliptic, with a very short abrupt tip at the apex, a wedge-shaped base, and entire margins without serrations; the leaf surface is glossy and has sparse soft hairs, and the veins on the underside are also covered with soft hairs; the petiole is very short. The flowers are large, borne singly at the top of the branches; the bell-shaped petals are obovate, white, fleshy, and delicately fragrant; the calyx is white and very similar to the petals, with 9 to 15 pieces together with the petals. They open before the leaves in spring, and the flowering period is about 8 to 10 days. The aggregate fruit is cylindrical; the young fruit is green, and after ripening it turns brown and splits open. The seeds hang outside the fruit, connected to the placenta by a thin thread at the hilum; the outer seed coat is red and fleshy, and the inner seed coat is bony; the fruit ripens in October. Varieties include the purple-red magnolia, whose outer tepals are purple-red and inner tepals pale red, opening at the same time as the leaves, and fragrant. Based on the number of petals, whether the tepals are upright or recurved, the width of the petals, flower color, and flowering period, magnolia has been preliminarily summarized into 6 to 11 types.
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Orchid Watering Methods: Handling Five Key Relationships Well
1. Watering and orchid species. Because each orchid species has different growth habits, its water requirements also vary. Cymbidium ensifolium likes moisture, but waterlogging in the growing medium must be avoided. Cymbidium sinense prefers dry over wet; too much moisture easily causes root rot and plant collapse. Cymbidium kanran has a well-developed root system and strong drought tolerance, so the potting soil should be kept on the dry side. Suxin orchids and leaf-variegated orchids require seven parts dry and three parts wet; too much moisture easily causes degeneration. 2. Watering and orchid pots. Clay pots have a rough texture and strong air permeability, and moisture evaporates easily, so water frequently, water generously, and water thoroughly. Plastic pots have low density and poor air permeability, and moisture is consumed slowly; in summer,
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Bougainvillea Flower Forcing Methods and Measures Explained
Bougainvillea, with abundant flowers and lush leaves, is easy to grow in pots and not difficult to propagate, with excellent cold resistance. In the northwestern Jiangxi region, it can overwinter just placed under the south-facing eaves. The drawback is: vigorous vegetative growth; if sunlight is insufficient and care and management are improper, it will be difficult to bloom. Adopting one of the following technical measures can make it bloom as early as June to July, with a flowering period lasting about 2 to 3 months. 1. Water withholding: Purple-red bougainvillea that has overwintered in dormancy sprouts and grows new branches in March, and by May most new branches have grown to about 10 cm; choose hot sunny days to withhold water, for 3 to
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Detailed Explanation of the Cultivation Methods and Technical Key Points for Single-Stem Chrysanthemums
Golden autumn is the season for admiring chrysanthemums, and among ornamental chrysanthemums, single-stem chrysanthemums are the finest. To cultivate single-stem chrysanthemums, the following steps must be done well: Select a plant with excellent flower shape, flower color, and plant form, as well as a vigorous plant that has already flowered, as the mother plant, and strengthen the care of the old roots. To ensure the health of the next generation of cuttings, spray 500-800 times diluted chlorothalonil or carbendazim once every 2 weeks before harvesting cuttings. Take vigorous young shoots from the second or third generation as cuttings. Cuttings are best taken from late May to mid-to-late June. Choose a seedling pot or an eggshell clay pot as the
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