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Detailed Explanation of the Characteristics and Cultivation Techniques of the Large-leaf Privet
Scientific name Ligustrun lucidum Ait., also known as wax tree, Oleaceae, Ligustrum genus. It is an evergreen large shrub or tree, with grayish-brown bark, smooth and not fissured. The leaves are 8-12 cm long, leathery and glossy, remaining green through winter, making it a rare evergreen broadleaf tree in temperate regions. The trunk is upright or two or three trunks emerge together, branches spread obliquely, forming a broad ovate, rounded crown. It can be planted as a street tree, tolerates pruning, and is commonly used as a hedge. The wood is fine and dense, used for joinery. The fruit contains starch and can be used for brewing wine, and is also used medicinally as a tonic.
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How to propagate broadleaf privet? Detailed propagation techniques
I. Seed propagation 1. Seed selection: In North China, late November to mid-December is the suitable period for seed collection. Choose trees with strong vigor, good form and strong resistance as mother trees. Carry out collection on a sunny afternoon, selecting seeds with high maturity, plump grains and no pests or diseases. After collection, dry them in a cool, ventilated place in the shade; avoid direct sunlight. 2. Soil mixing and land preparation: Select 2 parts fertile sandy loam with a pH of 6.7 to 7.0, 1 part high-quality peat soil, and 1 part field soil, then add 1.5 kg of diammonium phosphate and superphosphate
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Detailed Explanation of the Seedling Raising Methods and Techniques for Large-Leaf Privet (Ligustrum lucidum)
The seedling raising method for large-leaf privet (Ligustrum lucidum) is as follows: before sowing in early spring, first stratify the seeds in moist sand for about 60 days. Sow in drills with a row spacing of 15 to 20 cm, at a seeding rate of 7.5 to 10 kg per 667 sq m, cover with soil 1 to 1.5 cm thick, and mulch with straw. Germination and emergence generally begin in mid-April; once some of the seedlings have emerged completely, remove the straw and thin the seedlings in time. One-year-old seedlings reach 40 to 60 cm in height and can be lifted for use as hedges; for street trees or courtyard landscaping, they need to be transplanted and grown on as large seedlings for 2 to 3 years, and when the seedlings reach 1.5 to 2 m in height they can be transplanted; large seedlings must be lifted with a soil ball, and part of the branches and leaves should be pruned off.
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How to grow golden-edged oval-leaf privet? Detailed explanation of cultivation and management measures
The scientific name of golden-leaf privet is golden-edged oval-leaf privet. It likes light and tolerates slight shade, prefers warmth and humidity, is suitable for slightly alkaline soil, is slightly cold-resistant, and has strong resistance to air pollution. In urban and rural greening, it is often used for hedges, and at present, cuttings are commonly used for expanded cultivation. 1. Cutting preparation and cuttings: When pruning, select robust current-year, semi-lignified branches with obvious golden edges (for spring cuttings, the middle and upper parts of the previous autumn shoots can be selected), and cut them into cuttings. The cuttings should be 5-10 cm long and have 2-3 nodes, with a flat cut at the top and a slanted cut at the bottom. For individual larger leaves, cut off another 1/
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Leaf scorch on Japanese aralia (Fatsia japonica), spotted laurel (Aucuba japonica 'Variegata'), and rhododendron
Japanese aralia and spotted laurel are shade-loving plants that cannot tolerate strong sunlight. The scorching sun of midsummer often severely burns their young leaves, causing the young leaves to curl, turn yellow, and wither, or the leaves to scorch, seriously affecting plant growth. Certain pathogenic fungi then seize the opportunity to invade, further causing infectious diseases, and now fungal fruiting bodies can be seen on some of the lesions. Rhododendron is a semi-shade-loving plant, and the cause of its leaf scorch is similar to the above. Young leaves are more severely affected, and this disease causes a large amount of abnormal leaf drop in the plants. Control methods: (1) Because midsummer often brings sudden, relatively strong wind and rain,
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A Detailed Guide to the Processing and Making of Persimmon Leaf Tea
Persimmon leaf tea is a new type of health drink made from persimmon leaves. Persimmon leaves contain tannins, choline, protein, minerals, sugars, flavonoids and other substances useful to the human body, and are especially rich in vitamin C, with 1s of vitamin C per 100g of fresh persimmon leaves. Regular drinking of persimmon leaf tea has various health functions such as relieving constipation and promoting urination, purifying the blood, and resisting bacteria and reducing swelling. The key processing techniques are as follows: 1. Harvest leaves at the right time. The best time to collect persimmon leaves is summer and autumn, when the fruit has basically taken shape and the persimmon leaves are thick and large
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Detailed Explanation of Famous Tea Plucking and Fresh Leaf Processing Techniques
The quality of famous tea depends to a large extent on the fresh leaf raw material, but in recent years tea farmers' awareness of product quality has declined somewhat, especially in the plucking stage where standards are not strictly enforced, affecting the quality of famous tea. The plucking and fresh leaf processing techniques for famous tea are now introduced to tea farmers. 1. Plucking of Famous Tea The requirements for fresh leaf raw material of famous tea are extremely strict; the selected raw material must be uniform in thickness, complete, fresh and clean. It is strictly forbidden to mix in diseased or insect-damaged leaves, broken leaves, scales, fish leaves, purple buds, and even less to carry stem bases, tea fruits, old leaves and other debris.
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How to Identify and Control the Tea Green Leafhopper
The small green leafhopper, also known as the floating dust hopper, is the most important pest of tea plants. It damages tea plants by having its nymphs and adults pierce and suck the sap of young shoots, buds and leaves, causing the buds and leaves to yellow and lose their green color, the leaf veins to turn red, and the leaf texture to become coarse and old. In severe cases, the leaf tips and margins become reddish-brown and scorched, the buds and leaves shrivel, growth stops, and they may even be completely scorched, as if burned by fire. When affected leaves are made into dry tea, the amount of broken fragments increases, the taste is bitter and astringent, and both yield and quality are seriously affected. The adult small green leafhopper is 3.5-4.0 mm long, pale green to yellow-green, with 2 small green spots in the middle of the top of the head, and the mesothoracic scutellum
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How to prevent spider plant leaf tips from withering? Three methods to teach you
Spider plant (Chlorophytum comosum), evergreen all year round, suspended indoors, can be called an "aerial flower." The stolons it sends out from the leaf axils produce many small plantlets with roots, hanging down along the pot, very elegant. Spider plant is also called an indoor air "purifier"; it can absorb carbon monoxide, nitrogen oxides and other volatile gases, purifying the room's air and benefiting human health. However, spider plant leaf tips often wither easily, affecting its appearance. Therefore, prevention and treatment must be carried out according to the situation. 1. Always pay attention to watering and misting, keeping the pot
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What causes blackened leaf tips and root rot in Chinese orchids (Cymbidium)?
1. Excessive temperature and direct sunlight easily scorch the leaf tips. 2. The potting medium is too rich and stays wet without drying out; in mild cases this causes poor root development and blocked nutrient uptake, making the leaf tips prone to blackening, and in severe cases it causes root rot and death of the orchid plant. 3. Pests. There is a pest similar to aphids that congregates in the potting soil and lives on the orchid roots; it is very small and usually hard to spot, and although its direct damage is not great, it easily infects the orchid roots with disease, causing root rot.
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