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How to prevent and control common physiological diseases of oyster mushrooms?
1. Mycelial overgrowth. In oyster mushroom production, mycelial overgrowth often causes the mycelium to become densely clumped, forming old mycelial skin that fails to produce mushrooms. The main causes are aging of the spawn or subculturing with aerial mycelium during the transfer of primary spawn. In production, if the mushroom house is poorly ventilated, the temperature is too high, or the film is left covering for too long, mycelial overgrowth without mushroom production can also occur. Prevention and control methods: strengthen spawn production management; during the fruiting body differentiation stage, increase the ventilation of the mushroom house and lower the temperature of the mushroom house. When old mycelial skin appears during cultivation, promptly remove the old mycelial skin, score the mycelial block and mycelial film to stimulate mushroom production.
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Occurrence and Control Methods of Common Diseases in Oyster Mushrooms
In recent years, with the expansion of oyster mushroom cultivation areas and the increase in cultivation years, pest damage has become increasingly common, showing a trend of early and rapid occurrence, and in severe cases, entire flushes of mushrooms are lost. Because oyster mushrooms are relatively sensitive to pesticides and prone to phytotoxicity, applying chemicals after pest outbreaks makes it difficult to achieve the effect of eliminating pests while protecting the mushrooms. Therefore, identifying the damage characteristics of various pests and reducing infection sources are effective measures to avoid and reduce pest occurrence. I. Pest Species 1. Sciarid flies, also called dark-winged fungus gnats, commonly known as small black mosquitoes, small flies, or white maggots (referring to larvae). They belong to the order Diptera, mosquito-like insects.
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How to prevent and control common lily diseases? Detailed prevention and control methods
1. Soft rot. It harms the bulbs, causing them to rot and giving off a foul, offensive odor. It occurs severely when the temperature is high and humidity is great, causing rampant damage and spreading rapidly. Before planting, select undamaged bulbs and soak them in a 0.1% potassium permanganate aqueous solution for 8-10 minutes to disinfect them. After the disease occurs in the field, use a 5000-fold agricultural streptomycin aqueous solution, or a 5000-fold streptomycin sulfate aqueous solution, or a 5000-fold new phytomycin aqueous solution to drench the roots and spray the leaves, once every 7-10 days, for 2-3 consecutive times, pouring 2-3 kg
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A Detailed Guide to Common Lily Diseases and Their Control Methods
1. Bulb and scale rot and stem diseases caused by Fusarium. Symptoms: In plants with bulb and scale rot, growth is very slow and the leaves are pale green. Underground, brown spots appear at the top of the scales, on the sides, or where the scales join the basal plate, and these spots gradually begin to rot. If the basal plate stem is infected, the entire bulb will rot. The stem and leaf diseases caused by Fusarium are diseases that infect the above-ground parts. The identifying sign is that the basal leaves turn yellow before reaching maturity, and the yellowed leaves turn brown and drop off. On the stem
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What lily varieties are there? Introduction to common varieties
There are many kinds of lilies. In China, there are about 10 edible lily varieties, and the more widely cultivated varieties include: (1) Yixing lily. Yixing lily, also known as tiger lily. The plant is upright, about 80 cm tall. The bulb is about 4 cm high, with an average weight of 70 g, oblate, and the scales are white with a slight yellow tinge. The flowering period is in mid-to-late July. The flowers are pendulous and orange-red, with black spots on the inner side of the tepals, and when open they recurve beyond the pedicel, which is a distinctive feature of Yixing lily. The average yield is about 1000 kg per 667 sq m. (2) Lanzhou lily. Lanzhou lily, also known as Sichuan lily
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What are the treatment methods for common diseases in deer?
1. Treatment of dystocia: Strengthen scientific feeding and management of pregnant does. And create a relatively quiet birthing environment; when dystocia occurs, assist the birth promptly. 2. Treatment of gastrointestinal catarrh and gastroenteritis: Pay attention to feed and drinking water hygiene, and prevent sudden changes in feed, etc. Use 5% glucose for intravenous injection, and add sulfonamides, urotropine, and Analgin injection to the intravenous fluid. 3. Treatment of rumen impaction and acute rumen tympany: Stop feeding, but do not restrict drinking water. Sodium chloride can be injected intravenously; for acute rumen tympany, treatment
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Wuzhimaotao (hairy fig, Ficus hirta) is a commonly used health food.
Wuzhimaotao, commonly known as wild loquat, tubeiqi, five-claw dragon and so on, is a small shrub or small tree. It grows 2-8 m tall, has milky sap, and its root bark is fragrant; the stems, leaves and fruits are all covered with stiff hairs, and the leaves are lobed like a hand. It mostly grows on open hillsides, in valleys, beside water or in thickets. The main part used is the root, and it is a plant with fairly good medicinal value. Its nature and flavour are pungent, sweet and neutral, and it has the effects of tonifying qi and replenishing deficiency, moving qi and relieving depression, strengthening the sinews and activating the collaterals, fortifying the spleen and resolving dampness, and relieving cough and transforming phlegm. It has now been developed into a green food for health-preserving dietary therapy, and has been made into
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Analysis of Common Problems and Countermeasures in Nanguo Pear Production
I. Planting Density Issues In old Nanguo pear orchards, the spacing between trees is large, the number of trees per unit area is small, the tree canopy is tall, management is extremely inconvenient, production costs are high, early yields per unit area are low, and the trees take a long time to reach full bearing age. Based on current advanced management methods and techniques, rational close planting is advocated. Given that Nanguo pear trees exist both as standard-rootstock trees and as dwarfing interstock trees, we believe that the suitable planting density for standard-rootstock Nanguo pear trees is a tree spacing of 3-4 m and a row spacing of 4-5 m, with 33-35 trees planted per mu of orchard. With this tree and row spacing, through the comprehensive application of various pruning measures, the trees can enter the high-yield period earlier, and the canopy spread can be controlled at 3-4 m. If water and fertilizer conditions are good and the canopy cannot be controlled, in the later stage the method of removing every other tree and removing every other row can be adopted to gradually increase the tree and row spacing. However, when establishing the orchard, permanent trees and temporary trees must be designated. Permanent trees should use a large-canopy tree form, while temporary trees should use a small-canopy tree form that bears fruit early. As the canopy of the permanent trees continuously expands, the canopy of the temporary trees should be gradually reduced to ensure the tree form and yield of the permanent trees. For dwarfing interstock Nanguo pear trees, the suitable planting density is generally a tree spacing of 1.5-2 m and a row spacing of 3 m, with a planting density of 111-148 trees per mu. On mountainous land with high elevation and steep slopes, the soil layer is often thin, management is inconvenient, and the canopy does not grow large, so under the condition of not affecting orchard operations, the planting density can be appropriately denser. On flat land with fertile soil, the canopy generally grows tall, so the planting density can be appropriately sparser.
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What are the commonly used quality indicators for garlic powder?
Garlic powder Garlic powder 1. Material selection: Select garlic harvested when the leaves are yellow and the stalks are withered, with large heads, white clove flesh, and no pests, diseases, or mechanical damage as the raw material, and remove garlic with small heads, pests or diseases in the clove flesh, or mechanical damage. 2. Soaking: Wash the selected garlic with clean water, separate it into cloves, then soak it in cold water for about 1 hour, rub off the skin, scoop out the garlic cloves, and drain off the remaining water. 3. Pulping: Put the drained garlic cloves into a pulping machine or grinder for crushing and pulping. When pulping, add 1/3 clean water to the garlic cloves; after pulping, use coarse gauze
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Common pests and predators in soft-shelled turtle farming and their control methods
The main predators of soft-shelled turtles include rats, snakes, birds, ants, mosquitoes, etc. They mainly harm turtle eggs and juvenile turtles under 1 year of age; turtles over 1 year old with strong constitutions are rarely harmed. Among them, rats cause the greatest harm to turtle eggs. In the dead of night, which is the good time for turtles to lay eggs, rats also come out of their holes and move frequently around the egg-laying sites. On one hand, they disturb the normal egg-laying of turtles; on the other hand, rats dig holes all over the sand bed, causing the turtle eggs to vibrate and leading to embryo death. Juvenile and young turtles are also easily surrounded and
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