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Key Technical Points for Improving the Survival Rate and Yield of Sexual Propagation of Gastrodia elata
Tuyan is one of the main Gastrodia elata production areas in Hubei, with wild Gastrodia elata widely distributed, and both the climate and soil within its boundaries are suitable for sexual propagation of Gastrodia elata. Combining local environmental conditions and based on practical experience, the author has summarized the key techniques for sexual propagation of Gastrodia elata suited to the local natural environment. 1. The quality and quantity of fungal inoculum are the foundation for ensuring the germination and growth of Gastrodia elata seeds. (1) The germination rate of Gastrodia elata seeds depends on the quality and quantity of the seed germination fungus. Practice has shown that sowing Gastrodia elata with No. 8104 seed germination fungus mixed in gives a high germination rate and fast germination speed.
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What to Do When Oyster Mushroom Mycelium Breaks or Degenerates? Causes and Prevention Methods
After inoculation, normally growing mycelium is dense and pure white, advancing forward in a fan shape, and the cottonseed hull substrate decomposed by the mycelium turns yellowish-brown. If a section of mycelium breaks and becomes disconnected, it is called "mycelium break." This situation is caused by excessive water content in the substrate and high temperatures during cultivation. Choosing appropriate humidity and temperature can prevent the "mycelium break" phenomenon. The degeneration and shrinkage of mycelium that has already grown well on the substrate is called "mycelium degeneration." If the substrate is too dry and too loose, the mycelium that grows will be thin and weak; excessively high temperatures during cultivation, poor ventilation, or pest infestation
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High-yield technique for bag cultivation of oyster mushroom on fermented coarse sawdust substrate
At present, with the development of the edible mushroom industry, the demand for raw materials is also growing. In recent years, the price of fine sawdust in the three northeastern provinces has soared, while coarse sawdust has become waste (such as the coarse sawdust sifted out through the electric sieve on the chipper and the coarse sawdust produced by the branch and twig crusher). The author used the locally abundant coarse sawdust as the main fermentation ingredient to cultivate oyster mushrooms, and the summary is as follows: 1 Test strain Oyster mushroom 2026, whose mother culture was provided by the Shijiazhuang High-tech Edible Mushroom Station in Hebei. The stock culture was a corn kernel medium, with corn kernels 99% and gypsum 1%. Soak or boil the corn kernels,
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Precautions for Catching and Sorting during the Separate Rearing of Adult Eels
1. Catching adult eels for separate rearing There are two catching methods. In larger eel ponds, net catching is generally used; in smaller ponds or concrete-structured eel ponds, the pond water can be drained directly and the eels placed into an eel collection net cage. With the net catching method, feed is used to attract the eels to the feeding area, and when most of the eels have gathered in the feeding area, the feeding area is surrounded with a net and the net is lifted at the feeding area. The caught eels are gathered in a long eel collection box. The long box should be positioned on one side of the eel pond where sorting operations are convenient, and at a distance of 3 to
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How to Identify Adulterated Pig Feed? A Few Practical Methods to Teach You
(1) Observe with your eyes. Buy 1 magnifying glass, with a higher magnification. Sift the feed with a sieve, spread it into a thin 1 layer, and carefully observe the material on the sieve and below the sieve with the magnifying glass. The characteristics of some of these materials under the magnifying glass are as follows. 1. Fishmeal The main components of fishmeal are fish meat, fish bones, fish spines, fish scales, fish eyes, etc., and no other substances should be present. Under the magnifying glass are fish scales and fish eyes; the fish scales are covered with concentric circles, the fish bones from the head are flaky, the fish spines are tetrahedral, and the fish meat is composed of muscle fibers. 2. Blood meal The edges of the particles are sharp and reddish-brown; the black shell fragments are usually tightly curled, with a smooth surface and marks like needle pricks. Hard seed hilums can also be seen, oblong, yellow, brown, or black. 3. Rapeseed cake (meal) The rapeseed meal shell is brown or black, with a meat-like texture on the surface. 4. Cottonseed cake (meal) The cotton shell has two layers and does not separate; the outer layer is dark and the inner layer is light, and the outer shell is connected to the cotton lint; there are many fine hairs, appearing silvery under the lens. 5. @#@245@#@ Bran is mainly the outer skin of wheat; the bran flakes are flaky and contain many starch granules. 6. Bone meal is bone fragments, opaque, white, lusterless, with a rough surface and hard texture. 7. Shell meal is a white or gray powder, and some shells still have faint lines.
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Soft-shell syndrome in prawns occurs at a high rate; how can it be prevented and treated in farming?
Prevention and treatment of soft-shell syndrome, which prawn farming is prone to
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Silkie chickens have poor vitality and disease resistance; how can their survival rate be improved?
Silkie chickens have poor vitality and disease resistance; how can their survival rate be improved?
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How to Reduce the Egg Breakage Rate and Cut Losses in Laying Hen Profits
Egg breakage affects laying hen profits; how to reduce the egg breakage rate
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Technical Points for Spraying Foliar Fertilizer on Cotton to Increase the Boll Setting Rate
This year, the summer-ripening crops in Haimen City were delayed in maturity due to climate effects, and after the summer harvest there was a continuous drought until mid-July, when it rained heavily for several consecutive days. This weather pattern of drought followed by rain was very unfavorable for the survival and growth of the already delayed transplanted cotton, and the growth process was delayed by about 10 days compared with normal years. To increase the formation speed of flower buds in the late stage of cotton and improve the boll setting rate, it is recommended to strengthen fertilizer management in the late stage by means of foliar spraying. 1. Combine pest control with proper timing of fertilizer application. Not every pest control treatment requires
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Can distiller's grains be used as a substrate for growing oyster mushrooms?
It is acceptable to use distiller's grains instead of wheat bran as a supplement for producing oyster mushrooms. The usual amount is about 20%, and the other 70-80% can be cottonseed hulls, sawdust, or similar materials. Because distiller's grains are fairly acidic, some lime or similar material should first be mixed in before use, bringing the pH down to 6-6.5.
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