Pleurotus ostreatus disease
Excuse me, why does the late growth of Pleurotus ostreatus have some small white bumps? There are many black varieties, but gray and white varieties rarely occur. The same planting methods and culture materials. Why did this happen? How to prevent and cure such miscellaneous bacteria?
All aspects of Pleurotus ostreatus production may be contaminated by miscellaneous bacteria and must be prevented in time. The main kinds of common miscellaneous bacteria are as follows:
The main results are as follows: (1) most of the bacteria occur on the slope of the mother species, and the harm of the original species and cultivated species is relatively mild. Bacterial contamination is characterized by rapid reproduction, which can be shown in 10 to 24 hours after inoculation. Prevention and control methods: first, vaccination tools must be wiped with alcohol and sterilized with flame. Second, the sterilization of culture medium should be carried out in accordance with the regulations.
(2) Penicillium and Trichoderma damage are common in original and cultivated species. Soon after invasion, it germinated and grew into hyphae, covering the surface of the culture medium. Trichoderma occurs in the fruiting body formation stage. When these two kinds of miscellaneous bacteria appear, they should be dug up in time.
(3) Alternaria is most likely to produce Alternaria and produce a large number of orange-red powdery spores in the summer high temperature season. Strains contaminated by Alternaria should be eliminated in time; bottles should be thoroughly cleaned and soaked in 0.05% potassium permanganate water, or steamed and sterilized before use.
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Disease control of Pleurotus ostreatus
In the cultivation of Pleurotus ostreatus; diseases and insect pests stand in the way. Understanding and timely prevention and control are of great significance to normal production. Diseases and insect pests are found; if no timely measures are taken, the yield of Pleurotus ostreatus will be seriously affected, sometimes resulting in no harvest. Therefore, we should select excellent and highly resistant bacteria, strengthen scientific management, and create environmental conditions conducive to mushroom growth but not conducive to the reproduction of diseases and insect pests. Some common control methods of diseases and insect pests are introduced as follows: 1. Diseases are common in the following two categories: (1) in the process of cultivation
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Pollution-free control of diseases and insect pests of Pleurotus ostreatus
In the process of Pleurotus ostreatus cultivation, a variety of miscellaneous bacteria such as green mold, Penicillium, Mucor and Alternaria and many kinds of pests such as mushroom mites, mushroom flies and mushroom mosquitoes will occur, sometimes even resulting in extinction. Pleurotus ostreatus is a fast-growing fresh and tender food, so it is not suitable to use pesticides with long residual period and highly toxic pesticides. The use of pollution-free control technology to control diseases and insect pests is of great significance for the production of safe and healthy edible mushroom products. 1. The utensils and materials used in the cultivation of edible fungi in environmental hygiene can be transferred into the mushroom shed, sterilized and killed with formaldehyde, so as to eliminate harmful bacteria and insect sources. two。 Original
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