Control of common diseases and insect pests of Pleurotus ostreatus
When the relative humidity of the air is too high, a large number of agglomerated aerial hyphae will be produced on the surface of the mycelium, which will affect the emergence of mushrooms. The solution is to reduce humidity and increase ventilation.
When the scab sprays too much water, the air humidity exceeds 95% and the ventilation is poor, the cap and stalk can produce brown spots. At this time, ventilation should be strengthened and humidity should be reduced.
When the wilt medium is too dry and the air humidity is too low, the mushroom buds or fruiting bodies stop growing, shrink and dry, and even die and rot. We should reasonably replenish moisture, adjust relative humidity and correctly master ventilation.
The fruiting body is deformed like coral, with thick root, long stalk and small cap, which is caused by hypoxia and poor ventilation, so ventilation should be strengthened.
Dry bubble disease, also known as brown spot, the surface of the fruiting body has white villous hyphae, raw brown spots, and the cap is shrunk and cracked. Prevention and control methods: spray 2% formaldehyde solution or 1 Gluconium 500 times carbendazim, and strengthen ventilation.
The fly is shaped like a black fly and lays eggs at the base of the stalk. Larvae, such as maggots, can bite stalks, caps and mycelia. It can be sprayed with 800 times high-efficiency and low-toxic pesticides, or you can light a lantern at night and put a piece of tin covered with tung oil behind the lamp. When the fungus fly hits the lamp, it is glued to the tung oil and dies.
Red spider is a small yellow-red mite that can harm mycelium and fruiting body. It bites the lid and fold of bacteria. Rusty yellow spots appear on the surface of the cap. Can be sprayed with 1 500mL 1000 times dimethoate or stone sulfur mixture (10mL).
Jumping insects like to bite the fruit body, which can be sprayed with 0.1% ivy essence for prevention and control.
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Control of Diseases and insect pests 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, environmental conditions and management
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Control techniques of common insect pests in Pleurotus ostreatus
The common pests of Pleurotus ostreatus are mushroom flies, mushroom mosquitoes, mites, nematodes, jumpers and slugs. In their egg-laying culture medium, the larvae reproduce in the culture medium, which harms the mycelium and causes the culture material to rot. Adults such as night moths also eat the stalk and mycelium of Pleurotus ostreatus and spread pathogens. In addition, the whole process of cultivation and mushroom production should be prevented. Rats eating mushroom seeds, crawling bed materials or biting mushroom bags are also problems that lead to reduced production. Preventive measures: pay attention to environmental hygiene, clean inside and outside the mushroom before planting mushrooms, spray with formalin, dichlorvos or pyrethroids, or smoke with aerosol
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