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Common pest and disease control methods for oyster mushrooms
Mycelial overgrowth: When the relative humidity of the air is too high, a large amount of clumped aerial mycelium grows on the surface of the mycelium, affecting mushroom formation. The solution is to reduce humidity and increase ventilation. Rust spots: When too much water is sprayed, air humidity exceeds 95%, and ventilation is poor, brown spots can appear on both the caps and stipes; at this time, ventilation should be increased and humidity reduced. Withering: When the substrate is too dry and the air humidity is too low, mushroom buds or fruiting bodies stop growing, shrivel and dry out, and may even die or rot. Water should be replenished reasonably, relative humidity adjusted, and ventilation properly managed. Fruiting
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Detailed Guide to Identifying and Controlling the Main Diseases and Pests of Oyster Mushrooms
The most serious damage is contamination by foreign molds. Common contaminating molds include Trichoderma, green mold, yellow mold, Rhizopus, and others. The main control methods are: choose materials free of mold, compost and ferment the substrate and sterilize it, strictly disinfect the cultivation site, and promptly remove any contaminated material. Provide proper ventilation to prevent excessively high temperatures and humidity. Oyster mushroom cultivation also frequently shows physiological disorders: ① Partial death of small mushrooms: when there are too many small mushrooms, some will die, mainly from "starvation" due to insufficient nutrients; spraying water too early or excessively high humidity can also cause small mushrooms to die.
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How to reduce pests and diseases in edible mushrooms? Practical control methods shared
The main insect pests of edible mushrooms include mushroom gnats, mushroom flies, springtails, mites and nematodes, and the integrated control measures are as follows. Keep the mushroom yard clean. Before cultivation, the mushroom house should be thoroughly cleaned and evenly sprayed with an 800-fold trichlorfon or dichlorvos solution. For outdoor mushroom cultivation, clear the weeds around the cultivation site and spray the soil and the surrounding area with a 250-fold trichlorfon solution. Prevent adults from entering the room. For indoor cultivation of edible mushrooms, nail 60-mesh fine gauze over doors, windows, ventilation holes, etc., to prevent adult mushroom flies, mushroom gnats and other pests from entering the room and causing damage. Trap and kill adults
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Detailed Explanation of Methods for Preventing and Controlling Edible Mushroom Diseases and Pests
Bacterial Rust Spot Disease I. Harmful Symptoms This disease often occurs on mushroom bags or mushroom beds, with mucus on the surface and yellowing mycelium; the pathogen can produce toxins, causing spots to appear on the caps. The spots are brown, round or oval, with a dark outer edge and irregular shape; when humid, the center of the cap is grayish-white with milky-white mucus; when the air is dry, the central part is slightly sunken. Spots on the stipe are diamond-shaped or oval. II. Conditions for Onset Unsuitable climate, encountering high temperature and high humidity, with relative air humidity above 95%; poor
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Detailed Explanation of Key Points of Chemical Control Techniques for Edible Mushroom Diseases and Pests
Pests are both direct attackers of edible mushrooms and important vectors for pathogen infection, so disease prevention and pest control must be carried out simultaneously. On the basis of taking all preventive measures, appropriately selecting some high-efficiency, low-toxicity, low-residue chemical agents for control can minimize the damage caused by diseases and pests. Commonly used chemical agents are as follows: a1. Lime. The rice straw used for cultivating button mushrooms, straw mushrooms, and bottle mushrooms can be adjusted to a slightly alkaline reaction with 1%-2% lime water, which is beneficial for disease prevention and promotes mycelial growth; after harvesting mushrooms
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Detailed Explanation of Disease and Pest Control Techniques for Edible Fungi
The environmental conditions for the growth and development of edible fungi are often also suitable for the growth of various diseases and pests. In the practice of edible fungus cultivation, relying solely on chemical control cannot solve the problem; comprehensive control measures focusing on prevention must be adopted to keep diseases and pests under control before they emerge. 1. Cultivation control. Advanced cultivation measures should be adopted, scientific management should be carried out, and the requirements of edible fungi for temperature, humidity, nutrients, air, light, etc. should be met as much as possible. Within the effective cultivation period, strive for early, sufficient, and healthy mycelial growth to lay a solid foundation for early fruiting and large mushrooms.
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Detailed Explanation of Key Technical Points for Edible Mushroom Pest and Disease Control
1. Mushroom flies: The larvae, also called mushroom maggots, mainly feed on the fruiting bodies, tunneling through them and affecting quality, and the wounds they create are very easily infected by pathogens, causing rot. Different methods should be used to control mushroom flies at different stages. If a large number of mushroom maggots appear before fruiting, fumigate with dichlorvos at a rate of 0.90 kg/100 sq m, and at the same time spray each cultivation block with 0.15 kg of 1% potassium chloride or sodium chloride solution (5% salt water can be used as a substitute); if mushroom maggots cause damage after fruiting, spray low-toxicity pesticides such as derris extract, fenitrothion, and nicotine. (Nicotine can be
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How to prevent and control pests and diseases of edible fungi? A detailed explanation of integrated control techniques
Edible fungi belong to the macrofungi, and the environmental conditions required for their growth and development are also suitable for the occurrence, growth and reproduction of many pests and diseases. If the control of the ecological environment is not taken seriously, and necessary preventive measures are not taken in the early stage, contaminant microorganisms and various insect pests will occur in large numbers. In cultivation, following the integrated control policy of giving priority to agricultural control, reasonably combining biological and physical methods, and using chemical control as a remedial measure, and giving full play to the complementary advantages of various control methods, will be of very great significance for achieving high quality and high yield of various edible fungi. 1 Edible
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Non-polluting Prevention and Control Techniques and Methods for Edible Mushroom Pests and Diseases
I. Ecological Management The degree of suitability of environmental conditions is the most important inducing factor for the occurrence of edible mushroom pests and diseases. Based on the biological characteristics of the cultivated edible mushroom species, selecting the optimal cultivation environment and adopting management methods that conform to physiological characteristics during cultivation management is the most fundamental control technique for pest and disease prevention. Selecting strains with strong pest and disease resistance and stress resistance, and appropriately increasing the sowing rate, can enhance pest and disease resistance. 1. Pay attention to environmental hygiene Maintaining good environmental hygiene is one of the important means to effectively prevent and control various harmful organisms, and is also the foundation for the success of other control
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Simple Control Methods for Eight Diseases and Pests of Edible Fungi
In China, more than 20 species of edible fungi are cultivated on a relatively large scale, including the button mushroom, shiitake, oyster mushroom, snow fungus, wood ear, king stropharia, nameko, and pine mushroom. In recent years, edible fungus cultivation has achieved encouraging results, but according to growers' feedback, diseases and pests of edible fungi frequently occur, causing varying degrees of loss. Here we introduce simple control methods for eight diseases and pests. 1. Brown rot, also known as white rot or blister disease, mainly harms the fruiting bodies of straw mushroom, button mushroom, and others. If the casing soil is contaminated, spray 50% carbendazim or 70%
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