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Common Pest and Disease Control Methods for Greenhouse Mushrooms
The main diseases of mushrooms in greenhouses are: (1) "white rot," also known as brown rot or Mycogone perniciosa disease, which is the most common and most damaging fungal disease among greenhouse mushroom diseases. (2) "ink cap seedlings," also known as wild mushrooms. The main insect pests are mushroom flies, mosquitoes, nematodes, mites, etc. How can these pests and diseases be controlled? Through several years of practice, we have summarized the following experiences for everyone's reference: 1. White rot. Completely eliminating this fungus is not very easy. But we can start from the word "prevention," that is,
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What are the control methods for mushroom damping-off disease?
Mushroom damping-off disease, also known as wilt disease, is caused by infection with Fusarium oxysporum and Fusarium solani f. sp. phaseoli. It is mainly spread through contaminated soil. The fungus has a strong saprophytic ability and can survive for a long time in soil and diseased plant debris. This disease mainly attacks the mushroom stipe; after infection, the pith of the stipe shrinks and turns brown. Early-infected diseased mushrooms show no difference in appearance from healthy ones, except that the fruiting body becomes shorter and smaller, the cap is darker in color, and the fruiting body stops growing and gradually becomes a "rigid mushroom." In addition, after the fruiting body is infected, the pathogen secretes toxins that destroy mycelial growth or cause small primordia to die, thereby affecting the next flush of mushrooms, which either fails to grow or dies. Pink mold patches can be seen on the surface of the growing medium.
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What are the control methods for mushroom soft rot?
Soft rot is also called wet disease and Dactylium disease. The disease is caused by infection with Dactylium fungi. It is mostly spread through airflow and splashed water droplets, and spores contaminating the casing soil can also cause the disease. Casing soil that is too wet and temperatures that are too low also make this disease more likely to occur. Dactylium fungi mostly occur on the surface of the mushroom bed. White cottony (also called cobweb-like) mycelium first appears on the mushroom bed. If it is not dealt with in time, the mycelium spreads rapidly and completely surrounds the small mushroom buds. At first only a clump of white mycelium is seen, and later it turns water-red. After the fruiting bodies are infected, the mushrooms become soft, collapse
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What are the control methods for mushroom rust spot disease?
Mushroom rust spot disease, also called brown spot disease or bacterial blotch, is caused by Pseudomonas tolaasii, an acidophilic species of the genus Pseudomonas. It spreads through insects, tools, the hands of workers and other carriers. The disease is severe when the casing soil of the mushroom bed has a pH below 5.5, when ventilation is poor, when humidity is too high, and when the mushroom caps remain constantly moist and sticky after watering. Its symptoms are: it generally infects only the epidermal layer of the mushroom cap, causing spots of varying size that are initially yellowish-brown and rust-like in appearance, which later gradually turn brown or black, and sometimes scars with mucus also appear on the caps.
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What are the control methods for mushroom droplet disease?
Droplet disease is caused by infection with rod-shaped bacteria. Its symptoms are colorless or yellowish-gray droplets of varying sizes produced on the mushroom bodies. Brown or yellow, sometimes green, small spots appear on the caps. This disease was first discovered in France, is rare in the United States and Japan, and has not yet been reported in China. Control measures: keep the inside and outside of the mushroom house clean and hygienic, strengthen ventilation and air exchange, and do not make the mushroom house too humid.
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Prevention and Control Methods for Contaminant Fungi in Mushroom Cultivation
The main contaminant fungi in mushroom cultivation are mainly Trichoderma viride, Aspergillus, etc., and are among the most common contaminant fungi in spawn production and cooked-substrate production. This type of mold prefers high-temperature, humid environments; for example, Trichoderma spores can survive long-term in soil and organic materials or in cracks in the walls of the growing shed, and spread through air, casing soil materials, tools, etc. 1. Preventive measures are: use Baibing Quwuzong to thoroughly disinfect and kill the mushroom shed; during the spawn-running and fruiting periods, spray a fungicidal agent about once every 5 days; in production, Baibing Quwuzong and Mushroom Bing-ling can be used alternately. 2.
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How to control mushroom fungus gnats? Detailed control methods
There are many species of maggot-like larvae that damage mushroom fruiting bodies and mycelium, collectively known as "fungus gnats." There are 4 more common species, namely mushroom gnats, gall midges, mushroom flies, and dung flies. Their larvae - maggots - look similar in morphology to the naked eye, and among the adults only gnats and flies show obvious differences. The morphology and even living habits of gall midges, mushroom flies, and dung flies are very similar, so they are often mistaken for a single species, all called "mushroom flies." Fungus gnat larvae bore into and feed on fruiting bodies, turning mushrooms into waste products, and some harm the mycelium. Mushrooms that have been bored and fed on by fungus gnats
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How to control mushroom size? Here are the key methods
In the sale of button mushrooms, buyers are very strict about the requirements for fresh mushrooms (requiring a diameter of 2-4 cm), which directly affects the production efficiency of mushroom growers. The techniques for how to control mushroom size are introduced below. 1. Replace the strain. The mushroom variety now commonly used is the "As2796" strain, which is a large-sized hybrid. Its main advantages are wide adaptability, strong stress resistance, large size, and high yield, making it suitable for fresh market sales, but relatively few meet the buyers' purchasing specifications. If there is a supply order, promptly
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What to Do About Slug Moth Caterpillars Harming Cherry Blossoms? A Detailed Guide to Prevention and Control Methods
What harm do slug moth caterpillars do to cherry blossoms? How can they be controlled? Slug moth caterpillars mainly cause damage by their larvae chewing on cherry blossom leaves. Newly hatched larvae gather in groups to gnaw the leaf flesh, leaving the epidermis behind; after growing larger they disperse and cause damage, and in severe cases they can eat all the leaves on an entire branch. There are many species of slug moths that harm cherry blossoms, including the brown-edged green slug moth, the Chinese green slug moth, the camphor slug moth, and the small black slug moth. Adult slug moths are mostly densely covered with scales and hairs, generally yellow-brown to green, with simple red or brown markings. Their larvae are commonly known as stinging caterpillars, with branched spines and venomous hairs on their bodies that can irritate
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How to deal with root nodule disease in cherry blossoms? Detailed explanation of prevention and control methods
Last spring, when planting cherry blossom seedlings, the author found that the roots of some plants had nodular growths. Their symptoms were varied in shape and size, brown to dark brown in color, with rough surfaces, and some showed cracked patterns. The affected areas were on the ground or near the root crown at ground level, and at the graft union between the rootstock and the scion. Affected plants showed poor growth and stunting. After identification and diagnosis, the author believes this is root nodule cancer disease, and the seedlings should be treated before planting. The methods are: 1. For suspicious seedlings, soak the roots in a 1% copper sulfate solution for 5 minutes,
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