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What are the control methods for mushroom mycelium shrinkage?
In mushroom cultivation, it is common to encounter mycelium that does not colonize the substrate after germination, turns yellow and shrinks, seriously affecting the development of mushroom production. The causes and control methods are described below: 1. High-temperature burning of the mycelium. The sowing period has high temperatures, the compost is too thick, and the substrate temperature does not steadily drop after fermentation, so the temperature inside the compost rises above 30°C. Control methods. The sowing period for mushrooms should avoid the high-temperature period; at sowing time the substrate temperature should be stable below 25°C. If mycelium is found to have shrunk due to high temperature after sowing, the pile should be turned again for ventilation, and then
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What are the control methods for mushroom slugs?
Morphological characteristics The wild slug (Deroceras agreste) has a soft body without a shell, dark gray, yellowish white or grayish red in color, and secretes colorless mucus; when extended, its body length is 30-40 mm and width 4-6 mm. The two-lined mucous slug (Philomycus bilineatus) is soft and shell-less, grayish white or pale yellowish brown, secretes milky white mucus, and when extended measures 35-37 mm in length and 6-7 mm in width. The yellow slug (Limax flavus) is soft and shell-less, dark orange or yellowish brown, secretes pale yellow mucus, and when extended reaches 120 mm in length and 12 mm in width. Occurrence pattern and living habits
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What are the control methods for mushroom wet bubble disease?
(1) Before planting, spray and disinfect the mushroom house and mushroom racks with a 5% bleaching powder aqueous solution or a 5% formaldehyde solution. (2) Disinfect the casing soil. The casing soil should be taken from deep soil below 30 cm; never take topsoil, and even more so, do not take soil from fields where mushroom waste has been dumped. After the casing soil is prepared, it should be sun-dried thoroughly, and at the same time disinfected with chemicals. The specific method: use 1.5 g of Cimeijing per square meter, mix it evenly with the soil, and then apply it as casing soil. In areas with severe disease, the dosage may be appropriately increased. For the second application, after the second flush of mushrooms is harvested, spray a 700
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Mushroom fly control methods and key technical points
The larvae of various flies, commonly known as maggots, are very harmful to mushrooms, not only feeding on mushroom mycelium but also spreading diseases. Mushroom flies mainly breed in manure and are brought into the mushroom house through the compost. After fruiting, maggots of various colors are often found gathering at the junction of the cap and the stipe, or boring into the interior of the stipe, seriously affecting the quality and yield of the mushrooms. Control measures: 1. During the composting period, 0.5% dichlorvos should be sprayed frequently around the compost pile; 2. Dichlorvos should also be sprayed regularly around the mushroom house, and environmental
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Mushroom Summer Disease Prevention and Control Methods and Technical Key Points
In summer, temperatures are high, humidity is high, and the base level of contaminating microorganisms is high. In view of these characteristics, effective prevention and control measures should be taken to ensure smooth production. I. Disease prevention measures during the cultivation and mycelial running stage. Due to the influence of high humidity, the success rate of cultivation and mycelial running is greatly reduced, mainly manifested as slow mycelial running, weak hyphae, and a high contamination rate. Main measures: 1. Virus-free spawn and formulated substrate: Virus-free spawn can ensure that it does not itself carry viruses or pathogens and effectively improve resistance; this is the foundation of production. Research has shown that for every 250 kg of cottonseed hull raw material
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Harm and Control Methods of the Licorice Seed Chalcid
Adults lay eggs on the seed coat of green fruits; after the larvae hatch, they immediately bore into and feed on the seeds, and pupate inside the seeds. After the adults emerge, they bite through the seed coat and escape. The infested seeds are eaten out into empty shells, and small round emergence holes are left on the seed coat and pods. This pest has a great impact on yield. Control methods: ① In winter, clear away residual leaves to reduce the source of the pest. ② Before sowing, the seeds must be treated, either by removing the insects or by dressing the seeds with carbaryl powder. ③ During the occurrence period, especially the green fruit stage, spray with pesticide.
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Frost damage prevention and control methods and key technical points for Schisandra chinensis
1. Disease symptoms Frost damage of varying severity occurs every year in the Schisandra chinensis production areas of Northeast China. In mild cases, the branches and shoot tips are frozen; in severe cases, the entire plant dies. Affected leaves initially show irregular small spots, which over time merge together and develop into mottled, uneven large patches; the leaves fade, and the leaf margins dry up. In the later stages of the disease, the young tender shoots suffer severe water loss and wilting, the tissues dry out and become necrotic, the leaves dry up and fall off, and the tree vigor declines. The first factor is the influence of temperature: after Schisandra chinensis buds break in spring, the nighttime temperature sometimes drops sharply, and water vapor condenses
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How to prevent and control soybean phytophthora root rot? Detailed explanation of occurrence patterns and control methods
After soybean phytophthora root rot was introduced into our prefecture with the transfer of soybean seeds in July 2005, our station immediately established a soybean phytophthora root rot monitoring leading group and dispatched professional and technical personnel to carry out field monitoring work in Gongliu County. 1. Disease investigation In 2005, the affected area was 2239 hectares, and in 2006 the affected area was 2858 hectares. 1. Disease situation in Xinyuan County The soybean planting area was 0.67 million hectares, the investigated area was 0.3 million hectares, and the affected area was 0.23 million hectares, of which the sporadic occurrence area was 0.2
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Control Methods for Soybean Bacterial Blight
Symptoms: It damages seedlings, leaves, petioles, stems and pods. When seedlings are infected, the cotyledons develop semicircular or nearly circular brown spots. When leaves are infected, irregular chlorotic small spots initially appear, water-soaked, and after expanding they become polygonal or irregular in shape, about 3-4mm in size, with the center of the lesion dark brown to blackish brown, surrounded by a narrow chlorotic halo ring, and after the lesions merge they form dead necrotic patches. When the stem is infected, it initially presents as dark brown water-soaked elongated strips, which after expanding become irregular and slightly sunken. When pods and seeds are infected, dark brown streaks
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How to control dodder in soybean? Detailed control methods
Soybean dodder is a malignant parasitic weed, mainly parasitizing crops or weeds in the Fabaceae, Chenopodiaceae and Asteraceae families, and it also harms peanuts, alfalfa and potatoes.1
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