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How should Neurospora disease in lingzhi (reishi) be prevented and controlled?
The scientific name of Neurospora is Neurosporasitophila Sh. et Dodge; it is also called red bread mold (Neurospora sitophila) or red bread mold, bread mold, Neurospora, and Monilia. It belongs to the subdivision Ascomycotina, order Sordariales, genus Neurospora. It is a contaminant fungus that poses a very great threat in the production of lingzhi edible mushroom spawn. It spreads relatively quickly. Symptoms: after the mother spawn is infected, flesh-red to red conidial masses form on the outside of the cotton plug, surrounding the entire bottle mouth, and at the slightest touch there is a phenomenon of powder scattering and spreading.
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Identification and Control Methods of Mucor Disease in Lingzhi (Reishi Mushroom)
Mucor mucedo (L.) Brefeld belongs to the subphylum Zygomycotina, order Mucorales, genus Mucor. It can infect edible fungi such as lingzhi (reishi mushroom), silver ear fungus, and oyster mushroom, and is a common contaminating fungus in mushroom cultures. It grows rapidly and occurs commonly. In severe cases, it can cause the entire culture to be discarded. Symptoms: Mucor can secrete organic acids and toxins that inhibit the growth of lingzhi mycelium. After the substrate is affected, the mycelium appears grayish-white and relatively thick, and grows rapidly. In the later stage, many yellow-white round small granules form at the tips of the aerial mycelium, which gradually turn black.
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Be on strict guard against physiological diseases in edible mushroom cultivation
Wild mushroom: caused by high nitrogen, high moisture and high temperature in the substrate. Control methods: reduce the nitrogen content of the substrate and raise the pH value of the substrate to 8-9. Green mold: caused by a too low pH value, poor ventilation of the substrate bags, and excessive bag temperature leading to a stuffy stack. Control methods: raise the pH value to 8-9, strengthen microporous aeration to promote mycelial growth, and prevent stuffy stacks from high humidity. Dead mushrooms: shortly after pinning, large numbers of small mushroom pins sometimes shrink, turn yellow and even die. This is mainly because the temperature of the substrate bags in the mushroom stack is too high and the heat from mycelial metabolism cannot
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How to Eliminate Diseases in Autumn and Winter Edible Mushroom Cultivation? Detailed Explanation of Prevention and Control Measures
1. Prevention and Control Measures at the Spawn Stage. Excessively high humidity conditions are extremely unfavorable to spawn production. First, when the cotton plug of first-level spawn becomes damp, the moisture from the sterilization stage cannot evaporate, and it continues to absorb water through respiration; the dampened cotton plug is highly susceptible to contamination by foreign fungi. Second, the respiratory metabolism of second-level spawn is insufficient, seriously affecting mycelial vigor; the surface characteristic is that the entire spawn bottle appears misty, as if washed with water, and the mycelium is thin and weak. Third, the tied opening of third-level spawn is directly connected to the outside air, manifesting as fine mycelium, slow growth, and a wet, heavy feeling when the spawn bag is grasped by hand.
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What are the control methods for the 4 types of edible mushroom diseases?
1. Brown rot. Also known as bubble disease and wet bubble disease. It mainly harms button mushrooms, straw mushrooms, oyster mushrooms, etc. The disease is caused by the pathogen Mycogone perniciosa. Main characteristics: the conidia and chlamydospores of Mycogone perniciosa only infect the fruiting body, not the mycelium. When the fruiting body is lightly infected, the stipe swells into a bubble-like deformity, hence the name wet bubble disease. However, at different stages of fruiting body development, the symptoms also differ. If infection occurs before the fruiting body differentiates, there is an irregular mass of tissue resembling a hard-skinned puffball, covered with white cottony mycelium, which gradually turns dark
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How to prevent and control pests and diseases of oleander? A detailed guide to practical methods
1. After aphids are found, spray the plants with a 40% dichlorvos emulsion at 800 times dilution, or with water in which cigarette butts have been soaked; when there are only a few, they can also be brushed off. For other control methods, refer to the pest and disease control section for Chinese rose and scarlet sage. 2. Scale insects damage the branches and leaves. Control method: spray the plants with Jiesha at 2000 times dilution. For other control methods, refer to pest and disease control for crape myrtle. 3. Black spot disease This disease occurs easily under high temperature and high humidity and damages the leaves. After it appears, spray with 50% carbendazim at 500 times dilution or thiophanate-methyl at 600 times dilution. For other control methods
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Comprehensive Control Methods for Damping-Off Disease in Spruce Seedlings Grown in Greenhouse Tunnels
In high-cold mountain areas, greenhouse tunnel seedling cultivation is usually adopted to shorten the cultivation period of spruce seedlings and enable earlier out-planting. The special environment of the greenhouse tunnel creates conditions for the breeding and spread of various pathogenic bacteria and organisms that cause damping-off in newly sown spruce seedlings, and improper control can lead to failure of seedling cultivation. To control damping-off in newly sown spruce seedlings in greenhouse tunnels, the policy of "prevention first, comprehensive control" must be adhered to. 1 Damping-off symptoms The symptoms of damping-off mainly manifest in 4 types: (1) After sowing but before emergence, seeds and ungerminated sprouts rot and die in the soil,
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Control Methods for Several Diseases of Phalaenopsis
Anthracnose is severe under high temperature and high humidity, forming brown-black round spots that gradually expand outward. Spray evenly with Previcur 800 times solution, once every 5 days, for 2 to 3 consecutive sprays, to bring the disease under control. Soft rot symptoms are rot at the leaf base, rot of the pseudobulb, with a musty bacterial odor. Control method: spray agricultural streptomycin sulfate 4000 to 5000 times solution at the early stage of disease, once every 7 days, for a total of 2 to 3 sprays. Sclerotinia disease symptoms first appear at the leaf base, with light brown, water-soaked lesions that rot and can spread to the whole
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Fox and raccoon dog mange mite disease is prone to occur in autumn and winter, and farmers need to prevent and treat it early
In the current season, the breeding of fur animals is entering the fur growth period. In addition to meeting the various nutrients required for fur growth, special attention should be paid to the occurrence of external parasitic diseases. Zhaoyuan Farm has 100,000 foxes and raccoon dogs on hand and has rich experience in the prevention and treatment of mange mite disease. The precautions are introduced as follows: Pay attention to observation. Skin diseases such as mange mite disease cause great harm to fur animal breeding. It should attract sufficient attention from the majority of breeding farms and farmers, especially in the current winter fur growth season. Inspection and prevention and treatment of mange is a task that farmers cannot ignore before pelting.
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Prevention and Treatment Methods and Technical Points for Abscess Disease in Snakes
Abscess disease in snakes is caused by infection of wounds on the snake's body. After a snake contracts abscess disease, the wound area swells and becomes ulcerated. When the abscess and ulceration expand to a certain degree, or when the abscess or ulceration prevents the snake from shedding its skin, it can also cause the death of the snake. Abscess disease in snakes is often caused by wounds on the snake's body, such as wounds that appear from snakes biting and fighting each other; injuries and abrasions from snake cages during the transportation of snakes; possible wounds caused when removing snake mites from the snake's body, and so on. If these wounds are not treated in time, they
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