What diseases need to be prevented and controlled in white fungus (Tremella fuciformis) cultivation?
What diseases need to be prevented and controlled in white fungus cultivation? Please give an introduction. The diseases that need to be prevented and controlled in white fungus cultivation are: 1. Powdery mildew, also called white rot, the pathogen is Acremonium. Control methods: strengthen ventilation and reduce humidity in the mushroom house; when young fungi appear, spray lime-sulfur mixture, and harvest early, scrape off with a sharp knife including the roots, the fungus base can be smeared with...
What diseases need to be prevented and controlled in white fungus cultivation? Please give an introduction
The diseases that need to be prevented and controlled in white fungus cultivation are:
1. Powdery mildew also called white rot, the pathogen is Acremonium. Control methods: strengthen ventilation and reduce humidity in the mushroom house; when young fungi appear, spray lime-sulfur mixture, and harvest early, scrape off with a sharp knife including the roots, the fungus base can be smeared with 4% carbolic acid solution, and fumigated with 50% mildew preservative powder in the evening.
2. Shrinking disease the pathogen is Fusarium solani. Control methods: sun-dry the raw materials, the water content of the mixture should not be too high at 60%; before uncovering the cloth at the hole openings, spray with 50% dichlorvos emulsifiable concentrate diluted 1000 times for sterilization; after cutting the film and expanding the holes, the space humidity should not exceed 80%; when it occurs at the young fungus stage, spray lime supernatant at pH 8; at the mature fungus stage, harvest early, and soak and wash with 5% lime water before processing and drying.
3. Black base Control methods: keep the spawn-running culture preferably not exceeding 28°C, open the holes and cut the film to expand the holes at the right time to increase oxygen, and promote normal metabolism of the mycelium; at the young fungus stage, spraying water should be less and frequent, not excessive, to prevent water accumulation beside the fungus base: at the same time, pay attention to ventilation and air exchange.
4. Rotten fungus Control methods: prevent the culture medium from turning acidic, pay attention to heat dissipation after sterilizing the bags, and prevent excessive temperature during spawn-running culture. At the long fungus stage, control the temperature at 23-25°C, ventilate in time, spray an appropriate amount of water, and keep the relative humidity of the space between 85-95%. If rotten fungus is found at the young fungus stage, remove it and dig out the base in time, wipe with lime water, then spray with 100% thiophanate-methyl 1000 solution for control; if the mature fungus rots, harvest early, and smear with 25% thiram diluted 1500 times to control the spread of the pathogen.
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