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The control technology of dead mushrooms

2017-04-08 08:38:42
Dead mushrooms refer to those appearing withered, yellow and dead, which dramatically affects the output.
1. Causes: 
A. Too high temperature in late autumn (above 23 degrees), during the fruiting period of spring, too quick temperature recovery results in withered and dead tiny mushrooms by reason of nutrient deficiency.
B. Poor ventilation in mushroom greenhouse: Insufficient Oxygen and too high concentration of Carbon Dioxide bring about difficulties on heat dissipation, eventually resulting in batches of dead tiny mushrooms.
C. Too quick growth speed on spawns after the earthing and before the fruiting.
D. The temperature which is higher than 22 degrees and the relative humidity that is above 95%.
E. Careless operation.
F. Excessive drug-spraying, leading to dead mushrooms for chemical account.
2. Control measures:
A. Arrange the inoculation time in accordance with local climate condition and avoid the fruiting in high-temperature season.
B. Look out the cooling of mushroom house and prevent high-temperature assault.
C. During the earthing and water-adjustment period, lower the fruiting venue and avoid too-dense fruiting.
D. When you spray water in high-temperature phase, you could prick holes with bamboo stick on bed of material so as to prevent water accumulation.
E. Enhance the ventilation, when you deal with diseases and pests, completely eradicate excessive dosage and strictly eliminate chemical drugs during the fruiting period.
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