(i) Sanitation and hygiene;
- Clean and disinfect mushroom houses thoroughly before cultivation.
- Remove any waste, weed, mushroom debris and water containers inside and outside the mushroom houses that attract flies or on which flies can live.
- Exclude flies by use of mesh apertures not greater than 0.5-0.6mm on all inlets. Keep doors closed, particularly during spawning and mycelium growth phase.
- Maintain insect free environment by burning mosquito coils
(ii) Chemical control- use of chemicals is rare;
(iii) Abnormalities in Fruiting Body;
Maintain required environmental conditions e.g. temperature, relative humidity, Co2 concentration and moisture content in the mushroom substrate.
Effects of high temperature and humidity;
Cap: stype ratio is small than normal
Cap Colour becomes lighter (grayish brownish) and depression in the center.