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The control measures of green mold in the cultivation of Shiitake

2016-08-15 15:14:48

1. Symptom and cause of disease: in initial harm period, it present white, in later harm period, it presents bottle green. The center of colony presents bottle green and gradually become shallow outwards. In serious conditions, fungus sacks and substrate will totally become black green, watery and smelly. The main cause of disease is halfway sterilization in substrate, operator fails to conduct sterilize operation when inoculation. Incompact fungus sack, poor ventilation for a long time and too high relative air humidity. Green mold is easy to happen in the temperature range of 15 to 30 degrees and the environment of meta acid.
2. Control methods: 
A. Sterilization of compost should be thorough. The prewet of compost should be even.
B. It is proper to strictly conduct aseptic technique When inoculating, .
C. Excessive dosage of formaldehyde and other acid disinfectants should be avoided to prevent acid environment.
D. When finding green mold on the surface of fungus sack, people could use the mixture of 75% of ethyl alcohol and 2% of formaldehyde to inject on infected part.
E. When finding green mold in fungus tubes after removing fungus sacks, people could use 0.2% of Carbendazim or lime slurry to smear on infected part.
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