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Management of Green Mold Disease in White Button Mushroom (Agaricus bisporus) and Its Yield Improvement

Summary

Green mold is a serious problem for farmers growing white button mushrooms, often destroying entire crops. This research tested various fungicide treatments to find the most effective ways to control the mold while keeping the mushrooms healthy and productive. The study found that certain chemicals like captan and carbendazim work best at specific concentrations, allowing farmers to get better harvests while protecting their crops.

Background

Green mold disease caused by Trichoderma harzianum is a major threat to white button mushroom cultivation worldwide, causing production losses of 63-65% in mushroom farming. Despite being a well-known pathogen, limited information about its management exists in India, particularly in the Kashmir region where agro-climatic conditions are favorable for mushroom cultivation.

Objective

To evaluate new generation fungicides and devise suitable management strategies against green mold disease in white button mushroom (Agaricus bisporus) under prevailing agro-climatic conditions of the Kashmir region.

Results

Among non-systemic fungicides, prochloraz manganese (93.40% inhibition) and chlorothalonil (76.87% inhibition) were most effective against the pathogen with minimal effect on host. In vivo, captan 50 WP at 0.2% produced maximum yield of 14.96 kg/quintal. For systemic fungicides, carbendazim showed highest pathogen inhibition (89.22%) with least host inhibition (1.56%), and carbendazim or thiophanate methyl at 0.1% achieved 80.11-87.66% disease control.

Conclusion

Both non-systemic fungicides (prochloraz manganese, chlorothalonil at optimal concentrations) and systemic fungicides (carbendazim, thiophanate methyl at 0.1% concentration) effectively controlled green mold disease while maintaining acceptable mushroom yields. Captan 50 WP and myclobutanil produced the highest button mushroom yields of 14.96 and 12.87 kg/quintal respectively.
  • Published in:Journal of Fungi,
  • Study Type:Experimental Study,
  • Source: 10.3390/jof8060554, 35736038
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