Impact of a native Streptomyces flavovirens from mushroom compost on green mold control and yield of Agaricus bisporus

Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
Ljiljana ŠantrićSvetlana Milijašević-Marčić

Abstract

Thirty-five actinobacterial isolates, obtained from button mushroom (Agaricus bisporus) substrates (i.e., compost in different phases of composting, black peat or casing layer) in Serbia in 2014-2016 were tested in vitro against the causal agents of green mold in cultivated mushroom. Out of six most promising isolates, A06 induced 42.4% in vitro growth inhibition of Trichoderma harzianum T54, and 27.6% inhibition of T. aggressivum f. europaeum T77. The novel strain A06 was identified as Streptomyces flavovirens based on macroscopic and cultural characteristics and 16S rDNA sequence and used in mushroom growing room experiments. Actinobacteria had no negative influence on mycelial growth of the cultivated mushroom in compost in situ. Isolate S. flavovirens A06 enhanced mushroom yield significantly, up to 31.5%. The A06 isolate was more efficient in enhancing yield after inoculation with the compost mold T. aggressivum (26.1%), compared to casing mold T. harzianum (8%). Considering disease incidence, actinobacteria significantly prevented green mold in compost caused by T. aggressivum (6.8%). However, fungicide prochloraz-Mn had a more significant role in reducing symptoms of casing mold, T. harzianum, in comparison with actinoba...Continue Reading

References

May 1, 1973·Japanese Journal of Microbiology·M D García-LópezJ R Villanueva
Nov 19, 2003·Pest Management Science·Helen M Grogan, Andrew A Jukes
Mar 2, 2012·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Biljana TodorovićMilan Cekerevac
Jun 13, 2015·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Dejana KosanovićBiljana Todorović
Aug 6, 2016·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Biljana TodorovićSvetlana Milijašević-Marčić

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Citations

Jul 31, 2019·Environmental Microbiology·Jaime Carrasco, Gail M Preston

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Methods Mentioned

BETA
scraping
PCR
electrophoresis

Software Mentioned

Statistica
Staden
Pregap4
Stat

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