NDLI: Selection and Characterization of a Bacillus Strain for Potential Application in Industrial Production of White Button Mushroom (Agaricus bisporus)

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Selection and Characterization of a Bacillus Strain for Potential Application in Industrial Production of White Button Mushroom (Agaricus bisporus)

Content Provider	MDPI
Author	Rita, Büchner Judit, Bajzát Csaba, Csutorás Csaba, Vágvölgyi Vörös, Mónika Allaga, Henrietta Varga, András Bartal, Attila Szekeres, András Varga, Sarolta Bakos-Barczi, Nóra Misz, András Hatvani, Lóránt Kredics, László
Copyright Year	2022
Description	White button mushroom—Agaricus bisporus (J.E.Lange) Imbach—is among the most popular cultivated mushrooms worldwide. The most serious challenge in industrial mushroom production is the green mold disease caused by Trichoderma species. Our aim was to isolate and examine bacterial strains from mushroom casing material for their potential use as biocontrol agents. Twenty-seven bacterial strains were isolated and tested against mold pathogens of white button mushroom. The Bacillus velezensis strain SZMC 25431 was selected for further examination and tested under simulated Agaricus cultivation conditions against T. aggressivum SZMC 23834 in a 1200-L Fitotron SGC120 standard plant growth chamber. Our results showed that the bacterial treatment was effective against the pathogen in all cases, but the best results were achieved at an application concentration of $10^{5}$ cells $mL^{−1}$. Industrial-scale experiments were also carried out in Agaricus growing houses with a bearing surface of 480 $m^{2}$: the bacterial suspension was mixed in water tanks applied for daily irrigation. The results suggest that the bacterial treatment may even increase the crop yield of A. bisporus. Based on our results, we concluded that the selected B. velezensis strain may potentially be used for biological and integrated treatment in Agaricus cultivation.
Starting Page	467
e-ISSN	20734395
DOI	10.3390/agronomy12020467
Journal	Agronomy
Issue Number	2
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2022-02-13
Access Restriction	Open
Subject Keyword	Agronomy Microbiology Agaricus Bisporus Bacillus Velezensis Biocontrol Green Mold Trichoderma Aggressivum
Content Type	Text
Resource Type	Article

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