The activity of native Bacillus subtilis strains in control of green mould disease of oyster mushroom (Pleurotus spp.)

I. Potocnik, S. Milijasevic-Marcic, Olja Stanojevic, T. Berić, S. Stanković, L. Kredics, L. Hatvani
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引用次数: 1

Abstract

The study aimed to isolate potential biocontrol agents from mushroom substrate that could serve as an alternative to toxic chemicals commonly used for disease control in mushroom production. The antagonistic potential of ten native Bacillus subtilis strains against the causal agents of green mould disease of oyster mushroom, Trichoderma pleuroti and Trichoderma pleuroticola, was evaluated. The antagonistic potential of Bacillus spp. strains was quantified in vitro based on dual cultivation with the pathogen. Growth inhibition of T. pleuroti ranged from 54.44% to 62.22% and no significant differences in antagonistic activity were found between the tested B. subtilis strains. Inhibition of T. pleuroticola was slightly higher, ranging from 55.56% to 69.62% and B. subtilis strain B-358 induced the highest growth inhibition. This research confirmed mushroom substrate to be a good source of antagonistic microorganisms with potentials for use in biological control of green mould in oyster mushroom production.
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天然枯草芽孢杆菌菌株对平菇绿色霉菌病的防治作用
该研究旨在从蘑菇底物中分离出潜在的生物防治剂,作为蘑菇生产中常用的用于疾病防治的有毒化学物质的替代品。研究了10株枯草芽孢杆菌对平菇绿霉病病原、胸膜木霉和胸膜木霉的拮抗作用。通过与病原菌的双重培养,定量了芽孢杆菌菌株的体外拮抗潜能。枯草芽孢杆菌对胸膜菌生长的抑制作用在54.44% ~ 62.22%之间,不同菌株间的拮抗活性差异不显著。胸膜菌的抑菌率为55.56% ~ 69.62%,枯草芽孢杆菌B-358对胸膜菌的抑菌率最高。本研究证实了香菇基质是一种很好的拮抗微生物来源,在平菇生产中具有生物防治绿霉病的潜力。
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