The Control Effect of Actinomycete Strain KN37 against Tomato Gray Mold

SHAO Shengnan; ZHANG Anqi; BAERNA Kumaer; ZHANG Guoqiang

doi:10.15886/j.cnki.rdswxb.2019.03.009

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In order to clarify the control effect of the fermentation product of actinomycete strain KN37 on plant diseases, we determined the antimicrobial spectrum of its broth in vitro and in vivo, and identified KN37 strain at a molecular level. The results showed that KN37 strain had a high inhibitory effect on mycelial growth and spore germination of Botrytis cinerea. This strain also showed high inhibition activities on Pseudomonas syringae, Alternaria solani and Botrytis cinereal, with their inhibition rate being higher than 90% The strain KN37 had a high control effect on tomato gray mold in vivo, and, therefore, has a potential of research and development in the field of microbial pesticides.

The Control Effect of Actinomycete Strain KN37 against Tomato Gray Mold

College of Agriculture/Key Laboratory of Oasis Agricultural Pest Management and Plant Protection Resources Utilization, Shihezi University, Shihezi, Xinjiang 832003, China

Received Date: 2019-06-25

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Abstract: In order to clarify the control effect of the fermentation product of actinomycete strain KN37 on plant diseases, we determined the antimicrobial spectrum of its broth in vitro and in vivo, and identified KN37 strain at a molecular level. The results showed that KN37 strain had a high inhibitory effect on mycelial growth and spore germination of Botrytis cinerea. This strain also showed high inhibition activities on Pseudomonas syringae, Alternaria solani and Botrytis cinereal, with their inhibition rate being higher than 90% The strain KN37 had a high control effect on tomato gray mold in vivo, and, therefore, has a potential of research and development in the field of microbial pesticides.

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The Control Effect of Actinomycete Strain KN37 against Tomato Gray Mold

doi: 10.15886/j.cnki.rdswxb.2019.03.009

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通讯作者: 陈斌, bchen63@163.com

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