期刊论文

中文

农药

1006-0413

2023

62

3

213-216

10.16820/j.nyzz.2023.2008

2016YFD0300700:国家重点研发计划 2014ZX0800102B:中央财政专项 201203014:公益性行业(农业)研专项 0904:湖南省十二五重点学科

本校为第一机构

[目的]旨在揭示蜡样芽孢杆菌菌株YN917防治水稻稻瘟病的生防机制。[方法]通过孢子萌发试验、光学显微镜观察、碱性磷酸酶活性分析，研究菌株YN917对稻瘟病菌的拮抗机制。[结果]显微镜观察显示：菌株YN917对水稻稻瘟病菌孢子的萌发及菌丝生长具有显著的抑制作用，经处理12 h稻瘟病菌孢子萌发率下降66.0%；盆栽试验结果表明：菌株YN917发酵液处理组的水稻稻瘟病发病症状明显减轻，病情指数平均下降39.68，防治效果达65.61%～68.51%。[结论]蜡样芽孢杆菌菌株YN917对水稻稻瘟病具有较好的抑制作用且生防潜力较大。

[Aims]This study aims to explore the biocontrol mechanism of Bacillus cereus YN917 to control rice blast.[Methods]The antagonistic mechanism of strain YN917 against M.oryzae was investigated by spore germination test,optical microscope observation and alkaline phosphata...MORE [Aims]This study aims to explore the biocontrol mechanism of Bacillus cereus YN917 to control rice blast.[Methods]The antagonistic mechanism of strain YN917 against M.oryzae was investigated by spore germination test,optical microscope observation and alkaline phosphatase activity analysis.[Results]The microscope observa...