Control Effect of Bacillus cereus CGMCC4348 against Botrytis cinerea and Its Mechanism

• 作者: Hu Yonghong Liang Mengmeng Liu Youzhou Tang Rongrong Yang Wenge Yin Jingjing Zhang Yong
• 来源期刊: Plant Diseases and Pests(植物病虫害研究：英文版)
• 学科: 农学
• 关键词: 蜡样芽胞杆菌 控制效果 灰霉病 机理 蜡状芽孢杆菌 抗真菌活性 生物测定 盆栽试验
• 年，卷（期）: 2013,（5）
• 页码范围: 12-15
• 页数: 4页
• 分类号: S436.412.1

摘要

[Objective]The paper was to study antifungal activity and control mechanism of Bacillus cereus CGMCC4348 against Botrytis cinerea,and further find new methods against the disease.[Method]By quantitative bioassay,in vitro experiment and pot test,the antagonistic protein was extracted with ammonium sulfate precipitation fractionation to determine the control efficiency.EC50of B.cereus CGMCC4348 was 6.19 mg/L.Average controlling effect of B.cereus CGMCC4348 on B.cinerea was 75.8%,equal to the control group which was treated by 50 mg/L pyrimethanil.Bacillus cereus CGMCC4348 had good inhibitory effect against B.cinerea.[Conclusion]The paper provides scientific basis for green control technology against solanaceous vegetable diseases.