苦瓜白粉病的生物防治及病程代谢物质含量变化
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  • 英文篇名:Studies on Biological Control and Changes of Metabolic Substances Content in Pathogenic Process of Bitter Gourd Powdery Mildew
  • 作者:周游 ; 汪军 ; 杨腊英 ; 郭立佳 ; 梁昌聪 ; 刘磊 ; 黄俊生
  • 英文作者:ZHOU You;WANG Jun;YANG La-ying;GUO Li-jia;LIANG Chang-cong;LIU Lei;HUANG Jun-sheng;Environment and Plant Protection Institute,Chinese Academy of Tropical Agricultural Sciences,Key Laboratory of Pests Comprehensive Governance for Tropical Crops,Ministry of Agriculture and Rural Affairs;
  • 关键词:枯草芽孢杆菌 ; 苦瓜白粉病 ; 有机酸 ; 氨基酸 ; 糖类物质
  • 英文关键词:Bacillus subtilis;;Bitter gourd powdery mildew;;Organic acid;;Amino acid;;Saccharide
  • 中文刊名:ZGSC
  • 英文刊名:China Vegetables
  • 机构:中国热带农业科学院环境与植物保护研究所农业农村部热带作物有害生物综合治理重点实验室;
  • 出版日期:2019-06-01
  • 出版单位:中国蔬菜
  • 年:2019
  • 期:No.364
  • 基金:国家重点研发计划项目(2017YFD0200900);; 中央级公益性科研院所基本科研业务专项(2017 hzs1J001)
  • 语种:中文;
  • 页:ZGSC201906019
  • 页数:8
  • CN:06
  • ISSN:11-2326/S
  • 分类号:76-83
摘要
利用枯草芽孢杆菌BLG010对苦瓜白粉病进行防治试验,同时为了探明苦瓜白粉病的病程相关物质,利用气相色谱-质谱联用技术分析白粉病菌接种处理、白粉病菌+BLG010接种处理和蒸馏水喷施处理后8 d和15 d时苦瓜叶片的代谢物质差异。试验结果表明,BLG010对苦瓜白粉病的防治效果高达89.49%;苦瓜感染白粉病菌后,D-葡萄糖、延胡索酸和肌醇半乳糖苷含量在8 d和15 d均上调表达,而甘氨酸、甘油酸、L-谷氨酸和咖啡酸则表现为下调。这7种代谢物质的含量变化与苦瓜白粉病病程相关,施用BLG010可以降低苦瓜白粉病病情指数,避免这7种代谢物质含量的异常变化。
        This paper conducted experiment on controlling bitter gourd powdery mildew using Bacillus subtilis(BLG010).And in order to find out the pathogenic process-related substances,the paper analyzed the differences in metabolic substances of bitter gourd leaves 8 days and 15 days after pathogen inoculation treatment,pathogen+BLG010 inoculation treatment and distilled water spraying treatment by GC-MS methodology.The results showed that the control effect of BLG010 on bitter gourd powdery mildew was as high as 89.49%.After pathogen infection,the contents of D-glucose,fumaric acid and galactinol on 8 days and 15 days were all up-regulated.While,the contents of glycine,glyceric acid,L-glutamic acid and caffeic acid were down-regulated.Contents of these 7 metabolic substances were related to the pathogenic process of bitter gourd powdery mildew.Application of BLG010 can decrease the disease index,and avoid the abnormal changes in contents of these 7 metabolic substances.
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