江西农业大学学报2017，Vol.39Issue(2)：272-277,6.DOI:10.13836/j.jjau.2017035
核桃内生菌XHE7对病原真菌的拮抗作用及种子发芽的影响
The Antagonism of Walnut Endophyte XHE7 against Plant Pathogenic Fungi and Effect on Crop Germination
摘要
Abstract
Plant endophyte has great potential in controlling plant diseases and promoting plant growth.In order to elucidate the biocontrol potential and effects of walnut endophyte XHE7 on crop seed germination,11 plant pathogenic fungi were assayed with dual culture method on plate,as well as the germination and length of buds and radicles of the seeds of 12 crops were tested.The results indicated that XHE7 strain could antagonize all 11 tested pathogenic fungi in some degree.Among these tests,the highest inhibition rate against the strawberry grey mold pathogen Botrytis cinerea was 78.1%,while the lowest inhibition rate against Fusarium graminearum was 36.7%.The strain increased maize seed germination rate by 19.23% but decreased Sorghum sudanense seed germination rate by 25.00%.Moreover,the length of maize radicles and buds increased by 81.0% and 99.2% respectively compared with those of the control.These findings lied a strong foundation for the development of the biocontrol potential and further application of walnut endophyte XHE7.关键词
核桃内生菌/XHE7/拮抗作用/生物防治/促生Key words
walnut endophyte/antagonism/biocontrol/promoting growth分类
农业科技引用本文复制引用
傅本重,朱洁倩,郭新梅,魏蜜,邹礼平,王立华,李国元..核桃内生菌XHE7对病原真菌的拮抗作用及种子发芽的影响[J].江西农业大学学报,2017,39(2):272-277,6.基金项目
湖北省教育厅重点项目(D20162701) Project supported by the Key Research Program of Hubei Provincial Department of Education (D20162701) （D20162701）
