文献类型： 外文期刊
作者： Liu, Jian-Hua 1 ; Wang, Li 3 ; Qiu, Ji-Yan 1 ; Jiang, Li-li 1 ; Yan, Ji-Ye 1 ; Liu, Ting 1 ; Liu, Wei-Cheng 1 ; Duan, Yu- 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Inst Plant & Environm Protect, Beijing 10009, Peoples R China
2.Shenyang Agr Univ, Plant Protect Coll, Nematol Lab, Shenyang 110866, Peoples R China
3.Patent Examinat Cooperat State Intellctual Proper, Beijing 100190, Peoples R China
关键词： Gymnoascus reesii;nematicidal activity;Meloidogyne incoginta
期刊名称：AFRICAN JOURNAL OF MICROBIOLOGY RESEARCH （ 影响因子：0.539； 五年影响因子：0.564 ）
ISSN： 1996-0808
年卷期： 2011 年 5 卷 18 期
页码：
收录情况： SCI
摘要： In the present investigation, antagonistic effect of culture filtrates of Gymnoascus reesii at different concentrations were tested on eggs and juveniles of root knot nematode (Meloidogyne incoginta), in vitro. The percentage mortality and inhibition of hatching of root-knot nematode were directly proportional to the concentration of culture filtrates of G. reesii. Compared with the nematicides treatments of Cadusafos and Avermectins, the effects of higher concentration of culture filtrates of G. reesii were in some cases not statistically different. To our knowledge, this is the first report of culture filtrates of G. reesii observed to have nematicidal activity toward root-knot nematode and a nematicidal metabolite (3E,5E)-2,5-dihydroxy-2,7-dihydrooxepine-3-carboxylic anhydride was isolated based on bioassay-guided fractionation from the extracts of the fungus G. reessii.
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