Entomopathogenic nematode symbiotic bacteria and application thereof

A nematophile and bacillus technology, which is applied to entomopathogenic nematode symbiotic bacteria and its application fields, and can solve problems such as unclear insecticidal spectrum and the like
CN101892170AInactive Publication Date: 2010-11-24HEBEI AGRICULTURAL UNIV.
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HEBEI AGRICULTURAL UNIV.
Publication Date
2010-11-24
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses entomopathogenic nematode symbiotic bacteria and an application thereof. The entomopathogenic nematode symbiotic bacteria are xenorhabdus nematophila CGMCC No.3004. The fermentation liquor of the bacterial strain, the supernate of the fermentation liquor, and the ethyl acetate extracts of the thallus or of the supernate of the fermentation liquor of thallus has insecticidal action or ovicidal action on multiple agricultural pests.
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Description

technical field

[0001] The invention relates to an entomopathogenic nematode symbiotic bacterium and its application, in particular to an entomopathogenic nematode symbiotic bacterium and its application in the production of insecticide and / or ovicide. Background technique

[0002] Entomopathogenic nematode symbionts are a class of Gram-negative bacteria present in the intestinal tract of entomopathogenic nematodes, belonging to the family Enterobacteriaceae (Hominick WM. Wallingford: CABI Publishing UK, 2002.266-264), including the genus Pathogenus ( Xenorhabdus) and Photorhabdus, which are symbiotic with nematodes of Steinernema and Heterorhabditis, respectively (Chalabaev S., Turlin E., Bay S., et al.Applied and Environmental Microbiology, 2008, 74: 1717-1725; Forst S., Dowds B., Boemare N., et al. Annual review of microbiogy, 1997, 51: 47-72.).

[0003] In nature, such bacteria exist in the intestines of nematodes at the third instar infection stage. As the nematodes in...

Claims

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