Actinomycetes for preventing and treating peanut diseases and application of actinomycetes

A technology of actinomycetes and peanuts, applied in the field of microorganisms, can solve the problems of residual toxicity, chemical pesticide residue hazards, environmental pollution, etc., and achieve the effects of easy preservation, good development and application prospects, and simple cultivation conditions

Active Publication Date: 2016-08-10
SHANDONG PEANUT RES INST
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Problems solved by technology

[0005] In view of the increasingly serious problem of pest resistance in the prior art, and the serious harm caused by chemical pesticide residues, such as the problems of residual toxicity and environmental pollution, the p...

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  • Actinomycetes for preventing and treating peanut diseases and application of actinomycetes
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  • Actinomycetes for preventing and treating peanut diseases and application of actinomycetes

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Embodiment Construction

[0016] Further illustrate the present invention below in conjunction with accompanying drawing.

[0017] Exploring the isolation and purification of actinomycete LX14 and its inhibition on peanut fungi

[0018] 1. Experimental principle

[0019] Gaoshi No. 1 is a medium capable of cultivating actinomycetes. When the diluted soil is spread flat on Gaoshi No. 1 medium, a single colony can be isolated, which may be roughly isolated as actinomycetes. of single colonies. Then, after size determination by electrophoresis, the sequence of 16srDNA was determined. PDA medium is a medium capable of cultivating both bacteria and fungi. We used PDA medium to culture peanut fungi and actinomycetes at the same time to explore the inhibition of actinomycetes on peanut crown rot, peanut scab, peanut root rot and peanut mildew.

[0020] 2. Materials and methods

[0021] 2.1 Test material

[0022] 2.1.1 Soil source and dilution treatment

[0023] Soil was obtained from the experimental f...

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Abstract

The invention discloses actinomycetes for preventing and treating peanut diseases and application of actinomycetes .The name of strain LX14 is Streptomyces lavendulae, the preservation unit is Center of general microbiology of China Committee for Culture Collection of Microorganisms, the preservation time is January 22, 2014, and the preservation number is CGMCC No.8806 .Metabolin Streptomyces lavendulae is screened out from soil in a separation mode, is high in restraining effect on peanut fungi, is applied to preventing and treating peanut crown rot pathogen, a peanut scab disease, peanut root rot and peanut southern blight, has important significance in peanut disease preventing and treating and is very important in plant disease biological preventing and treating; a new approach is added for development of agricultural fungicide, and the Streptomyces lavendulae has good development and application prospects.

Description

technical field [0001] The invention relates to the technical field of microorganisms, in particular to an actinomycete for preventing and controlling peanut diseases, namely Streptomyces lavendulae and application thereof. Background technique [0002] Biological control refers to various measures that use beneficial organisms to control plant diseases. We mainly use beneficial microorganisms, which are also called antagonistic microorganisms or biocontrol bacteria. There are many kinds of bio-control bacteria, and the widely used ones in production include bio-control fungi, bio-control bacteria, actinomycetes, and viruses. Fungi mainly include Trichoderma, Chaetomium, yeast, Paecilomyces lilacinus, Verticillium firmicum and mycorrhizal fungi, etc.; bacteria mainly include Bacillus, Pseudomonas and other plant growth-promoting bacteria (PGPR), Radioactive soil Agrobacterium and Pasteurella, etc.; actinomycetes mainly include Streptomyces and its variants; attenuated stra...

Claims

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Application Information

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IPC IPC(8): C12N1/20A01N63/00A01P3/00C12R1/56
CPCA01N63/00C12N1/205C12R2001/56
Inventor 迟玉成吴菊香许曼琳王磊张天培王宝亮张竹青孙旭亮
Owner SHANDONG PEANUT RES INST
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