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A kind of actinomycetes and application thereof for preventing and treating peanut diseases

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

Active Publication Date: 2019-09-20
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 purpose of the present invention is to provide a kind of actinomycetes for preventing and controlling peanut diseases, which Has a significant effect of inhibiting peanut fungi, and its application in biological control pesticides

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  • A kind of actinomycetes and application thereof for preventing and treating peanut diseases
  • A kind of actinomycetes and application thereof for preventing and treating peanut diseases
  • A kind of actinomycetes and application thereof for preventing and treating peanut diseases

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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 white silkworm.

[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 experi...

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Abstract

The invention discloses an actinomycete for preventing and treating peanut diseases and its application. The strain LX14 is named as Streptomyces lavendulae. Deposit unit: General Microbiology Center of China Microbiological Culture Collection Management Committee, deposit date: 2014 On January 22, the deposit number was CGMCCNo.8806. The present invention separates and screens the metabolite Streptomyces lavendulae from soil, which has a strong inhibitory effect on peanut fungi, and is applied to the prevention and treatment of peanut crown rot, peanut scab, peanut root rot and peanut white silkworm. The prevention and control of peanut diseases is of great significance, and it plays a very important role in the biological control of plant diseases. It adds a new way to the development of agricultural fungicides and has a good development and application prospect.

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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Patent Type & Authority Patents(China)
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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