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A strain of Aspergillus parasiticus and its preparation method and application

A technology of Aspergillus parasiticus and preparation steps, applied in the field of Aspergillus parasiticus and its preparation, can solve the problems of increasing pesticide residues, polluting the environment, endangering human health and life, etc., and achieving the effect of controlling the number of aphid populations

Active Publication Date: 2019-05-28
鹤壁市人元生物技术发展有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

At the same time, the application of chemical pesticides increases the amount of pesticide residues in agricultural products, seriously pollutes the environment, and endangers human health and life.

Method used

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  • A strain of Aspergillus parasiticus and its preparation method and application
  • A strain of Aspergillus parasiticus and its preparation method and application
  • A strain of Aspergillus parasiticus and its preparation method and application

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Embodiment Construction

[0018] The technical solutions of the present invention will be described in further detail below through specific implementation methods.

[0019] This embodiment provides a Aspergillus parasitica strain screened from radish aphids that died naturally due to fungal parasitism, and the method for obtaining, cultivating and identifying the strain comprises the following steps:

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Abstract

The invention provides a strain of Aspergillus parasiticus, which is Aspergillus parasiticus RWSF001‑02, which is preserved in the "Guangdong Microbial Culture Collection Center" with a preservation number of GDMCC NO: 60080. The Aspergillus parasitica is selected from aphids that died naturally due to fungal parasitism. The Aspergillus parasitica and the spore powder containing the Aspergillus parasitica spores can be used to prepare insecticides, especially for aphids with a high control rate, and the strain has good production properties and rapid growth. After 5 days, the sporulation amount can reach 8×108 / g.

Description

technical field [0001] The invention belongs to the technical field of pest biological control, and relates to a strain of Aspergillus parasitica and its preparation method and application. Background technique [0002] Since the invention of chemical pesticides, chemical pesticides have grown at an astonishing rate of 5% per year. Although chemical pesticides have played an important role in agricultural production and pest control in the past few decades, the extensive use of chemical pesticides has brought about a series of ecological and environmental problems such as serious drug resistance and pesticide residues. Long-term extensive use of chemical pesticides has led to an increase in drug-resistant pests. Especially in the past 10 years, the resistance of cotton bollworms, aphids, diamondback moths, and Spodoptera litura to pyrethroids and organophosphorus chemical pesticides has increased by hundreds or even Thousands of times. At the same time, the use of chemical...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12N1/14C12N1/02C12N3/00A01N63/04A01P7/04C12R1/66
CPCA01N63/30C12N1/02C12N3/00C12N1/145C12R2001/66
Inventor 李静王建红王慧芳王树伟王振华
Owner 鹤壁市人元生物技术发展有限公司
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