Bacterial biological fungicide and preparation method thereof

A technology of fungicides and bacteria, applied in the field of microbial pesticides, can solve problems such as excessive crop residues, and achieve the effects of not easily producing resistance, not polluting the environment, and being safe for humans and animals

Inactive Publication Date: 2011-01-26
王文夕
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Problems solved by technology

[0004] The purpose of the present invention is to provide a bacterial biological fungicide and its preparation method for the problems existing in the prior art, which solves the problems of excessive crop residues in the use of chemical pesticides in the prior art, etc.

Method used

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  • Bacterial biological fungicide and preparation method thereof
  • Bacterial biological fungicide and preparation method thereof

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Embodiment Construction

[0017] The present invention provides a bacterial biological fungicide for preventing and controlling crop root pathogenic bacteria and its preparation method. In order to make the purpose, technical scheme and advantages of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples illustrate.

[0018] The present invention utilizes microbial pesticide living body Pseudomonas putida, the Chinese name is Pseudomonas putida, which is a Gram-positive rod-shaped bacterium with a wide range of metabolic pathways and is mainly used to decompose harmful compounds in the environment. Several kinds of Pseudomonas are known The putida strain is a very excellent plant growth-promoting bacterium, but there is no report of the Pseudomonas putida strain for preventing and treating plant diseases. The present invention uses the microbial pesticide living body as the starting strain to fer...

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Abstract

The invention provides a bacterial biological fungicide and a preparation method thereof. Microbial pesticide living Pseudomonas putida is used as a starting strain; and the bacterial biological fungicide is obtained after fermentation and reproduction. The bacterial biological fungicide can be used for nearly all crops infected by Pythium, Rhizoctonia and Fusarium, is safe for the crops, and has good effect on the crops such as cucumber, tomato, scallion, eggplant, green pepper, cotton, watermelon, sesame and the like. The bacterial biological fungicide has the greatest advantages that the bacterial biological fungicide is all nature, harmless, safe to people and livestock and environment-friendly; the pathogenic bacteria are not easy to produce resistance; and the bacterial biological fungicide is favorable for production of green vegetables, and has huge economic, ecological and social benefits.

Description

technical field [0001] The invention relates to the field of microbial pesticides, in particular to a bacterial biological fungicide and a preparation method thereof, mainly used for preventing and treating vegetables and other crops caused by fungal pathogens of the genus Pythium, Rhizoctonia or Fusarium root disease. Background technique [0002] Vegetable root disease is the most stubborn vegetable disease, which leads to a large area of ​​vegetable production loss all the year round; in the prior art, vegetable farmers mainly use chemical pesticides to prevent and control such diseases, and long-term use will directly lead to water source and environmental pollution, excessive residues of agricultural products, and interruption of the biological chain , soil degradation, ecological imbalance and a series of ecological and social problems; and the carcinogenic, teratogenic and mutagenic effects of chemical pesticides are attracting great attention from the scientific comm...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/02A01P3/00C12N1/20C12R1/40
Inventor 王文夕周树堂薛保国
Owner 王文夕
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