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Isolation, identification and herbicidal activity research for Beauveria beauveria bassiana NO6

A technology for the separation and purification of Beauveria bassiana, applied in the field of identification and herbicidal activity research, separation, can solve the problems of high cost, environmental pollution, drug resistance, etc., to reduce soil and environmental pollution, avoid pesticide residues, Guarantee the effect of growth quality and output

Pending Publication Date: 2019-03-29
QINGHAI UNIVERSITY
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Problems solved by technology

However, the cost of seed selection and manual removal before sowing of wheat is not only high, but also the control effect is not significant. Field rotation will be limited by many factors such as geographical location and farmers' farming habits. Although field spraying of chemical herbicides has become the main control method for wild oat measures, but the existence of problems such as environmental pollution, drug resistance, etc.

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  • Isolation, identification and herbicidal activity research for Beauveria beauveria bassiana NO6
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  • Isolation, identification and herbicidal activity research for Beauveria beauveria bassiana NO6

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Embodiment Construction

[0031] In order to better understand the technical solutions of the present invention, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0032] It should be clear that the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0033] Terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a", "said" and "the" are also intended to include the plural forms unless the context clearly indicates otherwise.

[0034] The research on bacterial strains of the ...

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Abstract

The invention provides isolation, identification and herbicidal activity research for Beauveria beauveria bassiana NO6, and relates to the technical field of microbial application. The Beauveria beauveria bassiana NO6 can generate significant inhibition effects on growth of Avena avena fatua in soil and exerts prevention and removal effects on the Avena avena fatua, thereby guaranteeing the growthquality and yield of planted crops; and compared with a pesticideherbicide for weeding, the Beauveria beauveria bassiana NO6 can avoid pesticideherbicide residues in crops, so the pollution to the soil and the environment is reduced. The invention provides a compound which contains a Beauveria beauveria bassiana NO6 preparation and is used for weeding; and the Beauveria beauveria bassiana NO6 preparation comprises a fermentation filtrate and / or a crude extract. According to a technical scheme of the invention, the Beauveria beauveria bassiana NO6 is applicable to the processes of prevention and removal of the Avena avena fatua.

Description

【Technical field】 [0001] The invention relates to the technical field of microbial application, in particular to the isolation, identification and herbicidal activity of Beauveria bassiana NO6. 【Background technique】 [0002] Wild oat (Avena fatua L.) is an annual or biennial herbaceous plant belonging to the Poaceae Oat family. It is a vicious field weed and is distributed in Europe, North America, Africa, Australia and temperate and cold regions of Asia. It has strong tillering ability, high reproductive rate and wide adaptability, and is the main threat to field crops. At present, there are about 1.6 million hm2 in 16 provinces and regions in my country 2 The farmlands are damaged by wild oats, with the damage rate reaching 15.6% in the winter wheat area and 25.3% in the spring wheat area, resulting in a reduction in grain production of 1.75 billion kg per year. At present, how to effectively control wild oats faces many difficulties. Seed selection before sowing of whe...

Claims

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Application Information

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IPC IPC(8): A01N63/04C12N1/14A01P13/00C12R1/645
CPCA01N63/30C12N1/14
Inventor 程亮郭青云朱海霞魏有海翁华王伟
Owner QINGHAI UNIVERSITY
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