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Trichothecium roseum and veratridine combined bio-control agent, and application thereof in control of Bipolaris maydis

A kind of pink trichothecene, biological control agent technology, applied in the direction of biological control chemicals, biocides, application, etc. Effect

Active Publication Date: 2019-06-18
ANHUI AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problem that the existing preventive and control agents for corn small spot have no effective compounding with veratrine to form a biological control agent, the present invention provides a biological control agent combined with trichothecene pink and veratrine and its effect on corn small spot. Application in leaf spot control, it can effectively inhibit Helminthosporium maize

Method used

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  • Trichothecium roseum and veratridine combined bio-control agent, and application thereof in control of Bipolaris maydis
  • Trichothecium roseum and veratridine combined bio-control agent, and application thereof in control of Bipolaris maydis

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Experimental program
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Effect test

Embodiment 1

[0018] Test materials:

[0019] (1) Biocontrol fungi

[0020] The pink Trichothecium roseum was purchased from Guangdong Microbial Culture Collection Center, and its preservation number is GIM3.500.

[0021] (2) Chemical agents

[0022] Veratrine, dosage form: soluble solution, manufacturer: Hebei Fuji Biotechnology Co., Ltd.

[0023] (3) Target pathogenic bacteria

[0024] The Bipolaris maydis (Nisikado et Miyake) Shoem is provided by the Department of Plant Pathology, Anhui Agricultural University, and its host is corn.

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Abstract

The invention discloses a Trichothecium roseum and veratridine combined bio-control agent, and an application thereof in the control of Bipolaris maydis, and belongs to the technical field of plant protection. The use amounts of the Trichothecium roseum and veratridine in the bio-control agent meet the following conditions: the concentration of the Trichothecium roseum is 0.25-0.45 mg / L, and the concentration of the veratridine is 1.0 * 10<6> spores / mL. Data of application of the bio-control agent formed by compounding the Trichothecium roseum with veratridine shows that the bio-control agentformed by compounding the Trichothecium roseum with veratridine has synergistic effects on the control of Bipolaris maydis, and has a most significant inhibition effect on the Bipolaris maydis when the final concentration of veratridine is 0.35 mg / L and the concentration of the Trichothecium roseum is 1.0 * 10<6> spores / mL.

Description

technical field [0001] The invention belongs to the technical field of plant protection, and in particular relates to a biological control agent combined with trichothecene pink and veratrine and its application in the prevention and treatment of small spot of corn. Background technique [0002] The pathogenic bacterium of corn small spot is Bipolaris maydis (Nisikado et Miyake) Shoe m, which belongs to the subphylum Deuteromycotina. Maize spot disease is one of the important diseases in my country's corn production areas, and it is common and serious in the warm and humid areas of the Yellow River and Yangtze River basins; Maize spot disease occurs seriously in summer corn production areas in Huaibei, Anhui Province, generally resulting in a 15% reduction in production- 20%, and more than 50% of serious production cuts, or even no harvest. [0003] Botanical pesticides are biologically active substances extracted from plants. Most of them are new fungicides with a broad spe...

Claims

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Application Information

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IPC IPC(8): A01N63/04A01N43/90A01P3/00
Inventor 高智谋姜庆雨王伟燕蒋冰心陈方新
Owner ANHUI AGRICULTURAL UNIVERSITY
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