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Application of 6-azauracil to preparation of fungicide for preventing and treating plant diseases caused by phytopathogen

A plant pathogenic bacteria, nitrogen uracil technology, applied in the direction of chemicals, fungicides, plant growth regulators, etc. for biological control, can solve the problems of no reports, etc., to ensure high quality, large environmental pollution, poor drug resistance Effect

Active Publication Date: 2018-03-23
QINGDAO AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At present, there is no report on the application of 6-nitrouracil in pesticides, especially as a bactericidal active substance.

Method used

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  • Application of 6-azauracil to preparation of fungicide for preventing and treating plant diseases caused by phytopathogen
  • Application of 6-azauracil to preparation of fungicide for preventing and treating plant diseases caused by phytopathogen
  • Application of 6-azauracil to preparation of fungicide for preventing and treating plant diseases caused by phytopathogen

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Experimental program
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Effect test

Embodiment 1

[0041] 1. Experimental materials

[0042] The 6-azuracil agent was a finished product purchased from Sigma. According to the specific requirements of the experiment, 6-nitrouracil was weighed and dissolved in dimethyl sulfoxide to prepare a 100 mM / L mother solution, which was sterilized by filtration and stored at 4°C until use.

[0043] The phytopathogenic bacteria used in this experiment were strains stored at 4°C in the laboratory, and the medium used was potato medium (PDA for short).

[0044] PDA medium formula: potato (peeled) 200g, glucose 20g, agar 15g, tap water 1000ml, natural pH.

[0045] Preparation method: wash and peel the potatoes, weigh 200g, cut into small pieces, add water and boil until rotten (boil for 20-30 minutes, it can be pierced by a glass rod), filter it into a beaker with eight layers of gauze, add 15-20g of agar, add 20g of glucose, stir evenly, fully dissolve and then cool down to make up water to 1000ml, after subpackaging, sterilize at 121°C f...

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Abstract

The invention discloses application of 6-azauracil to preparation of a fungicide for preventing and treating plant diseases caused by phytopathogen. Indoor toxicity tests show that 6-azauracil has good inhibition activity upon phytopathogen and oomycetes. As a fungicide, 6-azauracil has the advantages of high efficiency and low toxicity and is applicable to requirements on chemical prevention andtreatment on plant diseases. As a great amount of fungicides are used at present, the drug resistance of the pathogenic bacteria is improved, in addition, conventional fungicides are severe in environment pollution and high in residue amount, and the food security of human beings is directly affected. 6-azauracil is a degradable, pollution-free and environmental-friendly micromolecule compound, inaddition is poor in drug resistance, safe to non-target organisms, livestock and human beings, is capable of ensuring high quality of agricultural products, fruits and vegetables, meets requirementsof sustainable development, and is wide in study and market application prospect.

Description

technical field [0001] The invention belongs to the technical field of fungicidal active compounds, and in particular relates to the use of 6-nitrouracil in the preparation of fungicides for preventing and treating plant diseases caused by plant pathogenic bacteria. Background technique [0002] Plant pathogenic bacteria can cause great harm to the growth and development of plants, and cause huge losses to agricultural production every year. Plant disease is one of the natural disasters that seriously endanger agricultural production. According to the estimate of the Food and Agriculture Organization of the United Nations, the annual loss of grain and cotton production in the world is more than 10% due to disease. Plant diseases can not only reduce the yield of crops, but also seriously threaten the quality and safety of agricultural products and their international trade to a certain extent. [0003] The history of chemical control of plant diseases developed along with th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/88A01P3/00
CPCA01N43/88
Inventor 梁文星马晓英纪英姿陈童鸽
Owner QINGDAO AGRI UNIV
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