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Application of benzydamine hydrochloride in the preparation of fungicides for preventing and treating plant diseases caused by plant pathogenic bacteria

A technology of benzydamine hydrochloride and plant pathogenic bacteria, applied in the field of bactericidal active compounds, to achieve the effect of broad research and market application prospects, poor drug resistance, and high quality

Active Publication Date: 2021-10-26
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 inhibitory effect of benzydamine hydrochloride on agricultural plant pathogens at home and abroad

Method used

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  • Application of benzydamine hydrochloride in the preparation of fungicides for preventing and treating plant diseases caused by plant pathogenic bacteria
  • Application of benzydamine hydrochloride in the preparation of fungicides for preventing and treating plant diseases caused by plant pathogenic bacteria
  • Application of benzydamine hydrochloride in the preparation of fungicides for preventing and treating plant diseases caused by plant pathogenic bacteria

Examples

Experimental program
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Effect test

Embodiment 1

[0029] 1. Experimental materials

[0030] 1. Benzydamine hydrochloride was purchased from Sigma Company and stored at 4°C until use.

[0031] 2. In this experiment, the plant pathogenic bacteria were stored in a refrigerator at 4°C, and the medium was potato dextrose medium (referred to as PDA). PDA formula: 200 g potato (potato), 20 g glucose, 20 g agar, 1000 ml distilled water, natural pH. Preparation method: Wash and peel the potatoes, weigh 200 g and cut into small pieces, add 1000 g of distilled water to boil for 20 min, then filter it into a large beaker with four layers of gauze, add 20 g of agar, add 20 g of glucose, and stir evenly according to the needs of the experiment , add water to make up to 1000 ml, sterilize at 121°C for 20 minutes after aliquoting, and cool down for later use.

[0032] 3. Yeast extract peptone glucose medium (YPD for short) was used to measure the spore germination and germ tube elongation of plant pathogenic bacteria in this experiment. Y...

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Abstract

The invention provides the application of benzydamine hydrochloride in the preparation of fungicides for preventing and treating plant diseases caused by plant pathogenic bacteria. The present invention proves that benzydamine hydrochloride is effective against tomato cinerea and Fusarium oxysporum mycelia growth, spore germination and germ tube elongation by testing the inhibitory effect of benzydamine hydrochloride on tomato cinerea and Fusarium oxysporum. Fusarium sporogenes tomato specialization has a strong inhibitory effect. Traditional fungicides are highly polluting to the environment and have high residues, which directly threaten food safety. Benzydamine hydrochloride, as a fungicide, has the advantages of high efficiency and low toxicity, and is suitable for the requirements of chemical control of plant diseases. Benzydamine hydrochloride is a non-polluting, environmentally friendly small molecule compound, which is safe for non-target organisms, humans and animals, can ensure the high quality of agricultural products, fruits and vegetables, and meets the requirements of sustainable development. Its research and market application prospects are broad.

Description

technical field [0001] The invention belongs to the technical field of agricultural biology and relates to bactericidal active compounds, in particular to the application of benzydamine hydrochloride in the preparation of fungicides for preventing and treating plant diseases caused by plant pathogenic bacteria. Background technique [0002] Botrytis cinerea is a common disease caused by Botrytis cinerea infection. It is one of the most harmful diseases and occurs widely. In addition to harming tomatoes, Botrytis cinerea can also harm many important economic crops such as eggplant, pepper, cucumber, grape, strawberry, etc., and can cause gray mold of fruits and vegetables. The disease can occur not only during the growing season of the host plant, but also during the storage of agricultural products, so the damage is serious. Especially in recent years, the large-scale promotion of protected cultivation methods has led to a wide range of sources of infection and rapid spread...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/56A01P3/00
CPCA01N43/56
Inventor 梁文星朱明怡王光远刘炳辰范慧珍
Owner QINGDAO AGRI UNIV
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