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Biological bactericide for resisting grey mould one its preparation method

A biological fungicide, gray mold technology, applied in the fields of botanical equipment and methods, biocides, animal repellants, etc., can solve problems such as arduous tasks, and achieve environmental pollution-free, convenient use, and no fermentation residues. Effect

Inactive Publication Date: 2005-10-26
ANHUI AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, botrytis cinerea strains with monoclonal, double, and even polyclonal antibodies have emerged, and the task of preventing this type of disease is arduous

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0036] 1. Preparation of carbon source powder

[0037] Dried wheat bran or rice bran is taken and crushed, or fresh potatoes are peeled and crushed for later use.

[0038] 2. Preparation of chitin

[0039] Take crab shells, shrimp skins or shells to remove residual (leftover) carrion, wash them, dry them, crush them, soak them in industrial hydrochloric acid for 24 hours, and keep stirring, wash them with water until they are neutral, then wash them with distilled water to remove chloride ions, dry them and crush them. spare.

[0040] 3. Culture medium preparation and fermentation culture

[0041] Take 25-30g of wheat bran or rice bran powder, add 200-350ml, boil for 0.5-1 hour, filter, add 0.2g FeSO after the filtrate is cooled 4 , 1g KH 2 PO 4 , 1.5g K 2 HPO 4 , 2g MgSO 4 and 20g of chitin, or take 25-30g of fresh potato powder, add it to 200-350ml of water, and then add 0.2g of FeSO 4 , 1g KH 2 PO 4 , 1.5g K 2 HPO 4 , 2g MgSO 4 and 20g of chitin, dilute to 100...

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PUM

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Abstract

A microbial bactericide for preventing and eliminating the botrytis is prepared from Trichodema through fermenting in the liquid culture medium at 25-40 deg.C for 5-10 days. Said liquid culture medium is prepared from wheat bran or rice husk or potato, chitin and other basic nutrients.

Description

1. Technical field [0001] The invention relates to an agricultural biological fungicide and a processing method thereof, in particular to a gray mold-resistant biological fungicide and a preparation method thereof. 2. Background technology [0002] Botrytis cinerea Pers caused by Botrytis cinerea Persex Fr is not only one of the more serious diseases of strawberry in my country, but also affects other horticultural crops, and is also a worldwide important horticultural crop disease. At present, botrytis cinerea strains with monoclonal, double, or even polyclonal antibodies have emerged, and the task of preventing this type of disease is arduous. Chemical control of strawberry diseases not only brings about environmental pollution and the production of antibiotics by pathogenic bacteria, but the most important thing is that strawberries, as a fresh fruit, are particularly sensitive to pesticide residues and have psychological impacts on people's health. The current upsurge i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/02
Inventor 蒋立科岳永德罗曼花日茂汤锋操海群
Owner ANHUI AGRICULTURAL UNIVERSITY