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Copper sulfate and validamycin compound germicide and using method thereof

A technology of compound fungicide and Jinggangmycin, which is applied in the field of pesticides, can solve problems such as poor control effect, unsatisfactory control effect of control chemicals, and impact on the quality of agricultural products, and achieve good control effect

Inactive Publication Date: 2008-03-26
ZHENJIANG AGRI SCI INST JIANGSU HILLY AREAS
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the common defect of single use of this type of fungicide in the prevention and treatment of rice sheath blight is that the control effect is not good, and it is not stable.
Since rice sheath blight can occur from the tillering stage to the heading maturity stage as long as the temperature and humidity are suitable, the occurrence period is long, and the control effect of the control chemicals is not ideal, so it is necessary to spray more times and more to maintain Control effect on rice sheath blight
This increases the cost of farming, increases the impact on the environment, and also has a greater impact on the quality of agricultural products

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0009] The first group of embodiment of compound fungicide of the present invention and its indoor activity measurement to sheath blight bacteria:

[0010] The antibacterial activity of the agents on the mycelia growth of rice sheath blight was determined by serial dilution plate method. 60% Jinggangmycin A raw powder and copper sulfate were dissolved in water to form a stock solution of 10000 μg / ml, and then copper sulfate and Jinggangmycin A were mixed according to the ratio of 12:1, 10:1, 8:1, 6:1, 4: 1. Mix samples with different proportions, and then dilute with sterilized water to form a series of concentrations together with a single dose according to different dilution multiples. Controls were treated with sterile water. After the WA medium is dissolved and cooled to about 45°C, add a certain amount of medicament, and quickly pour it into a petri dish to make a series of drug-containing plates; punch out the edge of the sheath blight colony that has been pre-cultured ...

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Abstract

The present invention relates to a compound germicide which can be used for effectively controlling crop diseases of rice sheath blight disease and green smut of rice, etc. Said compound germicide is made up by using copper sulfate and jinggangmeisu (validamycin A) as effective components according to the mixing ratio of 1:12-12:1 through a certain preparation process.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a copper sulfate-jinggangmycin compound fungicide that can be used to prevent and treat crop diseases such as rice sheath blight and rice false smut and a use method thereof. Background technique [0002] Rice sheath blight is an important disease that often occurs in rice. It occurs seriously in rice areas south of the Yangtze River. It damages rice leaves and leaf sheaths and causes early yellowing and death of leaves. Thousand-grain weight decreased, thereby affecting rice yield. Rice sheath blight can occur throughout the rice growth period, and the incidence is most severe in the Yangtze River Basin from July to September. The control of rice sheath blight in my country mainly uses Jinggangmycin, triadimefon, Hesuining, Daofengling, etc. to spray before or at the beginning of the disease. However, the common defect of single use of this type of fungicide when preventing a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/02A01P3/00A01N43/16
Inventor 朱桂梅潘以楼杨敬辉
Owner ZHENJIANG AGRI SCI INST JIANGSU HILLY AREAS
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