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Prevention and control agent for banded sclerotial blight of crops

A sheath blight and medicament technology, which is applied in the field of crop sheath blight control medicaments, can solve the problems that cannot meet the needs of agricultural production, and the control effect will not have a major breakthrough, and achieve significant control effects and long-term application , Enhance the effect of prevention and control effect

Active Publication Date: 2014-12-10
郭红甫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] The above-mentioned medicaments for the prevention and treatment of crop sheath blight are mostly compounded fungicides, and the control effect will generally not have a major breakthrough, which cannot meet the needs of agricultural production

Method used

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  • Prevention and control agent for banded sclerotial blight of crops
  • Prevention and control agent for banded sclerotial blight of crops
  • Prevention and control agent for banded sclerotial blight of crops

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Example 1: The sheath blight control agent "0.1% Jinggangmycin A+0.1% dextran sugar water agent"

[0036] 1. Components (100%): 0.1% Jinggangmycin A; 0.1% dextran.

[0037] 2. Preparation method: Weigh 0.17g of 60% Jinggangmycin A and 0.11g of 95% dextran, respectively, put them into a 100ml volumetric flask, add water to dissolve and set the volume to 100ml, to prepare an aqueous solution.

Embodiment 2

[0038] Example 2: The sheath blight control agent "2% Jinggangmycin + 0.5% dextran sugar water agent"

[0039] 1. Components (100%): 2.0% Jinggangmycin; 0.5% dextran.

[0040] 2. Preparation method: Weigh 2.2g of 90% Jinggangmycin and 0.5g of 95% dextran, respectively, put them into a 100ml volumetric flask, add water to dissolve and set the volume to 100ml, to prepare an aqueous solution.

Embodiment 3

[0041]Example 3: Sheath blight control agent "10% Jinggangmycin A+2% dextran sugar soluble powder"

[0042] 1. Components (100% by weight): 10.0% Jinggangmycin A; 2.0% dextran; filler calcium chloride.

[0043] 2. Preparation method: Weigh 16.7g of 60% Jinggangmycin A, 2.1g of 95% dextran, and 81.2g of filler calcium chloride, and mix the above components evenly.

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Abstract

The invention relates to a prevention and control agent for banded sclerotial blight of crops. The active ingredients of the prevention and control agent for banded sclerotial blight of crops are validamycin and glucosene, wherein the validamycin is validamycin A or a mixture of the validamycin A and isomers B, C, D, E and F of the validamycin A. The active ingredients comprise the following components in parts by weight: 0.1-60.0 parts of validamycin and 0.1-25.0 parts of glucosene. According to a synergistic effect of the bactericidal activity of the validamycin and the induced resistance of the glucosene, the occurrence and development of the banded sclerotial blight of crops are prevented and controlled, the agent has the prevention and treatment effects, and obvious prevention and treatment effects can be achieved when the agent is taken before or after pathogenesis.

Description

technical field [0001] The invention relates to a control agent for crop sheath blight. Background technique [0002] Crop sheath blight is a fungal disease caused by the infection of Rhizoctonia solani. It is common in grass crops such as rice, wheat, and millet. It is a high-temperature and high-humidity disease, and its incidence is closely related to the temperature and humidity of the environment. It can become explosive with the occurrence of rainfall and high-humidity weather. [0003] Crop sheath blight can occur from the seedling stage to the earing stage. Generally, the disease is severe at the peak tillering stage and mainly damages the leaf sheaths and leaves. The leaf sheaths of the flag leaves are infected at the heading stage. In mild cases, the flag leaves will wither and turn yellow early, and in severe cases, the plants will fail. Heading is normal, but the neck of the ear is infected after heading, which directly leads to a decrease in seed setting rate a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/16A01P3/00
Inventor 郭红甫李政道曹筠慧赵继文陈建芳孙艳敏许国震高洪泽孙刚强岳振国白怀瑾秦海英胡玉香王留梅胡占菊周娟丽亓晓光陈禄廷刘晓帆郭慧赵平寿永前高爱旗郭宁宁
Owner 郭红甫
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