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Rice blast prevention and control insecticide

A rice blast and medicament technology, applied in the field of rice blast control medicaments, can solve the problems of poor biological control effect, slow effect, unsatisfactory, etc., and achieve the goals of long application period, enhanced control effect, prevention and control of occurrence and development Effect

Active Publication Date: 2014-03-05
郭红甫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The effect of biological control is poor, the effect is slow, and cannot meet the needs of agricultural production; the agent with better preventive effect in chemical control is tricyclazole, and the agent with better therapeutic effect is kasugamycin

Method used

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  • Rice blast prevention and control insecticide
  • Rice blast prevention and control insecticide
  • Rice blast prevention and control insecticide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1: Rice blast control agent "0.1% kasugamycin + 0.1% dextran water agent"

[0029] 1. Components (100%): 0.1% kasugamycin; 0.1% dextran.

[0030] 2. Preparation method: Weigh 0.15g of 65% kasugamycin and 0.11g of 95% dextran respectively, put them into a 100ml volumetric flask, add water to dissolve and adjust the volume to 100ml to prepare an aqueous solution.

Embodiment 2

[0031] Example 2: Rice blast control agent "2% kasugamycin + 0.5% dextran water agent"

[0032] 1. Components (100%): 2.0% kasugamycin; 0.5% dextran.

[0033] 2. Preparation method: Weigh 3.1g of 65% kasugamycin and 0.5g of 95% dextran respectively, put them into a 100ml volumetric flask, add water to dissolve and adjust the volume to 100ml to prepare an aqueous solution.

Embodiment 3

[0034] Example 3: Rice blast control agent "10% kasugamycin + 2% dextran sugar soluble powder"

[0035] 1. Components (100% by weight): 10.0% kasugamycin; 2.0% dextran; filler copper sulfate.

[0036] 2. Preparation method: Weigh 15.4g of 65% kasugamycin, 2.1g of 95% dextran, and 82.5g of filler copper sulfate, and mix the above components evenly.

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Abstract

The invention relates to a rice blast prevention and control insecticide, which consists of the following effective components in parts by weight: 0.1 to 55.0 parts of kasugamycin and 0.1 to 25.0 parts of glucan. According to the rice blast prevention and control insecticide, the synergistic effects of sterilization activity of kasugamycin and resistance induction of glucan are used for preventing and controlling the occurrence and development of rice blast, the insecticide has both prevention and control effects, and remarkable prevention and control effects can be achieved whenever the insecticide is used before or after the occurrence of the rice blast.

Description

technical field [0001] The invention relates to a control agent for rice blast. Background technique [0002] Rice blast, also known as rice fever, is one of the three most serious diseases that harm rice. It can cause a substantial reduction in rice production, in severe cases, by 40%-50%, or even grain failure. Rice blast occurs all over the country, mostly on leaves and nodes, and the main types are seedling blast, leaf blast, node blast, panicle blast and grain pox. [0003] The rice blast fungus survives the winter on diseased valleys and grass with conidia and mycelium, and germinates to produce conidia under suitable climatic conditions, and spreads by airflow, which is a multi-cycle disease. The comprehensive control method adopts a comprehensive control strategy based on the elimination of overwintering bacteria sources, selection of disease-resistant varieties as the center, fitness cultivation as the basis, and chemical control as the auxiliary. Usually, the focu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/16A01P3/00
Inventor 郭红甫李政道曹筠慧陈建芳孙艳敏许国震高洪泽孙刚强岳振国白怀瑾王留梅秦海英胡玉香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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