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Bactericidal composition

A composition, the technology of rice blast spirit, applied in the directions of biocides, animal repellents, plant growth regulators, etc., can solve problems such as unpredictable effects, reduce the cost of medication, reduce the impact on the environment, and expand the bactericidal spectrum. Effect

Inactive Publication Date: 2007-01-10
浙江威尔达化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Hexaconazole is a newly developed azole fungicide. It is a sterol demethylation inhibitor. It is characterized by super high efficiency and high activity. However, hexaconazole has not been used to control rice sheath blight in my country at present.
Moreover, there is no report on its combination with Daoblastin to control rice sheath blight, rice blast and rice false smut in domestic and foreign patents, so the effect of its mixed use with Daoblastin is unpredictable

Method used

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  • Bactericidal composition

Examples

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Comparison scheme
Effect test

Embodiment 1

[0021] Formulation example 1 30% rice blastin·hexaconazole emulsifiable concentrate

[0022] Rice blast spirit 27%,

[0023] Hexaconazole 3%,

[0024] Farm Milk 0203 10%,

[0025] Xylene 30%,

[0026] DMF 10%,

[0027] n-Hexane Make up 100%.

[0028] Weigh the original drug, solvent, and emulsifier according to the above formula requirements, mix evenly, and heat and dissolve in a hot water bath if necessary to obtain a transparent emulsifiable oil.

Embodiment 2

[0029] Formulation example 2 10.1% rice blastin·hexaconazole emulsifiable concentrate

[0030] Rice blast spirit 10%,

[0031] Hexaconazole 0.1%,

[0032] Farm Milk 0203B 10%,

[0033] Xylene 30%,

[0034] DMF 10%,

[0035] n-Hexane Make up 100%.

[0036] Weigh the original drug, solvent, and emulsifier according to the above formula requirements, mix evenly, and heat and dissolve in a hot water bath if necessary to obtain a transparent emulsifiable oil.

Embodiment 3

[0037] Formulation example 3 30% rice blastin·hexaconazole wettable powder

[0038] Rice blast spirit 26%

[0039] Hexaconazole 4%

[0040] Sodium Lauryl Sulfate 1.5%

[0041] Carboxymethylcellulose 1%

[0042] Sodium lignosulfonate 10%

[0043] Calcium carbonate light make up 100%

[0044] According to the requirements of the above formula, the original drug, various additives and fillers are fully mixed, and after being pulverized by an ultrafine pulverizer, the processed product is obtained.

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Abstract

The present invention relates to a fungicide compound for effectively preventing and curing rice blast, rice stripe and rice sheath blight disease. It is formed from isoprothiolane and hexaconazole according to the mixing ratio of 9:1-6:5:1. Said invention also provides its preparation method.

Description

technical field [0001] The invention relates to a fungicidal composition for preventing and treating rice sheath blight, rice blast and rice smut. More specifically, the present invention relates to a fungicidal composition containing blastazyl and hexaconazole. Background technique [0002] Rice sheath blight (Rhizoctonia solani kühn) is very common and is one of the major diseases in rice production areas. If the water and fertilizer management in the paddy field is improper, the disease will often occur seriously, causing the grains to be not full, the empty rate will increase, and in severe cases, they will fall and die. Generally, the south is heavier than the north, and the annual occurrence area is about 1-2 billion mu. The lighter ones reduce production by 5-10%, and the severe ones reduce production by up to 50-70%. [0003] The control of rice sheath blight mainly relies on chemical agents. Before the early 1980s, the special drug Daojiaoqing was mainly used. Ho...

Claims

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Application Information

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IPC IPC(8): A01N43/653
Inventor 吴明龙
Owner 浙江威尔达化工有限公司
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