Bactericidal composition

The technology of a composition and fludioxonil is applied in the directions of fungicides, biocides, biocides, etc., and can solve the problems of few types of compounding agents, unable to meet the needs of prevention and control of wheat scab, and few types of choices, etc., To achieve the effect of reducing the cost of use, reducing the dosage of drugs, and reducing the cost

Inactive Publication Date: 2016-06-29
溧阳中南化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Prochloraz, an imidazole fungicide; chemical name: N-propyl-N-[2-(2,4,6-trichlorophenoxy)ethyl]-imidazole-1-carboxamide, molecular formula: C15H16C13N302 , with a molecular weight of 376.7; prochloraz is a broad-spectrum fungicide, and is the most active species among carbamoyl imidazoles. It acts by inhibiting the biosynthesis of sterols and has good conductivity. Various diseases caused by fungi and half-knowledge have good effects; the price of this agent is moderate, and it has been widely used in production, but the problem of fungal resistance has become increasingly prominent when it is used alone for a long time; In technology, fludioxonil products are mainly used for seed tr

Method used

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  • Bactericidal composition
  • Bactericidal composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The composition body is a suspending agent, and its specific formula is as follows:

[0022] According to the formula ratio, mix the active components of fludioxonil and prochloraz, surfactants, thickeners, film-forming agents, carriers or fillers and part of water, then go through high-speed shearing and wet sanding to make semi-finished products , After analysis, replenish water, mix evenly and filter to obtain the finished product; its formula is as follows:

[0023] The total weight percentage of active components in the composition body is 22%.

[0024] 96% fludioxonil (active compound)

[0025] The total weight percentage of the active components in the composition body is 30%.

[0026] 96% fludioxonil (active compound)

[0027] 97% prochloraz (active compound)

Embodiment 2

[0029] The composition body is a wettable powder, and its specific formula is as follows:

[0030] Mix the active ingredients of pesticides fludioxonil and prochloraz, additives and fillers in proportions, airflow pulverization, and then mix to prepare wettable powder; main equipment: mixer, jet mill;

[0031] The total weight percentage of active components in the composition body is 42%.

[0032] 96% fludioxonil (active compound)

[0033] The total weight percentage of the active components in the composition body is 36%.

[0034] 96% fludioxonil (active compound)

[0035] Sodium lignosulfonate (dispersant)

Embodiment 3

[0037] The composition body is a water-dispersible granule; its specific formula is as follows:

[0038] The active ingredient of the pesticide fludioxonil and prochloraz, additives, and fillers are mixed in proportions, airflow pulverized, and then 15-20% water is added, kneaded, granulated, dried, and sieved to obtain water dispersible granules. . Main equipment: mixer, jet mill, kneader, extrusion granulator, drying equipment (drying room or fluidized bed);

[0039] The total weight percentage of the active components in the composition body is 40%.

[0040] 96% fludioxonil (active compound)

[0041] The total weight percentage of the active components in the composition body is 60%.

[0042] 96% fludioxonil (active compound)

[0043] Tea powder (surfactant)

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Abstract

The invention discloses a bactericidal composition which comprises a composition body. Active components of the composition body are fludioxonil and prochloraz. The bactericidal composition has the advantages that the fludioxonil is a novel broad-spectrum non-internal-suction pyrrole bactericide, the prochloraz is a broad-spectrum imidazole bactericide with protection and eradiation effects, mechanisms for the prochloraz include inhibiting biological synthesis of germ ergosterol, special effects can be realized for diversified crop diseases due to ascomycetes and deuteromycota, the prochloraz does not have an internal suction property, but certain conduction effects can be realized by the prochloraz; the fludioxonil and the prochloraz have different action mechanisms and different action sites and are free of cross-resistance, and the pesticide resistance of germs can be prevented when the fludioxonil and the prochloraz are mixed with each other; synergistic effects further can be realized by the bactericidal composition, the pesticide application quantities can be reduced, and accordingly the service cost can be lowered; the fludioxonil is high in cost when used individually, but the cost can be obviously lowered when the fludioxonil and the prochloraz are mixed with each other on the premise that the efficacy is guaranteed.

Description

Technical field [0001] The invention relates to a bactericidal composition, in particular to a bactericidal composition containing fludioxonil and prochloraz, which is mainly used for the prevention and treatment of wheat head blight. Background technique [0002] Head blight is an important disease of wheat and barley. It spreads all over the country and has been one of the most serious diseases in wheat areas south of the Huaihe River and the middle and lower reaches of the Yangtze River. In pandemic years, yield losses can reach 10%-40%. In recent years, there have been many pandemics in the wheat areas of the Huanghuaihai Plain, the northwestern wheat areas, and the northeast spring wheat, causing great losses; head blight not only caused a decrease in wheat yield, but also low commodity value, and diseased grains were lost for seed use. And industrial value; at the same time, due to the low-density products of pathogens containing toxins, humans and animals will be poisoned ...

Claims

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Application Information

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IPC IPC(8): A01N47/38A01P3/00A01N43/36
Inventor 张景飞
Owner 溧阳中南化工有限公司
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