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Pesticide composition and application thereof

A pesticide composition and the technology of the composition, applied in the fields of application, biocide, animal repellent, etc., can solve the problems of no one reporting, etc., and achieve the effects of overcoming drug resistance, reducing pesticide residues, and improving bactericidal effect

Active Publication Date: 2010-01-27
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] At present, there is no report on the compound application of prochloraz and pyrimethol (or pyrithrimol sulfonate or pyrimethol) in the prevention and treatment of diseases.

Method used

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  • Pesticide composition and application thereof
  • Pesticide composition and application thereof
  • Pesticide composition and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Fully mix the original drug (in this application document, the original drug refers to prochloraz and pyrithrimol or pyrithrimol sulfonate or pyrimol, which will not be described in detail below), various additives and fillers, etc., and ultrafinely pulverize After being pulverized by a machine, it is formulated into a wettable powder. For example the following formula:

[0025] Prochloraz 8%

[0026] Ethyrimol Sulfonate 40%

[0027] Sodium lauryl sulfate (surfactant) 2%

[0028] White carbon black (filler) 5%

[0029] Vinylpyrrolidone (binder) 4%

[0030] Sodium lignosulfonate (dispersant) 5%

[0031] Attapulgite (filler) makes up to 100%.

[0032] The prochloraz-pyrimolsulfonate wettable powder of this example was used to carry out the disease control experiment, the control object was pepper powdery mildew, and the test site was Huidong, Guangdong. The above wettable powder is diluted and sprayed according to 3000 times, and the control effect is 94.18% after ...

Embodiment 2

[0034] The original drug, various additives and fillers are fully mixed, pulverized by an ultra-fine pulverizer, and then formulated into a wettable powder. For example the following formula:

[0035] Prochloraz 1%

[0036] Acetrimol 50%

[0037] Chaku powder (surfactant) 5%

[0038] Polyvinyl alcohol (dispersion binder) 8%

[0039] Sodium lignosulfonate (dispersant) 9%

[0040] Kaolin (filler) makes up to 100%.

[0041] The prochloraz-pyrimol wettable powder of this example was used to carry out the disease control experiment, the control object was wheat powdery mildew, and the test site was Jiaozuo, Henan. Take above-mentioned wettable powder and spray according to 2500 times of dilution, 7 days after application, the control effect is 91.27%, the control effect of contrast agent 25% prochloraz EC 2000 times, 25% pyrithrimol suspension concentrate 500 times are 83.19%, 74.36% respectively. %.

Embodiment 3

[0043] The original drug, various additives and fillers are fully mixed, pulverized by an ultra-fine pulverizer, and then formulated into a wettable powder. For example the following formula:

[0044] Prochloraz 2%

[0045] Dimethicone 40%

[0046] Sodium lauryl sulfate (surfactant) 2%

[0047] White carbon black (filler) 5%

[0048] Vinylpyrrolidone (binder) 4%

[0049] Sodium lignosulfonate (dispersant) 5%

[0050] Bentonite (filler) was made up to 100%.

[0051] The prochloraz wettable powder of this example was used to carry out the disease control experiment, the control object was tomato powdery mildew, and the test site was Zengcheng, Guangdong. Take the above wettable powder and spray it according to 2500 times dilution, the control effect is 93.08% 7 days after the application, the control effect of the control agent 25% prochloraz EC 2000 times and 25% pyrecil EC 500 times are 82.47%, 73.61% respectively. %.

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Abstract

The invention provides a pesticide composition and an application thereof, wherein the composition comprises the following active gradients: prochloraz and pyrimidine fungicides (ethirimol, or bupirimate, or dimethirimol); and the composite is suitable for preventing and treating diseases in agriculture. The pesticide composition has the following advantages: (1) the composition shows excellent synergic effect in a certain matching range, remarkably improves the sterilization effect compared with single dosage, reduces the using dosage of pesticide, the application employees and the cost simultaneously, and decreases adverse effects on environment and pesticide residue; (2) since the two effective gradients in the composition have different action mechanisms, the application of the composition can delay or overcome the drug resistance of pathogenic bacteria and prolong the service life of the single dosage; and (3) the composition has wide prevention and treatment spectrum and can prevent and treat a plurality of diseases of crops.

Description

technical field [0001] The invention relates to a pesticide composition for preventing and treating pathogenic fungi in agriculture, especially a bactericidal composition, more particularly a composition suitable for preventing and controlling pathogenic fungi of the Ascomycotina subphylum. Background technique [0002] Powdery mildew is a plant disease caused by fungi of the family Erysiphacesae. Mostly ectoparasitic, all or most of the mycelium is exposed on the surface of the leaves, stems, shoots, buds, flowers and fruits of the host plant, and produces a large number of mycelia, conidiophores and conidia A white powder visible to the naked eye. [0003] Powdery mildew is widespread all over the world, especially in dicotyledonous plants. The main powdery mildews in China include cereal powdery mildew caused by Ery-siphe graminis; powdery mildew of melons, beans, hemp and other plants caused by Sphaerotheca fuliginea Grape powdery mildew caused by Uncinula necator; Po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/38A01N43/54A01P3/00
Inventor 张承来曹明章孔建王新军
Owner SHENZHEN NOPOSION AGROCHEM
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