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Herbicide composition containing halauxifen-methyl and halosulfuron-methyl

A technology of chlorpyrifosulfuron and fluoxetine, applied in herbicides and algicides, biocides, biocides, etc., can solve problems such as phytotoxicity, differences in resistance to sulfonylurea herbicides, etc. , to achieve the effect of enhancing the control effect, reducing the dosage, and delaying the resistance of weeds

Inactive Publication Date: 2016-05-18
INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The agent can inhibit the biosynthesis of branched-chain amino acids leucine, isoleucine, and valine in plants, but improper use may cause phytotoxicity to crops, and different crops or different varieties of the same crop have different effects on sulfonylureas. Variations in resistance to herbicides

Method used

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  • Herbicide composition containing halauxifen-methyl and halosulfuron-methyl
  • Herbicide composition containing halauxifen-methyl and halosulfuron-methyl

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example 1 Preparation of fluclopyridine ester (1g) and chlorpyrazosulfuron-methyl (10g) aqueous suspension

[0027] Use 96% halauxifen-methyl original drug and 92% halosulfuron-methyl original drug to prepare water suspension. Use an electronic balance to weigh the quantitative haclopyridine ester and clopyrazosulfuron-methyl original drug respectively, first add a special emulsifier to dissolve, then add 2 times of N,N-dimethylformamide until completely dissolved, and use 0.1% The Tween-80 aqueous solution was diluted into 1% water suspension concentrate for later use. Prepare the active ingredient haclopyridine (1g) and clopyrazosulfuron-methyl (10g) compound water suspension concentrate, and the prepared water suspension concentrate can be used for one hectare.

Embodiment 2

[0028] Example 2 Preparation of the compound water suspension concentrate of fluclopyridine ester (1g) and clopyrazosulfuron-methyl (20g)

[0029] The preparation method is the same as that in Example 1, and the haclopyridyl ester and the chlorpyrazosulfuron-methyl original drug are weighed for preparation.

Embodiment 3

[0030] Example 3 Preparation of the compound water suspension concentrate of fluclopyridine ester (1g) and clopyrazosulfuron-methyl (40g)

[0031] The preparation method is the same as that in Example 1, and the haclopyridyl ester and the chlorpyrazosulfuron-methyl original drug are weighed for preparation.

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PUM

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Abstract

The invention belongs to the technical field of farm chemical herbicides, and particularly relates to a herbicide composition containing halauxifen-methyl and halosulfuron-methyl. The herbicide composition is suitable for wheat fields. The weight ratio of the active ingredient halauxifen-methyl to the active ingredient halosulfuron-methyl ranges from 1:1.25 to 1:80. According to the herbicide composition, the weed control spectrum is broadened, the control effect is enhanced, the situation that the herbicide resistance of weeds can be rapidly generated when weed control is performed with a single herbicide is avoided, generation of the herbicide resistance of weeds is retarded, the dosage is reduced, the use cost is lowered, and environmental pollution is relieved.

Description

technical field [0001] The invention belongs to the technical field of pesticide herbicides, and in particular relates to a herbicide composition suitable for wheat fields containing haclopyridyl and chlorpyrazosulfuron-methyl. Background technique [0002] Wheat is one of the main food crops in my country. Its planting area and total output are second only to rice. The national planting area is more than 30 million hectares, about 450 million mu, accounting for 22%-30% of the country's cultivated land area, which is about 20%-27% of the area, the total wheat output is about 100 million tons, reaching 22% of the total grain output (Wu Mingrong et al., 2013, Pesticides). Wheat is the main commodity grain and strategic reserve grain variety in my country, and plays an important role in grain production, circulation and consumption. The development of wheat production is of great significance to the development of my country's national economy and people's lives. According to t...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N43/40A01P13/00
CPCA01N47/36A01N43/40A01N2300/00
Inventor 高兴祥李美房锋李健孙作文
Owner INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI
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