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Weeding composition

A herbicidal composition and compound technology, applied in the field of agriculture, can solve the problems of single-dose herbicides with a single mode of action and short duration of action, and achieve the effects of reducing the amount of application and reducing phytotoxicity

Pending Publication Date: 2018-07-10
JIANGSU ROTAM CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the continued use of many herbicide varieties on a large scale, many problems have arisen, such as the problem of weed resistance, especially the problem of resistance to older weeds is particularly prominent; Short validity period etc.

Method used

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  • Weeding composition
  • Weeding composition
  • Weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0126] Example 1 11% pyrifluzal+11% furazone wettable powder

[0127] The composition of the formula is: 11% of pyrizamid, 11% of furazone, 8% of sodium naphthalenesulfonate formaldehyde condensate, 6% of alkylphenol polyoxyethylene ether phosphate, and the balance of kaolin;

[0128] The preparation method is as follows: weighing the above-mentioned components in the formula amount, mixing, grinding and pulverizing them to obtain wettable powder.

Embodiment 2

[0129] Example 2 10% pyrifluzal+20% furazone wettable powder

[0130] The composition of the formula is: 10% pyrifluzal, 20% furazone, 10% fatty alcohol polyoxyethylene ether sodium sulfate, 10% trisiloxane polyoxyethylene ether, and the balance of bentonite;

[0131] The preparation method is as follows: weighing the above-mentioned components in the formula amount, mixing, grinding and pulverizing them to obtain wettable powder.

Embodiment 3

[0132] Example 3 5% pyrifluzal+5% furazone emulsion in water

[0133] The formula is composed of: pyrifluzal sulfide 5%, furazone 5%, N-methylpyrrolidone 10%, phenylethylphenol polyoxyethylene polyoxypropylene ether 5%, ethylene glycol 5%, propylene glycol 5%, water margin;

[0134] The preparation method is as follows: adding pyrizachlor, furazone, solvent, emulsifier, etc. to dissolve into a uniform oil phase; mixing antifreeze, defoamer, water, etc. together to form a uniform water phase. Under high-speed stirring, add the oil phase to the water phase to obtain a water emulsion.

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Abstract

The invention provides a weeding composition comprising active components which include a compound (A) and a compound (B). The compound (A), namely Pyrithiobac-sodium, refers to a compound as shown inthe formula (I); the compound (B), namely Flurtamone, refers to a compound as shown in the formula (II); the weight ratio of the compound (A) and the compound (B) is (10:1)-(1:50).

Description

Technical field [0001] The present invention relates to the field of agriculture, specifically to a herbicidal composition; and to the use of the herbicidal composition to prevent and control unwanted plant germination or growth. Background technique [0002] The use of chemical herbicides is one of the important symbols of modern agriculture. In recent years, the sales of herbicides have increased year by year, and the application area has also expanded year by year. However, with the continuous use of many herbicide varieties in large areas, many problems have arisen. For example, the problem of weed resistance has begun to emerge, especially the resistance of older weeds. In addition, a single herbicide has a single mode of action and a long-lasting effect. Short validity period, etc. Therefore, there is an urgent need for long-lasting herbicides and their combinations with wide weeding range, strong selectivity and less pressure on weed resistance. Contents of the inv...

Claims

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Application Information

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IPC IPC(8): A01N43/54A01N43/08A01P13/00A01G13/00
CPCA01G13/00A01N43/08A01N43/54A01N2300/00
Inventor 罗昌炎詹姆斯.T.布里斯托
Owner JIANGSU ROTAM CHEM
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