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Weeding composition for paddy field and application thereof

A herbicidal composition, a technology for paddy fields, applied in the directions of application, herbicides, algicides, biocides, etc., to achieve the effects of expanding the herbicidal spectrum, obvious synergistic effect, and reducing the amount of pesticides used

Inactive Publication Date: 2017-05-31
江苏省苏科农化有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Reasonable compounding of herbicides is an effective method to improve the control effect, expand the herbicide spectrum, delay the speed of weed community succession, reduce the use cost and reduce the herbicide residue. The compounding of azimidone has not been reported yet

Method used

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  • Weeding composition for paddy field and application thereof
  • Weeding composition for paddy field and application thereof
  • Weeding composition for paddy field and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 165

[0021] Example 1 65% butachlor · chlorpyrazosulfuron · oxazicone oil suspension

[0022] The dosage form of the herbicidal composition of the present embodiment is an oil suspension concentrate, which consists of the following components in weight percentage: 50% butachlor, 5% chlorpyrazosulfuron-methyl, 10% oxaziclozone, wetting agent fatty alcohol Polyoxyethylene ether 2%, dispersant alkylnaphthalene sulfonate formaldehyde condensate 2%, emulsifier polyethylene glycol fatty acid ester 4%, thickener organic bentonite 0.8%, defoamer polydimethylsiloxane Alkanes 0.2%, make up to 100% with liquid carrier epoxidized soybean oil.

[0023] Butachlor, chlorpyrazosulfuron and oxaziclozone in the above components are active components, and emulsifiers, wetting agents, dispersants, defoamers and thickeners are auxiliary agents.

[0024] The preparation method is: according to the above formula, add the three active components, wetting agent, dispersant, emulsifier, thickener, defoamer...

Embodiment 2

[0027] Example 2 50% butachlor · chlorpyrazosulfuron · oxaziclozone water dispersible granules

[0028] The dosage form of the herbicidal composition of the present embodiment is water dispersible granule, and is made up of following percentage by weight: butachlor 10%, chlorpyrazosulfuron-methyl 10%, oxaziclozone 30%, wetting agent is alkyl naphthalene 2% sulfonate, 8% alkylnaphthalene sulfonate formaldehyde condensate as dispersant, 0.5% sodium carboxymethyl starch as disintegrant, 100% supplemented by solid carrier corn starch.

[0029] Among the above components, butachlor, chlorpyrazosulfuron and oxaziclozone are active components, and wetting agent, dispersant and disintegrating agent are auxiliary agents.

[0030] Preparation method: According to the above formula, the active ingredient is crushed into a powder with a particle size of ≤500 microns, and then the active ingredient, additives and solid carrier are mixed and stirred evenly, and the powder with a particle si...

Embodiment 3

[0033] Example 3 50% butachlor · chlorpyrazosulfuron · oxazicone wettable powder

[0034] The dosage form of the herbicidal composition of the present embodiment is a wettable powder, consisting of the following components by weight: 20% butachlor, 10% chlorpyrazosulfuron-methyl, 20% oxaziclozone, and the wetting agent is fat Alcohol polyoxyethylene ether 2%, dispersant lignosulfonate 8%, supplemented to 100% with solid carrier diatomaceous earth.

[0035] Among the above components, butachlor, chlorpyrazosulfuron and oxaziclozone are active components, and wetting agent and dispersant are auxiliary agents.

[0036] According to the above formula, the active ingredient is coarsely crushed into a powdery object with a particle size of ≤500 microns for use, and then the active ingredient, additives and solid carrier are mixed and stirred evenly, and a mixture with a particle size of ≤44 microns is prepared by jet milling The mixed material is the wettable powder of the herbicid...

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Abstract

The invention relates to a weeding composition for a paddy field and application thereof. The composition is prepared from an active component, an auxiliary and a carrier, wherein the active component is prepared by compounding butachlor, halosulfuron methyl and oxaziclomefone. The weeding composition for a paddy field is used for controlling annual weeds in the paddy field, has an obvious control effect better than the control effect of a single agent, and has the advantages of wide weeding spectrum, delay of chemical resistance, time saving, labor saving and the like.

Description

technical field [0001] The invention relates to the field of pesticide preparations, in particular to a paddy field herbicidal composition obtained by compounding butachlor, chlorpyrazosulfuron-methyl and oxazicone and its application. Background technique [0002] Butachlor is an amide selective systemic herbicide. The pure product is light yellow oily liquid with slight aroma. Insoluble in water, easily soluble in various organic solvents. It is chemically stable at room temperature and under neutral and slightly alkaline conditions. Its decomposition will be accelerated under strong acid conditions, and it can be degraded in soil. Low toxicity to humans and animals, irritating to skin and eyes, highly toxic to fish. Butachlor is mainly absorbed by the young shoots of weeds and then transmitted to the whole plant to work. Both pre-emergence and seedling stages can be used. Its mechanism of action is that after the plant absorbs butachlor, it inhibits and destroys pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/86A01N37/26A01P13/00
CPCA01N47/36A01N37/26A01N43/86A01N2300/00
Inventor 明亮邱光孙以文储西平沈素文陆凡
Owner 江苏省苏科农化有限责任公司
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