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Weeding composition, application thereof and weeding preparation

A technology of herbicide composition and preparation, which is applied in the field of pesticides, and can solve problems such as large herbicide dosage endangering soil safety, reduced harvest, unsatisfactory weeding effect, etc.

Active Publication Date: 2016-03-02
HEFEI XINGYU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In recent years, with the large-scale promotion of peanuts, stubborn weeds such as foxtail, purslane and wild oats have become the main factors affecting the yield of peanuts. The large amount of commercially available herbicides endangers soil safety, and the weeding effect is not ideal or even ineffective, reducing the harvest.

Method used

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  • Weeding composition, application thereof and weeding preparation
  • Weeding composition, application thereof and weeding preparation
  • Weeding composition, application thereof and weeding preparation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The preparation of embodiment 1 herbicide preparation

[0034] 16wt% quizofiryl fomesafen EC: 8wt% quizofiryl, 8wt% fomesafen, 10wt% emulsifier, solvent supplement; the emulsifier is alkylphenol formaldehyde resin polyoxyethyl ether; Described solvent is 200# solvent naphtha. Mix the above-mentioned materials uniformly according to the proportion to obtain 16 wt% quizofofuryl fomesafen emulsifiable concentrate.

Embodiment 2

[0035] Embodiment 2 herbicide preparation

[0036]21wt% quizofofryl fomesafen water dispersible granules: 20wt% quizofofryl, 1wt% fomesafen, 10wt% dispersant, 8wt% wetting agent, filler supplement; the dispersant is fatty acid poly Oxyethylene ester; the wetting agent is sodium lauryl sulfate; the filler is bentonite and white carbon black. The above-mentioned materials are mixed in proportion, crushed, granulated, dried and sieved to obtain 21wt% quizofofr-fomesafen water-dispersible granules.

Embodiment 3

[0037] Embodiment 3 herbicide preparation

[0038] 16wt% quizofofuryl fomesafen aqueous suspension: 15wt% quizofiryl, 1wt% fomesafen, 5wt% dispersant, 15wt% emulsifier, 5wt% antifreeze, 2wt% thickener, 0.2wt% defoamer, 2wt% filler, remaining deionized water to make up; the dispersant is sodium naphthalene sulfonate formaldehyde condensate; the emulsifier is alkylphenol formaldehyde resin polyoxyethyl ether; the antifreeze The agent is ethylene glycol; the thickener is xanthan gum; the defoamer is a C10-C20 saturated fatty acid compound; the filler is bentonite and white carbon black. The above-mentioned materials were mixed uniformly according to the proportion to obtain 16 wt% quizofofr and fomesafen aqueous suspension.

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Abstract

The invention provides weeding composition. The weeding composition comprises quizalofop-P-tefuryl and fomesafen, wherein the mass ratio of quizalofop-P-tefuryl to fomesafen is (1-30): (1-30). The invention further provides an application of the weeding composition in the peanut field. The effective active ingredients, namely, quizalofop-P-tefuryl and fomesafen, of the weeding composition have a good supplementary effect in the range and have a synergistic effect, and the weeding composition has a better control effect than that of a single chemical preparation and is harmless to the environment.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a herbicidal composition, its application and herbicidal formulation. Background technique [0002] Setaria Bacao, also known as Setaria, belongs to Gramineae. Setaria is an annual herb with whisker-like roots, tall plants with supporting roots, erect culms or genuflected bases, 10-100 cm high, and 3-7 mm base diameter; leaf sheaths are loose, glabrous or sparsely pilose or Verrucous, with longer densely pilose cilia on the margin. Setaria grows in the wilderness and roadsides below 4000 meters above sea level, and is a common weed in dryland crops. [0003] Purslane, an annual herb, the whole plant is glabrous; the stems are recumbent or reclining, spreading on the ground, multi-branched, cylindrical, 10-15 cm long, light green or dark red, the stems are purplish red, and the leaves are alternate, sometimes Subopposite, flat, thick, obovate, horsetooth-like, 1-3 cm long, 0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/60A01P13/00A01N41/06
CPCA01N41/06A01N43/60A01N2300/00
Inventor 许岳王传品徐庆庆刁正华张明超赵国霞胡晓明
Owner HEFEI XINGYU CHEM
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