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A kind of cornfield compound herbicide composition

A herbicidal composition and a technology for corn fields, applied in the field of pesticides, can solve the problems of poor control effect and the like, and achieve the effects of improving the herbicidal effect, increasing the speed of weeding, and delaying drug resistance.

Active Publication Date: 2021-07-09
孟州传奇生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the control effect on iron amaranth and some grass weeds is poor

Method used

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  • A kind of cornfield compound herbicide composition
  • A kind of cornfield compound herbicide composition
  • A kind of cornfield compound herbicide composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: 30% fenflumezone·flucarbazone-methyl·mesotrione water dispersible granules

[0020] Weigh 1% fentrazone, 5% flucarbazone, 24% mesotrione, 6% alkylphenol polyoxyethylene ether, 8% fatty alcohol sodium sulfate, 5% ammonium sulfate, 3% hydroxyethyl Make up cellulose and diatomaceous earth to 100%, mix evenly and pass through the jet mill, the fineness of the material exceeds 325 mesh sieve, then mix and stir the material again in the mixer, add appropriate amount of water to granulate, and dry to obtain 30 % Mesotrione · Flucarbazone · Mesotrione Water Dispersible Granules.

Embodiment 2-4

[0022] Composition 45%WDG 58%WDG 70%WDG oxaflumezone 3 3 6 Flucarbazone 10 15 20 Mesotrione 32 40 44 D 4 6 5.5 Dispersant 5 4 4 disintegrant 4 4.5 3.5 binder 2 3 2.5 carrier Top up to 100% Top up to 100% Top up to 100%

[0023] Wetting agent in embodiment 2-4 is alkylphenol polyoxyethylene ether, sodium lauryl sulfate, sodium dodecylbenzenesulfonate, fatty alcohol polyoxyethylene ether, nonylphenol polyoxyethylene ether, octylphenol One or more of polyoxyethylene ethers; the dispersant is lignin and its derivative sulfonate, fatty alcohol sodium sulfate, naphthalene and alkylnaphthalene sulfonate formaldehyde condensate (dispersant NNO, dispersant MF, etc.), alkylphenol polyoxyethylene ether phosphate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate; the disintegrant is sodium sulfate, sodium nitrate, sodium chloride, One or more of ammonium sulfate, etc.; the binder is one ...

Embodiment 5

[0024] Example 5: 20% fentrazone-flucarbazone-methyl-mesotrione wettable powder

[0025] Weigh 2% fentrazone, 2% flucarbazone, 16% mesotrione, 4% octylphenol ethoxylate, 7% sodium lignosulfonate, 4% white carbon black, and kaolin to make up to 100%, stirred and mixed through the jet mill, the material fineness passed 325 mesh sieve. Then, the materials were mixed and stirred again in the mixer to obtain 20% fenflumezone-tricarbazone-methyl-mesotrione wettable powder.

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PUM

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Abstract

The invention discloses a compound herbicide composition for cornfields. The active ingredients of the composition are oxentrazone, flucarbazone-methyl and mesotrione, and the weight ratio is oxaflumezone: flucarbazone-methyl: mesotrione Sulcotrione=1-9:1-25:1-64, the weight percentage of active ingredients in the composition is 4-85%. The compound herbicidal composition can be prepared into conventional dosage forms such as wettable powder, water dispersible granule, emulsifiable concentrate, dispersible oil suspension concentrate, etc. The herbicidal composition of the present invention can simultaneously prevent and control various weeds in the cornfield, significantly improving the It has the control effect on weeds in the corn field, the dosage of active ingredients is small, the use cost is low, and it is safe to corn and subsequent crops. It is an ideal herbicide.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a herbicide composition for controlling annual weeds in cornfields with fenflutrazone, flucarbazone-methyl and mesotrione as active ingredients. Background technique [0002] Corn is one of the main food crops in our country. The area of ​​corn is widely planted, and weeds in cornfields are common and various. Weeds in cornfields mainly include broad-leaved weeds such as retroflexus, quinoa, bindweed, black nightshade, amaranth, velvetleaf, purslane, cocklebur, commelina, cow chickweed, etc.; grass weeds Such as barnyardgrass, crabgrass, foxtail, goosegrass, etc. Cyperaceae weeds such as Cyperus cyperus. The existence of weeds seriously affects the normal growth of corn seedlings, and may even cause yield reduction. At present, the varieties of herbicides in cornfields include atrazine, alachlor, acetochlor, metolachlor, nicosulfuron, and triflux Ling, 2,4-D, etc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/38A01N43/80A01N41/10A01P13/00
CPCA01N41/10A01N43/80A01N47/38
Inventor 王玉峰司永兵林永朋禹文静
Owner 孟州传奇生物科技有限公司