Weeding composition, preparation and preparation method and application thereof

A herbicidal composition and herbicide technology, applied in the field of pesticides, can solve the problems of easy drug resistance and insufficient herbicidal spectrum, achieve good physical stability, improve weeding effect, and control growth

Active Publication Date: 2021-02-09
NANTONG JIANGSHAN AGROCHEM & CHEM LIMITED LIABILITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The herbicide varieties containing a single active ingredient have different degrees of defects in the agricultural weeding process: continuous use is easy to produce resistance, the herbicidal spectrum is not wide enough, and it can only control monocotyledonous or dicotyledonous weeds, or can only control emerging weeds. Weeds or unemerged weeds cannot be controlled at the same time

Method used

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

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preparation example Construction

[0064] Among the present invention, the preparation method of described herbicide suspoemulsion comprises the following steps:

[0065] (1) Mix and emulsify the A active component, solvent, emulsifier and at least one third of water to obtain a water emulsion;

[0066] (2) Mix the B active component, the dispersing wetting agent and the remaining water, and scrub to obtain a suspending agent;

[0067] (3) Mix the aqueous emulsion and suspending agent, add thickener, preservative, antifreeze and defoamer, and mix well to get ready.

Embodiment 1

[0071] Embodiment 1 provides a kind of herbicide suspoemulsion, the preparation raw material of described herbicide suspoemulsion, by weight percentage, comprises the following components: herbicide composition 35%, solvent 10%, emulsifier 6%, wet dispersion 9% antifreeze, 3% antifreeze, 0.12% thickener, 0.2% preservative, 0.2% defoamer, 100% water;

[0072] The herbicidal composition is a combination of flumeconazole and butachlor, with a weight ratio of 1:6; the solvent is cyclohexanone; the emulsifier is castor oil polyoxyethylene ether, purchased from Wenzhou Qingming Chemical Co., Ltd. company, model EL20; the wetting and dispersing agent is a combination of polycarboxylate and lignosulfonate, with a weight ratio of 1:1.1; the polycarboxylate was purchased from Beijing Guangyuan Yinong Chemical Co., Ltd., model GY-D800; the lignosulfonate is purchased from Beijing Guangyuan Yinong Chemical Co., Ltd., model GY-LDS; the thickener is xanthan gum; the preservative is sodium n...

Embodiment 2

[0078] Embodiment 2 provides a kind of herbicide suspoemulsion, the preparation raw material of described herbicide suspoemulsion, by weight percentage, comprises the following components: herbicide composition 20%, solvent 5%, emulsifier 3%, wet dispersion 5% antifreeze, 0.5% antifreeze, 0.01% thickener, 0.05% preservative, 0.05% defoamer, 100% water;

[0079] The herbicidal composition is a combination of methazazole and butachlor, with a weight ratio of 1:0.02; the solvent is cyclohexanone; the emulsifier is castor oil polyoxyethylene ether, purchased from Wenzhou Qingming Chemical Co., Ltd. company, model EL20; the wetting and dispersing agent is a combination of polycarboxylate and lignosulfonate, with a weight ratio of 1:0.5; the polycarboxylate was purchased from Beijing Guangyuan Yinong Chemical Co., Ltd., model GY-D800; the lignosulfonate is purchased from Beijing Guangyuan Yinong Chemical Co., Ltd., model GY-LDS; the thickener is xanthan gum; the preservative is sodi...

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Abstract

The invention relates to the technical field of pesticides, in particular to a weeding composition, a preparation and a preparation method and application thereof. According to the weeding composition, the weeding composition comprises an active component A and an active component B, the active ingredient A is saflufenacil; and the active component B is selected from at least one of butachlor, pretilachlor, acetochlor, metolachlor, anilofos, pendimethalin, butralin, benthiocarb, bensulfuron methyl, pyrazosulfuron methyl and cyclosulfamuron. The weight ratio of the active component A to the active component B is 1: (0.02-50). The weeding composition provided by the invention can be used after rice sowing and before seedling, and can effectively control the growth of weeds, reduce the dosageand cost, improve the weeding effect and delay the generation of resistance; meanwhile, by optimizing the auxiliary agent, the prepared suspoemulsion has relatively good physical stability.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a herbicidal composition, preparation, preparation method and application thereof. Background technique [0002] The herbicide varieties containing a single active ingredient have different degrees of defects in the agricultural weeding process: continuous use is easy to produce resistance, the herbicidal spectrum is not wide enough, and it can only control monocotyledonous or dicotyledonous weeds, or can only control emerging weeds. Weeds or unemerged weeds cannot be controlled at the same time. Through the compounding of two or more active components, the control effect can be improved, the usage of active components can be reduced, the cost of control can be saved, the emergence of weed resistance can be delayed, the service life of the pesticide can be extended, and the pollution to the environment can be reduced. [0003] Benaconazole, chemical name: 3-(2-chloro-4-fluoro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/80A01N37/26A01N25/04A01P13/00
CPCA01N43/80A01N37/26A01N25/04
Inventor 李丹丹许映蓉董垒赵文磊杨煜李璟贲震东吴金泉蒋阳阳
Owner NANTONG JIANGSHAN AGROCHEM & CHEM LIMITED LIABILITY
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