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Ternary compound weeding composition water suspending agent

A technology of herbicidal composition and water suspension, which is applied in the field of pesticides, can solve problems such as unfavorable environmental ecological safety, easy resistance problems, and increased risks, and achieve excellent dispersibility, improved weeding effect, and improved weeding effect.

Inactive Publication Date: 2020-04-28
安徽嘉联生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Practice has proved that the long-term use of chemical pesticide single agent is very prone to resistance problems, resulting in continuous increase in dosage and increased risk, which is not conducive to environmental ecological safety

Method used

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  • Ternary compound weeding composition water suspending agent
  • Ternary compound weeding composition water suspending agent
  • Ternary compound weeding composition water suspending agent

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Experimental program
Comparison scheme
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preparation Embodiment

[0020] Based on the formulation of the suspending agent in the applicant's previous application CN107372535A, the organic silicon synergist in the suspension preparation is screened and optimized. The preparation process of the suspending agent in the present invention is: active ingredient, auxiliary agent and water are loaded in the ball mill according to the design feeding amount, carry out ball mill pulverization, put the material (formed slurry) through ball mill pulverization into the sand mill, pass into Cool water, carry out sand grinding and superfine pulverization until the granules are ≤5 μm, and then homogenize the granules through the action of a homogenizer to obtain the suspending agent of the present invention.

[0021] Table 1 Ternary compound composition water suspension formulation

[0022]

[0023] Remarks: The formulation 1 of this application is the same as the suspension formulation 4 in the prior application CN107372535A; 1% of additives Silwet408, S...

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Abstract

The invention provides a ternary compound weeding composition water suspending agent. The ternary compound weeding composition water suspending agent is characterized by comprising active ingredientsand auxiliary materials, wherein the active ingredients consist of clopyralid, picloram and benazolin, and the auxiliary materials comprise a wetting dispersant, an organosilicon synergistic auxiliaryagent, a thickening agent, an organic solvent and water; the wetting dispersant is prepared from sodium lignin sulfonate, SP-27001 and SP-SC29; the organosilicon synergistic auxiliary agent is selected from Silwet 408, Silwet 806, Agrowet 820 or GY-S903; the thickening agent comprises magnesium aluminum silicate and xanthan gum; and the organic solvent is methyl oleate. The weeding composition can be used for preventing and controlling weeds in oilseed rape fields.

Description

Technical field [0001] The invention belongs to the field of pesticides, and specifically relates to a three-component compound herbicidal composition aqueous suspension. Background technique [0002] Rapeseed is my country's largest oil crop, with its annual planting area and total output ranking first in the world. Weeds in rapeseed fields compete with rapeseed for water, fertilizer, light and living space, spread pests and diseases, affect grain quality, and reduce rapeseed yields. The types of weeds in rapeseed fields are relatively complex. In general, weed damage causes a 10% -15% reduction in rapeseed yields. In severe cases, it can cause a 50% yield reduction. Practice has proven that the long-term use of a single dose of chemical pesticides is prone to resistance problems, leading to increasing dosage and increased risks, which is not conducive to environmental and ecological safety. Compounding active ingredients of pesticides with different structural types is c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/40A01N43/78A01N25/04A01P13/00A01N55/10
CPCA01N25/04A01N43/40A01N43/78A01N55/00
Inventor 桂阳龙严肃徐晓莉刘根旺汪徐生
Owner 安徽嘉联生物科技有限公司