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A kind of ternary herbicidal composition containing pendimethalin

A technology of pendimethalin and herbicidal composition, which is applied to the ternary herbicidal composition of flufenacet and diflufenamide, including pendimethalin, and the field of compound herbicidal composition, which can solve the problem of active Not high enough, resistance problems and other problems, to achieve the effect of strong applicability, thermal storage stability and low temperature stability

Active Publication Date: 2018-09-18
NANJING GAOZHENG AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing binary and ternary herbicidal compositions containing pendimethalone flexible components still have resistance problems, and the combined activity is still not high enough

Method used

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  • A kind of ternary herbicidal composition containing pendimethalin
  • A kind of ternary herbicidal composition containing pendimethalin
  • A kind of ternary herbicidal composition containing pendimethalin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] Embodiment 1: 100g pendimethalin, 100g petroleum ether, 15g toluene diisocyanate and 20g styrylphenol polyoxyethylene ether phosphate are mixed to obtain the first mixture; then 20g calcium dodecylbenzenesulfonate Mix 1g of silicone with 200g of water, then mix with the first mixture, and then shear to obtain the first material; the condition of the shear treatment is 12000 rpm, the time is 8 minutes, and the temperature is raised to 50°C for heat preservation reaction 2 hours; 60g flufenacet, 20g diflufenamide and 200g water, 20g calcium dodecylbenzenesulfonate, 1g organic silicon, 30g ethylene glycol and 2g xanthan gum were mixed and then scrubbed to obtain the first Two materials: mixing the first material and the second material to obtain a microcapsule suspension-suspension agent.

Embodiment 2

[0060] Embodiment 2: except that the capsule wall material is diphenylmethane diisocyanate, all the other are the same as embodiment 1;

Embodiment 3

[0061] Embodiment 3: Except that the capsule wall material is 4,4-diphenylmethane diisocyanate, the rest are the same as in Embodiment 1;

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Abstract

The invention relates to a ternary weeding composition. The weeding composition contains pendimethalin, flufenacet and diflufenican as active ingredients, wherein the weight ratio of pendimethalin to flufenacet to diflufenican is (3-5):(3-5):(1-2). Further, a specific oil-soluble capsule material is selected and is prepared into a microcapsule suspension-suspending agent. The ternary weeding composition in a specific ratio respectively shows synergistic effect compared with a unitary single dose and a binary compound composition and is strong in applicability in production practice; the microcapsule suspension-suspending agent has good quick release and slow release effects in performance, and a homogeneous suspension system is formed and is used for carrying out sealed type weeding after planting and before seedling, thereby being more labor-saving and time-saving; and especially, the microcapsule suspension-suspending agent selects a specific oily capsule material and is obtained by adopting a specific preparation method, so that stability, especially heat storage stability and low temperature stability, of the microcapsule suspension-suspending agent are excellent.

Description

technical field [0001] The invention relates to the field of herbicides, in particular to a compound herbicidal composition, in particular to a ternary herbicidal composition comprising pendimethalin, flufenacet and diflufenacet. technical background [0002] Pendimethalin, also known as pendimethalin, or pendimethalin, is an aniline herbicide successfully developed by the American cyanamide company. Pendimethalin is an excellent selective herbicide for upland crops, which can effectively control annual grasses and some annual broad-leaved weeds. It is widely used in corn, soybeans, peanuts, cotton, direct-seeded upland rice, potatoes, tobacco, Vegetables and other crops, control barnyardgrass, crabgrass, foxtail, bluegrass, quinoa, amaranth and other weeds in the field; because pendimethalin has good weeding selectivity and low toxicity to humans and animals, currently two Mevalazine is the third largest herbicide in the world. Its sales volume is second only to glyphosate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/824A01N43/40A01N33/18A01P13/00
CPCA01N33/18A01N43/40A01N43/82A01N2300/00
Inventor 冯乃林汪莘杰汪茂勤王欣欣米春金
Owner NANJING GAOZHENG AGROCHEM
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