Weeding composition containing isoxaflutole, nicosulfuron and halosulfuron-methyl

A technology of isoxaflutole and chlorpyrazosulfuron-methyl, applied in the field of pesticide herbicide composition and its application, can solve the problem of incomplete control of sedge weeds, poor control effect of gramineous weeds, and broad-leaved weeds Poor control effect and other problems, to delay weed resistance, improve control effect and reduce pollution

Inactive Publication Date: 2017-04-26
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] When isoxaflutole, nicosulfuron and chlorpyrazosulfuron are used alone to control weeds in cornfields, there is a single herbicidal spectrum, and they cannot completely control broadleaf weeds, gramineous weeds and sedge weeds at the same time A variety of weeds and weeds are prone to defects such as drug resistance; when the binary compound of isoxaflutole and nicosulfuron controls weeds in cornfields, although it has a better control effect on gramineous weeds and broad-leaved weeds However, there is still the defect of incomplete control of Cyperaceae weeds; when isoxaflutole and chlorpyrazosulfuron-methyl binary compound control weeds in cornfields, although it is effective against broad-leaved w

Method used

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  • Weeding composition containing isoxaflutole, nicosulfuron and halosulfuron-methyl
  • Weeding composition containing isoxaflutole, nicosulfuron and halosulfuron-methyl
  • Weeding composition containing isoxaflutole, nicosulfuron and halosulfuron-methyl

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0032] Example 1: 3% Isoxaflutole·Nicosulfuron·Chlorpyrimesulfuron-methyl water suspension

[0033] Isoxaflutole 1%, nicosulfuron 1%, chlorpyrisulfuron 1%, methylene dinaphthalene sulfonate (dispersant) 8%, sodium lauryl sulfate (wetting agent) 6% , Kasong Kaisong (preservative) 0.3%, C 10-20 Saturated fatty acid compound (defoamer) 0.2%, xanthan gum (thickener) 1.5%, glycerol (antifreeze) 3%, deionized water to make up 100%. The above-mentioned materials are mixed in proportion, uniformly dispersed by high-speed shear, and sanded in a sand mill to obtain 3% isoxaflutole·nicosulfuron·chlorpyrisulfuron-methyl water suspension.

Example Embodiment

[0034] Example 2: 22% isoxaflutole·nicosulfuron·chlorpyrisulfuron oil suspension

[0035] Isoxaflutole 1%, Nicosulfuron 10%, Chlorpyrisulfuron 10%, Castor oil polyoxyethylene ether (emulsifier) ​​5%, Polymethyl acrylate (emulsifier) ​​10%, Methylene Sodium dinaphthalene sulfonate formaldehyde condensate (dispersant) 7%, carboxyethyl cellulose (thickener) 1%, methyl oleate makes up 100%. The above-mentioned materials are mixed in proportion, uniformly dispersed by high-speed shearing, and sanded in a sand mill to obtain 22% isoxaflutole·nicosulfuron·chlorpyrisulfuron-methyl oil suspension.

Example Embodiment

[0036] Example 3: 40% Isoxaflutole·Nicosulfuron·Chlorpyrimuron-methyl Water Dispersible Granules

[0037] Isoxaflutole 20%, nicosulfuron 10%, chlorpyrisulfuron 10%, naphthalenesulfonate (wetting agent) 10%, polyoxyethylene polyoxypropylene block copolymer (dispersant) 15% , Low-substituted hydroxypropyl cellulose (disintegrant) 5%, diatomaceous earth makes up 100%. The above-mentioned materials are mixed according to the proportion, and are crushed and mixed uniformly by airflow, kneaded and granulated, and dried and sieved to obtain 40% isoxaflutole·nicosulfuron·chlorpyrisulfuron-methyl water dispersible granules.

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Abstract

The invention discloses a weeding composition containing isoxaflutole, nicosulfuron and halosulfuron-methyl; effective active ingredients comprise isoxaflutole, nicosulfuron and halosulfuron-methyl, and the weight ratio of isoxaflutole to nicosulfuron to halosulfuron-methyl is (1-40) to (1-20) to (1-20). The weeding composition is mainly applied for preventing and removing weeds in corn fields, has the weeding effect significantly improved compared with that of single use or binary combination use of single agents, expands weeding spectra, has long lasting period, and is safe to corn. After ternary complexing of isoxaflutole, nicosulfuron and halosulfuron-methyl, the weeding composition has remarkable synergetic effects, can reduce the pesticide dosage of the single agents, reduces the use cost, alleviates the pollution of the environment, delays drug resistance generation of weeds and increases the service life of pesticides.

Description

technical field [0001] The present invention relates to pesticide herbicidal composition and application field thereof, specifically a kind of herbicidal composition with isoxaflutole, nicosulfuron-methyl and chlorpyrazosulfuron-methyl as effective active ingredients. Control of weeds in cornfields. Background technique [0002] Isoxaflutole (isoxaflutole): belongs to the herbicide class of p-hydroxyphenylpropionate dioxygenase inhibitors, has soil activity and early post-emergence stem and leaf herbicidal activity. The agent has outstanding control effects on broad-leaved weeds such as velvetleum, quinoa, purslane, reflexa, amaranth, cocklebur, chickweed, sorrel leaf Polygonum and other weeds. Weeds such as crabgrass, goosegrass, stephenia, foxtail and other weeds have a strong inhibitory effect, but they cannot completely kill them. [0003] Nicosulfuron: a systemic herbicide belonging to the sulfonylurea class, which can control annual and perennial grass weeds and some...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01N43/80A01P13/00
CPCA01N43/80A01N47/36A01N2300/00
Inventor 张志伟陈佛祥朱刚吴泽伟王礼文
Owner GUANGDONG ZHONGXUN AGRI TECH
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