Herbicidal composition for cotton fields

A herbicidal composition and a technology for the composition, applied in the field of pesticides, can solve the problems of inhibition of crop growth and high activity, and achieve the effects of obvious synergistic effect, enlarged herbicidal spectrum and good control effect.

Inactive Publication Date: 2011-01-19
HEFEI XINGYU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the activity of this agent is relatively high, and when the dosage is large, it will inhibit the growth of crops, and it is almost ineffective against annual and perennial grass weeds at the early heading stage.

Method used

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  • Herbicidal composition for cotton fields
  • Herbicidal composition for cotton fields
  • Herbicidal composition for cotton fields

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The weight ratio of each component of 35% trifluxysulfuron-hypergatrol emulsifiable concentrate is as follows:

[0018] Trifloxysulfuron 15%,

[0019] High-efficiency grass covering can reach 20%,

[0020] Methanol 10%,

[0021] Dimethyl Sulfoxide 10%,

[0022] Nongru No. 700 10%,

[0023] Nongru No. 500 2%,

[0024] Nongru No. 600 1%,

[0025] Xylene Make up 100%.

[0026] Preparation method: put each material into the reaction kettle at one time, and make it fully mixed and uniform under stirring conditions.

[0027] Report on the efficacy of 35% trifluxysulfuron-Gaichonen EC: Cotton 2-4 leaf stage, weed 2-5 leaf stage application, 30 days after the application, the results of plant control effects are as follows:

[0028]

[0029] The test results show that the herbicidal effect of the combination of trifluxysulfuron-methyl and high-efficiency Gaicao can be higher than that of any single agent in the components, which is beneficial to increase the efficacy ...

Embodiment 2

[0031] The weight ratio of each component of 40% trifluxysulfuron-ethyl quizalofop-p-ethyl wettable powder:

[0032] Trifloxysulfuron 25%,

[0033] Quizalofop-P-ethyl 15%,

[0034] Methylcellulose 5%,

[0035] JFC 3%,

[0036] Diatomaceous earth 52%.

[0037] Preparation method: Mix all materials thoroughly and crush to a certain fineness to obtain wettable powder.

[0038] 40% Trifluxysulfuron-Quizalofop-P-P WP WP efficacy report: Cotton 2-4 leaf stage, weed 2-5 leaf stage application, 30 days after application, the control effect results of investigation plants are as follows:

[0039]

[0040] The test results show that the herbicidal effect of the combination of triflusulfuron-methyl and quizalofop-p-ethyl is higher than that of any single agent in the components, which is beneficial to increase the efficacy of each other and expand the herbicidal spectrum.

Embodiment 3

[0042] The weight ratio of each component of 24% trifluxysulfuron-propetachlor EC:

[0043] Trifloxysulfuron 4%,

[0044] Promethachlor 20%,

[0045] Methanol 10%,

[0046] Dimethyl Sulfoxide 10%,

[0047] Nongru No. 700 8%,

[0048] Nongru No. 500 5%,

[0049] Nongru No. 600 2%,

[0050] Xylene Make up 100%.

[0051] Preparation method: Put all the materials into the reaction kettle respectively, and dissolve them fully under the condition of stirring.

[0052] The drug efficacy report of 24% trifluxysulfuron-promethachlor EC: sugarcane 2-4 leaf stage, weeds 2-5 leaf stage application, 30 days after the application, the control effect results of the surveyed plants are as follows:

[0053]

[0054] The test results show that the herbicidal effect of trifluxysulfuron-propetachlor mixed is higher than that of any single agent in the components, which is beneficial to increase the efficacy of each other, and has no antagonistic effect.

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PUM

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Abstract

The invention discloses a herbicidal composition for cotton fields, and the composition comprises a component (a) and a component (b), wherein component (a) is trifloxysulfuron, and component (b) is at least one of haloxyfop-R-methyl, quizalofop-p-ethyl, fluazifop-p-butyl and clethodim; and the weight ratio of the component (a) to the component (b) is 1:40-70:1. The herbicidal composition for the cotton fields can not only prevent and treat most of broadleaf weeds and part of arbor weeds, but also prevent and remove annual and perennial grassy weeds, has special effect for cyperaceae weeds and nugrass flatsedge, good prevention and removal effects and obvious synergy, and can effectively expand the weed controlling spectrum.

Description

technical field [0001] The invention relates to a herbicide composition for cotton fields, which belongs to the technical field of pesticides. Background technique [0002] Cotton is one of the main economic crops in my country. It is mainly distributed in the Jianghuai Plain, Jianghan Plain, southern Xinjiang cotton area, Central Hebei, South Shandong, Northwest Henan, and the lower reaches of the Yangtze River. Research on effectively targeting cotton crop weeds is one of the main directions to improve cotton yield. [0003] Trifloxysulfuron-methyl is one of the main herbicides for cotton crops, and its mechanism of action is to inhibit the biological activity of acetolactate synthase (ALS) in weeds, thereby killing weeds. Weeds show cessation of growth, chlorosis, death of apex fissures, followed by death within 1-3 weeks. It can control most broadleaf weeds and some tree weeds. However, this agent has high activity, and when used in a large amount, it can inhibit the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/40A01N43/60A01N35/10A01N37/26A01P13/00
Inventor 赵邦斌鲍恩付李文涛洪鹏达赵国霞
Owner HEFEI XINGYU CHEM
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