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Composition of weed killer in cotton field

A composition and herbicide technology, applied in the directions of herbicides and algaecides, biocides, biocides, etc., can solve the problems of long safety interval, impact on subsequent crops, long residual effect period, etc., and achieve no three-waste discharge. , long lasting effect, small environmental and ecological impact

Active Publication Date: 2013-07-24
江苏省农用激素工程技术研究中心有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its residual effect period is longer, which has a certain impact on some subsequent crops, making the safety interval longer

Method used

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  • Composition of weed killer in cotton field
  • Composition of weed killer in cotton field
  • Composition of weed killer in cotton field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1）

[0017] The dosage form of the cotton field herbicide composition of the present embodiment is a wettable powder, consisting of the following components by weight: 2 parts by weight of trifluxasulfuron-methyl sodium salt, 18 parts by weight of carfentrazone-ethyl, 2 parts by weight of Sorbitan fatty acid polyoxyethylene ether as a wetting agent, 2 parts by weight of polymeric sodium carboxylate as a dispersant, 66 parts by weight of clay as a carrier, and 10 parts by weight of white carbon black as a carrier. The parts by weight of each component listed above are also called formulas. In the above components, both carfentrazone-ethyl and trifluxysulfuron-methyl sodium salt are active components, and the wetting agent and dispersant are both auxiliary agents.

[0018] The above-mentioned pyrentrazone-ethyl and trifluxysulfuron-methyl sodium salt as the active components are all from Jiangsu Agricultural Hormone Engineering Technology Research Center Co., Ltd., and the purity mee...

Embodiment 2）

[0021] The dosage form of the cotton field herbicide composition of the present embodiment is still a wettable powder, and the remainder of the wettable powder is the same as in Example 1, except that the proportioning of each component described is: 20 parts by weight of Trifloxysulfuron-methyl sodium salt, 20 parts by weight of pyrentrazone-ethyl, 3 parts by weight of sorbitan fatty acid polyoxyethylene ether as a wetting agent, 5 parts by weight of polymeric sodium carboxylate as a dispersant, 40 parts by weight Clay as carrier and 12 parts by weight of white carbon black as carrier.

[0022] The preparation method is the same as in Example 1.

Embodiment 3）

[0024] The dosage form of the cotton field herbicide composition of the present embodiment is a water-dispersible granule, which consists of the following components by weight: 6 parts by weight of trifluxysulfuron-methyl sodium salt, 19 parts by weight of carfentrazone-ethyl, 2 parts by weight Parts of sorbitan fatty acid polyoxyethylene ether as a wetting agent, 4 parts by weight of sodium lauryl sulfate as a dispersant, 1 part by weight of urea as a disintegrant, 56 parts by weight of clay as a carrier, and 12 parts by weight of white carbon black as a carrier. The parts by weight of each component listed above are also called formulas. In the above-mentioned components, both carfentrazone-ethyl and trifluxysulfuron-methyl sodium salt are active components, and wetting agents, dispersants and disintegrating agents are all auxiliary agents.

[0025] The sources of the above-mentioned carfentrazone-ethyl, trifloxysulfuron-methyl sodium salt, sorbitan fatty acid polyoxyethyle...

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Abstract

The invention discloses a composition of a weed killer in a cotton field, consisting of an active component, an auxiliary agent and a carrier, wherein the active component consists of trifloxysulfuron sodium salt and carfentrazone-ethyl; the weight ratio of the trifloxysulfuron sodium salt to the carfentrazone-ethyl is (1:50)-(50:1); and the weight of the active component is 5%-90% of the total weight of the composition. The preparation formulation of the composition is a wettable powder agent, a water dispersible granule or a suspending agent. The composition of the weed killer in the cottonfield has the advantages that the weed killing spectrum is wide, the activity is high, the use amount is less, the cost is low, the influence on the environment and ecology is less, and the synergistic effect is good and the like.

Description

technical field [0001] The invention relates to a herbicide, in particular to a cotton field herbicide composition. Background technique [0002] Cotton is an important economic crop in my country. Its planting area and output rank among the top in the world. It has a planting history of more than 2,000 years in my country. With the development of the economy, the application of herbicides is becoming more and more extensive. At present, there are many types of herbicides in cotton fields, but the application is also chaotic. Some herbicides have poor control effects, and some control effects are good, but they are easy to cause phytotoxicity to cotton. At present, the existing herbicides for cotton fields include 33% cotton grass Ning, 51% cotton grass spirit, Zhuangmiao weedkiller, 28.6% fluoride-ethyl mixture, 37% Zaografyl and so on. However, these herbicides are not effective as post-emergence treatments of perennial weeds, especially broadleaf weeds. [0003] Mefent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/36A01N43/653A01P13/00
Inventor 孔繁蕾张慧
Owner 江苏省农用激素工程技术研究中心有限公司
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