Weeding composition containing halosulfuron-methyl and florasulam

A technology of dioxsulam and chlorpyrifosulfuron is applied in the directions of herbicides, algaecides, biocides, animal repellents, etc. related reports on amine compounding, etc., to achieve the effects of wide range of use, flexible compounding ratio, and reduced phytotoxicity

Active Publication Date: 2013-02-20
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

[0008] So far, no relevant reports have been found on the compounding of chlorpyrazosulfuron-methyl and florasulam

Method used

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  • Weeding composition containing halosulfuron-methyl and florasulam
  • Weeding composition containing halosulfuron-methyl and florasulam
  • Weeding composition containing halosulfuron-methyl and florasulam

Examples

Experimental program
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Effect test

experiment example ）

[0033] Greenhouse potting method was used to measure the activity of the mixture of chlorpyrazosulfuron-methyl and florasulam on weeds (in this experiment example, weeds are taken as an example), and compared with chlorpyrazosulfuron-methyl and florasulam, The active ingredient was treated with 0.1% Tween-80 aqueous solution.

[0034] Use a plastic nutrient bowl with a diameter of 9 cm, which contains air-dried top soil collected from the farmland, and keep the soil moist by supplying water from the bottom, sow weed seeds with full and uniform grains, and cover the soil with 0.5 cm. There are 15 weeds in the pot, and when the pig scorpion grows to the 2-leaf stage, spray in the PWT-510 spray tower (the precise spray area is 0.02m 2 ), spray 10ml of liquid medicine, and control spray 0.1% Tween-80 aqueous solution. Eighteen days after the treatment, the fresh weight of the aboveground part of the weeds was weighed, and the control effect of the fresh weight was calculated, and...

Embodiment 1）

[0040] The dosage form of the herbicidal composition of the present embodiment is a wettable powder, consisting of the following components by weight: 12.5 parts by weight of chlorpyrazosulfuron-methyl, 6.25 parts by weight of florasulam, 2 parts by weight of Sodium lauryl sulfate as a wetting agent, 2 parts by weight of lignosulfonate as a dispersant, and 77.25 parts by weight of kaolin as a solid carrier. The parts by weight of each component listed above are also called formulas. Clorazosulfuron-methyl and florasulam in the above components are active components, and wetting agent and dispersant are auxiliary agents.

[0041] The above-mentioned chlorpyrazosulfuron-methyl and florasulam as the active components are all from Jiangsu Agricultural Hormone Engineering Technology Research Center Co., Ltd., and the purity meets the relevant quality requirements. The above-mentioned sodium lauryl sulfate as a wetting agent comes from Japan Takemoto Oil Co., Ltd., and the product ...

Embodiment 2）

[0044] The dosage form of the herbicidal composition of the present embodiment is still a wettable powder, which is composed of the following components by weight: 25 parts by weight of chlorpyrazosulfuron-methyl, 6.25 parts by weight of florasulam, 2 Parts by weight of sodium laureth sulfate as a wetting agent, 4 parts by weight of lignosulfonate as a dispersant, and 62.75 parts by weight of kaolin as a solid carrier.

[0045] The above-mentioned sodium lauryl alcohol polyoxyethylene ether sulfate used as a wetting agent comes from Japan Takemoto Oil Co., Ltd., and the product code is Pionin A-28, and the sources of other components are the same as in Example 1.

[0046] The preparation method is the same as in Example 1.

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Abstract

The invention discloses a weeding composition containing halosulfuron-methyl and florasulam. The weeding composition comprises active components, auxiliaries and a carrier, wherein the active components include halosulfuron-methyl and florasulam at a weight ratio of (1:50)-(50:1), and the weight of the active components accounts for 1-90% of the total weight of the composition; the auxiliaries include a wetting agent, a dispersing agent, a disintegrating agent, an adhesive, an emulsifier, a thickening agent, an antifoaming agent and the like; the carrier is a solid carrier or a liquid carrier; and the dosage form of the composition is wettable powder, water dispersible granules or oil suspension. The weeding composition disclosed by the invention realizes obvious synergy, expands the weeding spectrum and improves the safety to crops; and compared with the single dosage with equivalent efficacy, the dosage of active components is reduced, thus the cost is lowered. The weeding composition disclosed by the invention can prevent and remove various weeds in a wheat field and the like, and a new variety is provided for the wheat field weeding of the country.

Description

technical field [0001] The invention relates to a herbicide, in particular to a herbicidal composition containing closulfuron-methyl and florasulam. Background technique [0002] The chemical name of clopyrazosulfuron-methyl (CAS No. 100784-20-1) is: 3-chloro-5-(4,6-dimethoxypyrimidin-2-ylaminocarbonylaminosulfonyl)-1-methyl Methylpyrazole-4-carboxylate. The structural formula is as follows: [0003] [0004] It is a sulfonylurea herbicide, which can be used in various crops and non-crops such as wheat, corn, rice, etc. It has a wide herbicidal spectrum, low dosage and high activity. Its high price limits its promotion and application. [0005] The chemical name of florasulam (CAS No. 145701-23-1) is: 2',6'-difluoro-5-methoxy-8-fluoro[1,2,4]triazolo[1 ,5-c] pyrimidine-2-sulfonanilide. The structural formula is as follows: [0006] [0007] Flusulam is a triazolopyrimidine sulfonamide herbicide, which is safe to use and has a very low dosage of about 3-10g active ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/90A01N25/32A01P13/00
Inventor 孔繁蕾张慧向家来
Owner 江苏省农用激素工程技术研究中心有限公司
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