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Weeding composite containing halosulfuron-methyl and bispyribac-sodium

A technology of chlorpyrifosulfuron and herbicidal composition, which is applied in the directions of herbicides, algaecides, biocides, animal repellents, etc. Related reports, easy to cause phytotoxicity and other problems, to achieve the effect of delaying the succession speed, small environmental impact, and controlling drug resistance

Active Publication Date: 2013-07-17
江苏省农用激素工程技术研究中心有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it is more sensitive to some rice varieties and is likely to cause phytotoxicity
[0008] So far, there is no report about the combination of chlorpyrazosulfuron-methyl and bispyribac

Method used

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  • Weeding composite containing halosulfuron-methyl and bispyribac-sodium
  • Weeding composite containing halosulfuron-methyl and bispyribac-sodium
  • Weeding composite containing halosulfuron-methyl and bispyribac-sodium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1）

[0028] The dosage form of the herbicidal composition of this embodiment is a wettable powder, which is composed of the following components by weight: 5 parts by weight of chlorpyrazosulfuron-methyl, 20 parts by weight of bispyribac, 2 parts by weight of Alkylnaphthalene sulfonate as a wetting agent, 2 parts by weight of lignosulfonate as a dispersant, and 71 parts by weight of diatomaceous earth as a solid carrier.

[0029] The above-mentioned chlorpyrazosulfuron-methyl and bispyribac-methyl as the active components all come from Jiangsu Agricultural Hormone Engineering Technology Research Center Co., Ltd., and the purity meets the relevant quality requirements. The above-mentioned alkylnaphthalene sulfonate used as a wetting agent comes from BASF Company, and the product code is Nekal BX Dry. The above-mentioned lignosulfonate used as a dispersant comes from OMNIChem S.A. company, and the commodity code is Tensiofix IX. The above-mentioned diatomite used as a solid carrier ...

Embodiment 2）

[0032] 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: 10 parts by weight of chlorpyrazosulfuron-methyl, 30 parts by weight of bisfluben, 3 parts by weight Alkylnaphthalene sulfonate as a wetting agent, 2 parts by weight of lignosulfonate as a dispersant, and 55 parts by weight of diatomaceous earth as a solid carrier.

[0033] The component source and preparation method of this embodiment are the same as embodiment 1.

Embodiment 3）

[0035] 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: 50 parts by weight of chlorpyrazosulfuron-methyl, 10 parts by weight of bisfluben, 3 parts by weight Alkylnaphthalene sulfonate as a wetting agent, 4 parts by weight of lignosulfonate as a dispersant, and 33 parts by weight of diatomaceous earth as a solid carrier.

[0036] The component source and preparation method of this embodiment are the same as embodiment 1.

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Abstract

The invention discloses a weeding composite containing halosulfuron-methyl and bispyribac-sodium. The weeding composite is composed of active components, an auxiliary and a carrier, wherein the active components are composed of the halosulfuron-methyl and the bispyribac-sodium in the weight ratio of (1:50)-(50:1); and the weight of the active components accounts for 1-90% of the total weight of the composite. The formulation of the composite is conventional formulation of pesticides, such as wettable powder, water dispersible granule, oil suspension concentrate, powder, granule, suspension concentrate, dry suspension concentrate, emulsifiable concentrate, emulsion in water, microemulsion or suspoemulsion and the like. The weeding composite disclosed by the invention has wide weed control spectrum, can be applied to rice direct seeding fields, transplanting fields and the like and has synergism, proved by field efficacy trials; and during the treatment by spraying the weeding composite on stem leaves at about 3 leaf stage of rice seedlings of the rice direct seeding fields, both the stem control effect and the fresh weight control effect of gramineous, broadleaf and cyperaceae weeds are up to above 90% and the weeding composite is safe to rice and has extremely little influence on environment.

Description

technical field [0001] The invention relates to a herbicide, in particular to a herbicide composition containing chlorpyrazosulfuron-methyl and bispyribac. Background technique [0002] The chemical name of clopyrazosulfuron-methyl (CAS accession number 100784-20-1) is: 3-chloro-5-(4,6-dimethoxypyrimidin-2-ylaminocarbonylaminosulfonyl)-1- 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, high activity and strong selectivity. However, the requirements for application technology are relatively strict, and improper use can easily cause phytotoxicity, and its price is relatively high. [0005] The chemical name of Bispyribac (also known as Nongmeril or Dipyrimidine Salicylate, CAS accession number is 125401-92-5) is: 2,6-bis(4,6-dimethoxypyrimidine-2-oxo base) sodium benzoate. T...

Claims

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Application Information

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IPC IPC(8): A01N47/36A01P13/00A01N43/54
Inventor 孔繁蕾徐建伟张慧
Owner 江苏省农用激素工程技术研究中心有限公司
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