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Herbicide composition used in wheat field

A composition and herbicide technology, applied in the direction of herbicides, algicides, biocides, biocides, etc., can solve the problems of phytotoxicity and other problems, and achieve the effect of reducing environmental toxicity, broad herbicidal spectrum, and rapid weed killing

Active Publication Date: 2013-06-05
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

But it has slight phytotoxicity to barley and oats

Method used

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  • Herbicide composition used in wheat field
  • Herbicide composition used in wheat field
  • Herbicide composition used in wheat field

Examples

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Effect test

Embodiment 1）

[0019] The dosage form of the wheat field herbicide composition of the present embodiment is a water-dispersible granule, which consists of the following components by weight: 10 parts by weight of pyrentrazone-ethyl, 5 parts by weight of sulfosulfuron-methyl, 2 parts by weight of Fatty alcohol polyoxyethylene ether of wetting agent, 3 parts by weight of sodium butylnaphthalene sulfonate as wetting agent, 3 parts by weight of lignosulfonate as dispersant, 2 parts by weight of disintegrant ammonium sulfate, 65 parts by weight of kaolin 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. The carfentrazone-ethyl and sulfensulfuron-methyl in the above components are all active components, and the wetting agent, dispersant and disintegrating agent are all auxiliary agents.

[0020] The above-mentioned pyrentrazone-ethyl and sulfensulfuron-methyl as active ingredients are all from Jiang...

Embodiment 2）

[0023] The dosage form of the wheat field herbicide composition of the present embodiment is still a water-dispersible granule, and the rest of the water-dispersible granule is the same as in Example 1, except that the proportioning of each component described is: 10% by weight Parts of carfentrazone-ethyl, 20 parts by weight of sulfensulfuron, 4 parts by weight of fatty alcohol polyoxyethylene ether as a wetting agent, 3 parts by weight of sodium butylnaphthalene sulfonate as a wetting agent, 4 parts by weight Parts by weight of lignosulfonate as a dispersant, 2 parts by weight of ammonium sulfate as a disintegrant, 47 parts by weight of kaolin as a carrier, and 10 parts by weight of white carbon black as a carrier.

[0024] The preparation method is the same as in Example 1.

Embodiment 3）

[0026] The dosage form of the wheat field herbicide composition of the present embodiment is still a water-dispersible granule, and the rest of the water-dispersible granule is the same as in Example 1, except that each component and the corresponding proportioning ratio are: 8 parts by weight Profentrazone-ethyl, 32 parts by weight of sulfensulfuron, 4 parts by weight of fatty alcohol polyoxyethylene ether as a wetting agent, 3 parts by weight of sodium butylnaphthalene sulfonate as a wetting agent, 5 parts by weight Parts of lignosulfonate as a dispersant, 8 parts by weight of a starch derivative as a disintegrant, 35 parts by weight of kaolin as a carrier, and 5 parts by weight of white carbon black as a carrier.

[0027] The above-mentioned starch derivative used as a disintegrating agent is sodium carboxymethyl starch, which comes from Roquette Company, and the commodity code is GLYCOLYS Std.

[0028] The preparation method is the same as in Example 1.

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Abstract

The invention discloses a herbicide composition used in a wheat field. The herbicide composition used in the wheat field consists of an active ingredient, an auxiliary agent and a carrier, wherein the active ingredient consists of carfentrazone-ethyl and sulfosulfuron in the weight ratio of (1:50)-(50:1); and the weight of the active ingredient is 5 to 90 percent of the total weight of the composition. The formulation of the composition is wettable powder, water dispersible granules, suspending agent or suspended emulsion. The herbicide composition used in the wheat field has the advantages of high efficiency, low toxicity and the like, can be applied to various wheat fields and can kill broadleaf weeds and gramineous weeds in the wheat fields at a time.

Description

technical field [0001] The invention relates to a herbicide, in particular to a wheat field herbicide composition. Background technique [0002] Mefentrazone-ethyl (also known as triafentrazone-ethyl, mefentrazone or mefentrazone, CAS No. 128621-72-7) is a triazolinone herbicide developed by FMC Corporation of the United States. Its chemical name is :( RS )-2-chloro-3-[2-chloro]-5-(4-difluoromethyl-4,5-dihydro-3-methyl-5-oxo-1H-1,2,4-triazole -1-yl)-4-fluorophenyl]propionic acid ethyl ester. The structural formula is as follows: [0003] [0004] It is a protoporphyrinogen oxidase inhibitor, which has the advantages of high activity, easy degradation, rapid weeding, and little impact on climate. It can still maintain a good effect under low temperature (≤5°C) conditions. It is effective on wheat and The next stubble crop is safe. However, due to the limitation of its mechanism of action (no systemic activity), it can make all the weeds fully covered when it is used, ...

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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