Soybean field weeding composition

A herbicidal composition and composition technology, applied in the direction of herbicides, algicides, biocides, animal repellents, etc., can solve the problem of narrow herbicidal spectrum, achieve the simultaneous elimination of multiple weeds, and expand the Cursive, easy-to-use effects

Inactive Publication Date: 2021-01-22
ZHEJIANG PIONEER CROPSCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose: In order to overcome the deficiency of a single herbicide in the prior art with a

Method used

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  • Soybean field weeding composition

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1. The total mass ratio of active ingredients in the composition is 25%, and the specific components are as follows:

[0019] 10 parts of pyrazoxazole,

[0020] Sulfentrazone 15 parts,

[0021] Dispersant - lignosulfonate 8 parts,

[0022] Wetting Agent - Sodium Lauryl Sulfate 3 parts,

[0023] Disintegrant - Ammonium Sulfate 3 parts,

[0024] Binder - polymethylcellulose 2 parts,

[0025] Filler - Kaolin 59 parts,

[0026] The dosage form was processed according to the conventional processing method of pesticide water-dispersible granules, and the water-dispersible granules used for weeding in soybean fields were obtained with an active ingredient mass ratio of 25%.

Embodiment 2

[0027] Embodiment 2. The total mass ratio of active ingredients in the composition is 75%, and the specific components are as follows:

[0028] 20 parts of pyrazoxazole,

[0029] Sulfentrazone 55 parts,

[0030] Dispersant - polycarboxylate 6 parts,

[0031] Wetting agent - sodium p-methoxy fatty amidobenzenesulfonate 4 parts,

[0032] Disintegrant - Ammonium Sulfate 3 parts,

[0033] Filler - soluble starch 12 parts,

[0034] The dosage form was processed according to the conventional processing method of pesticide water-dispersible granules, and the water-dispersible granules used for weeding in soybean fields were obtained with an active ingredient mass ratio of 75%.

Embodiment 3

[0035] Embodiment 3. The total mass ratio of active ingredients in the composition is 50%, and the specific components are as follows:

[0036] Metraxazone 15 parts,

[0037] Sulfentrazone 35 parts,

[0038] Dispersant - 8 parts of naphthalenesulfonic acid formaldehyde condensate,

[0039] Wetting agent - sodium butyl naphthalene sulfonate 2 parts,

[0040] Disintegrant - Ammonium Sulfate 5 parts,

[0041] Binder - Glucose 2 parts,

[0042] Filler - 33 parts of anhydrous sodium sulfate,

[0043] The dosage form was processed according to the conventional processing method of pesticide water-dispersible granules, and the water-dispersible granules used for weeding in soybean fields were obtained with an active ingredient mass proportion of 50%.

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Abstract

The invention discloses a soybean field weeding composition, which comprises pyroxasulfone, sulfentrazone and a pesticide auxiliary agent. The total mass ratio of pyroxasulfone to sulfentrazone in thecomposition is 25-75%, and the mass ratio of pyroxasulfone to sulfentrazone is 1: 0.2-30; preferably, the mass ratio of the pyroxasulfone to the sulfentrazone is 1: 1.5-2.75. According to the soybeanfield weeding composition, the effective components pyroxasulfone and sulfentrazone are mixed according to different proportions to prepare the water dispersible granules, the weeding composition ishigh in prevention effect, low in toxicity and small in environmental influence, the weeding spectrum is expanded, the purposes of one-time pesticide application and removal of various weeds are achieved, farmers can use the weeding composition conveniently, the pesticide application frequency is reduced, and the weeding effect is good. Labor intensity of farmer weeding is reduced.

Description

technical field [0001] The invention relates to a soybean field herbicide composition, which belongs to the technical field of agricultural herbicides. Background technique [0002] Soybean is the fourth largest crop after rice, wheat, and corn. The problem of weed damage in soybean fields is serious, which seriously affects the yield and quality of soybean. Sulfentrazone (English common name sulfentrazone) is a triazolinone herbicide developed by FMC Corporation of the United States in 1996. It is a contact-type stem and leaf treatment agent and can also be used for soil treatment. It is a protoporphyrinogen oxidase inhibitor, which is absorbed by plants through the root system and inhibits the synthesis of key chlorophyllases, thereby blocking plant photosynthesis and killing herbicides, especially for weeds that are resistant to sulfonylureas. In the field of corn, soybean, sorghum, peanut, sunflower, chickpea, broad bean and other crops, it can be used to prevent mother...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N43/653A01N25/12A01P13/00
CPCA01N25/12A01N43/653A01N43/80
Inventor 李明臧伟新
Owner ZHEJIANG PIONEER CROPSCI CO LTD
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