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Herbicidal composition of promasulfuron-methyl, saflufenacil and fenoxaprop-ethyl

A technology of oxazofen and a herbicidal composition, which is applied in the field of preventing and controlling annual weeds in paddy fields, can solve problems such as no relevant reports on promethazine compounding, and achieves reduction of adverse effects, rapid drug effect, The effect of reducing the dose used

Active Publication Date: 2018-06-19
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] There is no relevant report on the compounding of promasulfuron-methyl, saflufenacil, and fenoxaprop-ethyl

Method used

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  • Herbicidal composition of promasulfuron-methyl, saflufenacil and fenoxaprop-ethyl
  • Herbicidal composition of promasulfuron-methyl, saflufenacil and fenoxaprop-ethyl
  • Herbicidal composition of promasulfuron-methyl, saflufenacil and fenoxaprop-ethyl

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Formulation example 1: 35% promasulfuron-methyl-pyrimidin-oxaprop-ethyl water-dispersible granule.

[0023]

[0024] Put the above materials together into the conical mixer and mix them evenly, and then crush them through the jet mill, and then mix the crushed materials through the conical mixer. Knead into a plastic material, and finally put the material into an extrusion granulator to extrude and granulate. After granulation, it is dried and sieved to obtain 35% promasulfuron, saflufenacil, and oxazole Dipropen water dispersible granules.

Embodiment 2

[0025] Formulation Example 2: 30% promasulfuron-methyl-pyrimidin-saflufenacil-pyroxaprop-ethyl wettable powder.

[0026]

[0027] Add the above materials together into a conical mixer and mix them evenly, then pulverize them through a jet mill, and then mix the pulverized materials through a conical mixer. The fineness of the mixed materials is 98% and passes through a 600-mesh standard sieve to obtain 30% Promasulfuron-methyl-pyrimidine saflufenacil-oxaprop-ethyl WP.

[0028] Formulation example 3: 20% promasulfuron-saflufenacil-oxaprop-p-ethyl suspension concentrate.

[0029]

[0030]

[0031] The above formula is pre-crushed according to the proportion, then added to a sand mill for grinding, and then mixed by high shear to prepare a 20% promasulfuron-saflufenacil-oxaprop-ethyl suspension concentrate.

[0032] Formulation example 4: 12% promasulfuron-methyl-pyrimidin-oxaprop-ethyl oil suspension concentrate.

[0033]

[0034] Put the above materials (except or...

Embodiment 2

[0070] Bioassay Example 2: Field efficacy test of promasulfuron-methyl, saflufenacil, and fenoxaprop-p-ethyl in controlling annual weeds in paddy fields

[0071] Table 7. Field efficacy test results of promasulfuron-methyl, saflufenacil, and oxaprop-ethyl-ethyl compositions for controlling weeds in paddy fields.

[0072]

[0073]

[0074] In summary, the composition of the present invention is reasonable, and the ternary combination of promasulfuron-methyl, saflufenacil, and oxaprop-ethyl has a synergistic response to target weeds, and provides excellent weed weeds for paddy fields. Grass management solution for controlling annual weeds in paddy fields.

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Abstract

The invention relates to a herbicidal composition of rimsulfuron-methyl, safluafe-methyl and fenoxaprop-ethyl, the active ingredients of which are rimsulfuron-methyl, fenoxaprop-ethyl, and promethazine The weight percentage of rimsulfuron-methyl in the herbicidal composition is 0.1% to 30%, the weight percentage of saflufenacil in the herbicidal composition is 0.1% to 40%, and the weight percentage of fenoxaprop-ethyl in the herbicidal composition The percentage is 0.1% to 20%. The herbicidal composition of the present invention has a synergistic effect, and the effect of controlling annual weeds in paddy fields is obviously better than that of each single agent used alone, and the herbicidal spectrum is expanded, and the dosage is reduced at the same time, and the generation of weed resistance is delayed and alleviated. pollution to the environment.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a synergistic response herbicidal composition with promasulfuron-methyl, saflufenacil and fenoxaprop-p-ethyl as active ingredients, which is suitable for controlling annual weeds in paddy fields . Background technique [0002] Propyrisulfuron (propyrisulfuron) is a selective broad-spectrum herbicide, which has a good control effect on weeds resistant to sulfonylurea herbicides. Foliar spray, shake application. [0003] Pyribenzoxim is a salicylic acid herbicide and is an acetolactate synthase inhibitor. It is absorbed by plants and converted into an active acid to play a herbicidal role. It is a broad-spectrum herbicide for paddy fields and can effectively control barnyard grass. (including barnyardgrass resistant to propanil, quinclorac and acetyl-CoA carboxylase resistance), annual Cyperaceae weeds, and effective against many broad-leaved weeds, such as Heteroc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N47/36A01P13/00A01N43/54A01N43/76
Inventor 王礼文陈佛祥张志伟朱刚吴泽伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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