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Weeding composition containing bensulfuron methyl and pyriminobac-methyl

A herbicidal composition, the technology of bensulfuron-methyl, is applied in the direction of herbicides, algicides, biocides, animal repellents, etc., to achieve the effects of reducing the cost of medication, quickly exerting the efficacy, and reducing the dosage

Inactive Publication Date: 2013-11-20
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to solve the shortcomings of the single use of the above-mentioned herbicides, and provide a herbicidal composition with high efficiency, low toxicity, low cost, good quick-acting, long-lasting effect, which is beneficial to the comprehensive management of weeds in paddy fields

Method used

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  • Weeding composition containing bensulfuron methyl and pyriminobac-methyl
  • Weeding composition containing bensulfuron methyl and pyriminobac-methyl
  • Weeding composition containing bensulfuron methyl and pyriminobac-methyl

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1 (30% bensulfuron-pyrimiflun-methyl oil suspension concentrate):

[0021] Bensulfuron-methyl 20%,

[0022] Pyrimifluben 10%,

[0023] Styrene phenol polyoxyethylene ether 5-7%,

[0024] Sodium lignosulfonate 5-8%,

[0025] Organic bentonite 5-9%,

[0026] Refined soybean oil to 100%.

[0027] Put the above materials (except organic bentonite) into the reaction kettle mixer together, stir for 2 hours, then put the materials together with the pre-dissolved organic bentonite into a high-shear emulsification kettle for 2 to 3 hours, and open the kettle after emulsification The bottom feeding valve injects the material into the multi-stage sand mill for grinding. The fineness of the ground material is 98% and passes through a 1-5um filter screen before being discharged to produce 30% bensulfuron-methyl pyrimidine with good fluidity. Fenugreek Oil Suspension Concentrate.

[0028] This example is used to control barnyardgrass, Cyperaceae weeds and annual broad-l...

Embodiment 2

[0032] Example 2 (30% bensulfuron-methyl-pyrimifluben water-dispersible granules):

[0033] Bensulfuron-methyl 20%,

[0034] Pyrimifluben 10%,

[0035] Sodium lauryl sulfate 4~6%,

[0036] Carboxylate 5-7%,

[0037] Urea 30-40%,

[0038] Kaolin to 100%.

[0039] Put the above materials together into the conical mixer and mix evenly, and then pulverize through the jet mill, and then mix the pulverized 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, dry and sieve to obtain 30% bensulfuron-methyl-pyrimifluben water-dispersible granules.

[0040] This example is used to control barnyardgrass, Cyperaceae weeds and annual broad-leaved weeds in rice throwing field: the statistics of barnyardgrass, Cyperaceae weeds and annual broad-leaved weeds are carried out, and 4 treatments are set up in the experiment. 1 is 30% bensulfuron-methyl-pyrimiflun-methyl water...

Embodiment 3

[0044] Example 3 (35% bensulfuron-methyl-pyrimifluor wettable powder):

[0045] Bensulfuron-methyl 20%,

[0046] Pyrimifluben 15%,

[0047] Sodium lauryl sulfate 2~5%,

[0048] Sodium butylnaphthalene sulfonate 3-5%,

[0049] Calcium lignosulfonate 5%~7,

[0050] White carbon black 5% ~ 8,

[0051] Kaolin to 100%.

[0052] 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 35% Bensulfuron-methyl-pyrimifluben wettable powder.

[0053] This example is used to control barnyardgrass, Cyperaceae weeds and annual broad-leaved weeds in rice throwing fields: statistics are made on Barnyardgrass, Cyperaceae weeds and annual broad-leaved weeds. There were 4 treatments in the experiment, treatment 1 was 35% bensulfuron-methyl-pyrimifluben WP, treatment 2 was a...

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Abstract

The invention relates to a weeding composition containing effective components of bensulfuron methyl and pyriminobac-methyl in a weight ratio of 20:1-1:15. The weeding composition provided by the invention has the advantage that compound of bensulfuron methyl and pyriminobac-methyl improves weeding effect, expands weed control spectrum, reduces resistance risk caused by single usage of bensulfuron methyl or pyriminobac-methyl, realizes low toxicity and residual, substantially reduces drugs dose, drug frequency and usage cost; and the weeding composition is a novel composition suitable for controlling barnyard grass, nutgrass flatsedge weeds and annual broad leaf weeds in rice fields.

Description

technical field [0001] The invention belongs to the technical field of agricultural weeding, and in particular relates to a paddy field herbicidal composition with bensulfuron-methyl and pyriflubac-methyl as active ingredients, which is suitable for controlling barnyardgrass, Cyperaceae weeds and annual broad-leaved weeds in paddy fields . Background technique [0002] As people's requirements for food safety and environmental protection continue to increase, the use of pesticides on crops that people rely on for survival has also attracted much attention. With the phase-out of highly toxic pesticides, new agents with high efficiency, low toxicity, safety and environmental friendliness are needed. At the same time, the long-term use of pesticides has resulted in the resistance of pests and weeds, and the requirements for control agents are getting higher and higher. This requires pesticide research and development personnel to develop efficient and safe new agents to meet t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01P13/00A01N43/54
Inventor 王礼文刘鹏冷忠国朱刚张志伟陈佛祥
Owner GUANGDONG ZHONGXUN AGRI TECH
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