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Weeding composition containing bensulfuron-methyl, pyriminobac-methyl and pyrazosulfuron-ethyl

A herbicidal composition, the technology of bensulfuron-methyl, applied in the direction of herbicide, algicide, biocide, biocide, etc., can solve the problems of difficult weed control, weed resistance and drug resistance enhancement, etc. Achieve the effect of rice safety, long-lasting effect and high herbicidal activity

Inactive Publication Date: 2017-07-25
佛山市盈辉作物科学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Weeding in paddy fields has always been a difficult problem in rice planting management. At present, the most effective and economical method is chemical weeding. However, long-term continuous high-dose use of herbicides with a single species or a single mechanism of action has led to continuous enhancement of weed resistance and drug resistance. Weed Control Is Getting Difficult

Method used

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  • Weeding composition containing bensulfuron-methyl, pyriminobac-methyl and pyrazosulfuron-ethyl
  • Weeding composition containing bensulfuron-methyl, pyriminobac-methyl and pyrazosulfuron-ethyl
  • Weeding composition containing bensulfuron-methyl, pyriminobac-methyl and pyrazosulfuron-ethyl

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: when composition of the present invention is water-dispersible granule, each component content is:

[0017] Bensulfuron-methyl 3%

[0018] Pyriflubac 1%

[0019] Pyrazosulfuron-methyl 1.5%

[0020] Sodium dodecylbenzenesulfonate 9%

[0021] Sodium methylnaphthalenesulfonate formaldehyde condensate 7%

[0022] Ammonium sulfate 5%

[0023] Polyethylene glycol 2%

[0024] Kaolin balance

[0025] The processing steps of the water-dispersible granules are as follows: mix bensulfuron-methyl, pyriflun-methyl, pyrazosulfuron-methyl, dispersant, wetting agent, disintegrant and filler according to the above formula, and use an ultra-fine jet mill to Grinding, kneading, and then entering the extrusion granulator for granulation, drying in the boiling dryer, and after sieving, sampling and analysis were carried out to obtain the 5.5% bensulfuron-methyl-pyriflun-methyl-pyrazosulfuron-methyl of the present invention. Water dispersible granules.

Embodiment 2

[0026] Embodiment 2: when composition of the present invention is dispersible oil suspension concentrate, each component content is:

[0027] Bensulfuron-methyl 2%

[0028] Pyrimifluben 2%

[0029] Pyrazosulfuron-methyl 1.5%

[0030] Castor Oil Ethoxylates 5%

[0031] Sodium dodecylbenzenesulfonate 5%

[0032] N-Methylpyrrolidone Fill up to 100%

[0033] The specific processing steps of the dispersible oil suspension concentrate of the composition are as follows: after mixing and dissolving according to the above-mentioned formula in proportion, it is mixed into a uniform and transparent phase through high-speed shearing, and the 5.5% bensulfuron-methyl-pyrimidon described in the present invention is obtained. Ether Pyrazosulfuron-methyl dispersible oil suspension concentrate.

Embodiment 3

[0034] Embodiment 3: when composition of the present invention is granule, each component content is:

[0035] Bensulfuron-methyl 2%

[0036] Pyriflubac 3%

[0037] Green Myron 1%

[0038] EO / PO block polyether 2%

[0039] Sodium Sulfate 6%

[0040] Silica 2%

[0041] Ammonium Chloride 8%

[0042] Carboxymethylcellulose 2%

[0043] Diatomaceous earth fill up to 100%

[0044] The specific processing steps of the suspoemulsion of the composition are: mix bensulfuron-methyl, pyriflun-methyl, pyrazosulfuron-methyl, EO / PO block polyether, sodium sulfate, ammonium chloride, white carbon black according to the ratio in the above formula , diatomaceous earth, fully mixed, crushed by airflow, and then added carboxymethyl cellulose, carboxymethyl cellulose was pre-prepared into an aqueous solution with water accounting for 40% of the dry weight, mixed at high speed and uniformly granulated, dried and sieved, That is, the 6% bensulfuron-methyl-pyrimifluor-methyl-pyrazosulfuron-me...

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Abstract

The invention relates to a weeding composition containing bensulfuron-methyl, pyriminobac-methyl and pyrazosulfuron-ethyl; the weeding composition is synergic; the mass ratio of the bensulfuron-methyl, pyriminobac-methyl and pyrazosulfuron-ethyl is (1-3):(1-3):(0.5-1.5), preferably (1-2):(1-2):(1-1.5), most preferably 2:2:1.5, optimized to 4:4:3.

Description

technical field [0001] The invention belongs to the field of pesticide herbicide compounding, and specifically relates to a three-component compound herbicide composition containing bensulfuron-methyl, pyriflun-methyl and pyrazosulfuron-methyl as effective ingredients and an application thereof. Background technique [0002] my country is a big rice country, with a sown area of ​​about 30 million hectares and a total output of about 200 million tons. The sown area and total output rank first in grain crops. The hazards of weeds in paddy fields are also different due to different types of regional environments. There are more than 200 species of weeds in paddy fields in China, among which there are more than 20 common weeds that cause serious damage, most of which belong to angiosperms, including monocots and dicotyledons , a few are ferns and algae, we often call grasses, sedges and broad-leaved weeds in pesticide science. [0003] Weeding in paddy fields has always been a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/54A01P13/00
CPCA01N47/36A01N43/54A01N2300/00
Inventor 杨鹏董庆文徐志杰尹忠达尚嘉彦叶宇平杨建江
Owner 佛山市盈辉作物科学有限公司
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