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Weeding oil suspension agent

A technology of herbicide oil and suspension stabilizer, which is applied in the direction of herbicides, algicides, biocides, biocides, etc., and can solve the problem of safety needs to be improved, easy to produce phytotoxicity, cyhalofop-ester, older daughters, horses Tang control effect is not ideal and other problems, to achieve the effect of excellent rain erosion resistance, excellent penetration and drift resistance, excellent weeding effect

Inactive Publication Date: 2011-01-26
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The effect of cyhalofop-methyl on the control of the old daughter and crabgrass is unsatisfactory, while fenoxaprop-ethyl has special effects on the control of the old daughter and crabgrass, but it is easy to cause phytotoxicity when the dosage is slightly large, and its safety needs improvement

Method used

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  • Weeding oil suspension agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] 309.28 kg of cyhalofop-methyl, 10 kg of fatty alcohol polyoxyethylene ether, 15 kg of polymer grafted lignosulfonate, 10 kg of rosin grafted polymer carboxylate, 5 kg of montmorillonite, modified polysiloxane 1 kg of alkane, 5 kg of 2,6-tert-butyl-p-cresol, 644.72 kg of jatropha oil

[0021] Preparation

[0022] 1 pack of cyhalofop-ethyl original drug, fatty alcohol polyoxyethylene ether, polymer grafted lignosulfonate, rosin grafted polymer carboxylate, montmorillonite, modified polysiloxane, 2,6- Tert-butyl p-cresol and jatropha oil are mixed in a sand mill;

[0023] 2 Sanding until 90% of the particle size is less than 4 μm, to obtain 1000 kg of 30% cyhalofop-ethyl oil suspension of the present invention.

Embodiment 2

[0025] 309.28 kg of cyhalofop-ethyl, 10.31 kg of fenoxaprop-ethyl, 10 kg of fatty alcohol polyoxyethylene ether, 10 kg of polymer grafted lignosulfonate, 10 kg of rosin grafted polymer carboxylate, montmorillonite 5 kg of soil, 1 kg of modified polysiloxane, 5 kg of 2,6-tert-butyl-p-cresol, 639.41 kg of jatropha oil

[0026] Preparation

[0027] 1 pack of cyhalofop-ethyl technical, fenoxaprop-ethyl technical, fatty alcohol polyoxyethylene ether, polymer grafted lignosulfonate, rosin grafted polymer carboxylate, montmorillonite, modified Polysiloxane, 2,6-tert-butyl-p-cresol, and jatropha oil are mixed in a sand mill;

[0028] 2 Sand milling until 90% of the particle size is less than 4 μm, to obtain 1000 kg of 31% cyhalofop-ethyl oxaprop-ethyl oil suspension of the present invention.

Embodiment 3

[0030] 226.81 kg of cyhalofop-ethyl, 21.06 kg of fenoxaprop-ethyl, 10 kg of polyoxyethylene polyoxypropylene block copolymer, 10 kg of polymer grafted lignosulfonate, naphthalene and alkylnaphthalene sulfonate formaldehyde Condensate 10 kg, attapulgite 10 kg, modified polysiloxane 2 kg, jatropha oil methyl ester 710.13 kg

[0031] Preparation

[0032] 1 pack of cyhalofop-ethyl technical product, fenoxaprop-ethyl technical product, polyoxyethylene polyoxypropylene block copolymer, polymer grafted lignosulfonate, naphthalene and alkylnaphthalene sulfonate formaldehyde condensate , attapulgite, modified polysiloxane, and jatropha oil methyl ester are mixed in a sand mill;

[0033] 2 Sand milling until 90% of the particle size is less than 4 μm to obtain 1000 kg of 24% cyhalofop-ethyl oxaprop-ethyl oil suspension of the present invention.

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Abstract

The invention provides a weeding oil suspension agent, which contains 1 to 30 percent of cyhalofop-butyl, 1 to 20 percent of fenoxaprop-p-ethyl, 1 to 10 percent of emulsifier, 2 to 8 percent of wetting dispersant, 0.1 to 5 percent of suspension stabilizer, 0 to 0.2 percent of organic silicon defoamer and the balance of vegetable oil. The weeding oil suspension agent has obvious synergistic effect, and has excellent prevention and control effect on rice field weeds such as gramineous weeds of caper euphorbia seed, cockspur grass and the like, particularly older caper euphorbia seed and digitaria sanguinalis. The weeding oil suspension agent composition can improve the prevention and control effect, expand a weeding spectrum, delay weed resistance, reduce phytotoxicity generated when the consumption of the fenoxaprop-p-ethyl is high, and is safe for crops.

Description

technical field [0001] The invention relates to a pesticide preparation, in particular to a herbicide oil suspension containing cyhalofop-ethyl. Background technique [0002] Cyhalofop-ethyl is an aryloxyphenoxypropionic acid herbicide, which is mainly used to control barnyardgrass, stephenia and other gramineous weeds in rice fields, and is highly safe to rice. [0003] Fenoxaprop-ethyl is a heteroepoxyphenoxypropionic acid herbicide, suitable for controlling dicotyledonous crops such as soybean, peanut, rape, cotton, sugar beet, flax, potato, vegetable field and mulberry orchard. Leaf weeds can also be used to control annual grass weeds such as barnyardgrass and stephenia in paddy fields. [0004] The effect of cyhalofop-methyl on the control of the old daughter and crabgrass is unsatisfactory, while fenoxaprop-ethyl has special effects on the control of the old daughter and crabgrass, but it is easy to cause phytotoxicity when the dosage is slightly large, and its safety...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/76A01N39/04A01N25/04A01P13/00
Inventor 王文忠袁军孙华英曹明章孔建王新军
Owner SHENZHEN NOPOSION AGROCHEM
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