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Cyhalofop-butyl pyriminobac-methyl penoxsulam oil flowable concentrate

A technology of penoxsulam and cyhalofop-butyl is applied in the field of pesticides to achieve the effects of delaying weed resistance, reducing application cost and expanding herbicidal spectrum

Inactive Publication Date: 2014-05-28
JIANGSU FUDING CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a kind of oil suspension containing cyhalofop-methyl, pyriflufen and penoxsulam in order to overcome the defect of existing single preparation

Method used

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  • Cyhalofop-butyl pyriminobac-methyl penoxsulam oil flowable concentrate
  • Cyhalofop-butyl pyriminobac-methyl penoxsulam oil flowable concentrate
  • Cyhalofop-butyl pyriminobac-methyl penoxsulam oil flowable concentrate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 120

[0026] Example 120% Cyhalofop-methyl Pyriflubac-Penoxsulam Oil Suspension Concentrate

[0027] Cyhalofop-methyl 15%, Pyriflufen 2.5%, Penoxsulam 2.5%, Polyoxyethylene polyoxypropylene block copolymer 10%, Sodium lignosulfonate 5%, Attapulgite 0.1%, 2, 6-di-tert-butyl-p-cresol 1.5%, glycerin 1%, modified polysiloxane 0.1%, jatropha oil to 100%.

[0028] Preparation:

[0029] 1) Mix polyoxyethylene polyoxypropylene block copolymer, attapulgite, 2,6-di-tert-butyl-p-cresol, glycerol, modified polysiloxane, and jatropha oil in a sand mill middle;

[0030] 2) Add cyhalofop-methyl, pyriflufen, and penoxsulam under high shear and stirring;

[0031] 3) Sand-mill in a glass bead mill until 90% of the particle size is 2-4 μm to obtain 20% cyhalofop-methyl-pyrimifluor-fen-penoxsulam oil suspension concentrate.

Embodiment 218

[0032] Embodiment 218% Cyhalofop-methyl Pyriflufen-Penoxsulam Oil Suspension Concentrate

[0033] Cyhalofop-methyl 13%, pyriflufen 2%, penoxsulam 3%, fatty alcohol polyoxyethylene ether 8%, sodium lignosulfonate 2%, polycarboxylate 4%, attapulgite 0.8% , Modified polysiloxane 0.15%, jatropha oil methyl ester added to 100%.

[0034] Preparation:

[0035] 1) Mix fatty alcohol polyoxyethylene ether, sodium lignosulfonate, polycarboxylate, attapulgite, modified polysiloxane, and jatropha oil methyl ester in a sand mill;

[0036] 2) Add cyhalofop-methyl, pyriflufen, and penoxsulam under high shear and stirring;

[0037] 3) Sand grinding in a glass bead mill until 90% of the particle size is 2-4 μm to obtain 18% cyhalofop-methyl-pyrimiflub-fen-pentoxsulam oil suspension concentrate.

Embodiment 322

[0038] Example 322% Cyhalofop-methyl Pyriflufen-Penoxsulam Oil Suspension Concentrate

[0039] Cyhalofop-methyl 17%, Pyriflufen 3%, Penoxsulam 2%, Polyoxyethylene alkyl ester 12%, Naphthalene and alkyl naphthalene sulfonate formaldehyde condensate 8%, Bentonite 1%, B Glycol 2%, modified polysiloxane 0.2%, corn oil added to 100%.

[0040] Preparation:

[0041] 1), polyoxyethylene alkyl ester, naphthalene and alkylnaphthalene sulfonate formaldehyde condensate, bentonite, ethylene glycol, modified polysiloxane, and corn oil are mixed in a sand mill;

[0042] 2) Add cyhalofop-methyl, pyriflufen, and penoxsulam under high shear and stirring;

[0043] 3) Sand-mill in a glass bead mill until 90% of the particle size is 2-4 μm to obtain 22% cyhalofop-methyl-pyrimiflub-fen-pentoxsulam oil suspension concentrate.

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Abstract

The invention belongs to the technical field of pesticides and discloses a cyhalofop-butyl pyriminobac-methyl penoxsulam oil flowable concentrate. Active components of the oil flowable concentrate are cyhalofop-butyl, pyriminobac-methyl and penoxsulam; the oil flowable concentrate comprises, by mass, 5 to 30% of cyhalofop-butyl, 1 to 10% of pyriminobac-methyl, 1 to 10% of penoxsulam, 1 to 15% of an emulsifier, 1 to 10% of a wetting dispersant, 0.1 to 5% of a suspension stabilizing agent, 0 to 5% of an antifreezing agent and 0.1 to 0.2% of a defoaming agent, with the balance being an oil base. The invention further discloses application of the oil flowable concentrate in prevention and killing of Alternanthera philoxeroides, Sagittaria pygmaea and barnyard grass in a paddy field. The oil flowable concentrate has a substantial synergistic effect, can substantially improve prevention and treatment effects on weeds, broadens a weed control spectrum, delays resistance of weeds, decreases an application amount, reduces application cost and has excellent spreading permeability, anti-shifting performance and anti-rainwash performance and high safety to crops.

Description

technical field [0001] The invention belongs to the technical field of pesticides and relates to a herbicide, in particular to a cyhalofop-methyl-pyrimifluor-fen penoxsulam oil suspension. Background technique [0002] Cyhalofop-buty1, chemical name: (R)-2-[4(4-cyano-2-fluorophenoxy)phenoxy]-butyl propionate. Cyhalofop-ethyl is an aryloxyphenoxypropionic acid herbicide. It is a selective herbicide for paddy fields. It can only be used for stem and leaf treatment. It is ineffective for pre-emergence treatment. It is mainly used to control grass weeds such as barnyardgrass and stephenia. In the growth tissue area, resist acetyl-CoA carboxylase (ACCase), stop fatty acid synthesis, cell growth and division cannot proceed normally, membrane system and other lipid-containing structures are destroyed, and finally lead to plant death. From the absorption of cyhalofop-methyl to the death of weeds is relatively slow, generally takes 1-3 weeks. Symptoms of weeds after application ar...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N25/04A01P13/00A01N39/04A01N43/54
Inventor 刘东卫
Owner JIANGSU FUDING CHEM
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