Herbicide containing benzobicylon and 2-methyl-4-chloro-isooctyl

A technology of dimethyltetrachloroisooctyl and bicyclic sulcotrione, which is applied in the field of pesticides, can solve the problems of increased effective dosage, easy occurrence of drug resistance in target crops, and reduced drug efficacy, achieving long-lasting effects and excellent wetting Performance, the effect of solving agglomeration

Inactive Publication Date: 2021-06-11
合肥尚邦植保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Dimethyltetrachloroisooctyl is synthesized from dimethyltetrachloroisooctyl ester and isooctanyl ester. It is a selective hormone herbicide with strong systemic conductivity. It is mainly used for post-emergence stem and leaf treatment. The agent penetrates cutin layer and cytoplasmic membrane, suitable for broad-leaved weeds and sedge weeds, such as kohlrabi, quinoa, sedge, amaranth, purslane, cocklebur, spinach, solanum nigrum, sedge, wattle, Cow felt, but it has no effect on grass weeds, and the efficacy will be greatly reduced in the environment below 18°C
[0004] With the continuous use of pesticides, target crops are likely to develop resistance, and the effective dose of pesticides will gradually increase, and the environmental and food safety problems caused by pesticide residues will become increasingly serious

Method used

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  • Herbicide containing benzobicylon and 2-methyl-4-chloro-isooctyl

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A herbicide containing bicyclic sulcotrione and dimethyltetrachloroisooctyl, the active ingredients of the herbicide are bicyclic sulcotrione and dimethyltetrachloroisooctyl, and bicyclic sulcotrione and dimethyltetrachloro The mass ratio of isooctyl esters is 7:0.4.

[0028] The herbicide formulation containing bicyclic sulcotrione and dimethyltetrachloroisooctyl is a suspension concentrate, which is prepared from 15% active ingredients, 8% adjuvants, and 77% deionized water. The 8% adjuvants are 2 % polyoxyethylene ether sulfate, 2% stabilizer, 1.5% regulator, 1.5% silicone defoamer and 1% ethylene glycol, wherein the stabilizer is epoxy soybean oil, epoxy linseed oil by mass ratio 1 :1 by mixing, and the enhancer is obtained by mixing bentonite and xanthan gum at a mass ratio of 1:1.

[0029] Wherein, the preparation method of the herbicide containing bicyclic sulcotrione and dimethyltetrachloroisooctyl comprises the following steps:

[0030] Step 1: after bicyclic...

Embodiment 2

[0037] A herbicide containing bicyclic sulcotrione and dimethyltetrachloroisooctyl, the active ingredients of the herbicide are bicyclic sulcotrione and dimethyltetrachloroisooctyl, and bicyclic sulcotrione and dimethyltetrachloro The mass ratio of isooctyl esters is 8:1.

[0038] The herbicide dosage form containing bicyclic sulcotrione and dimethyltetrachloroisooctyl is a suspension concentrate, which is prepared from 25% active ingredients, 10% adjuvants, and 65% deionized water, and 10% adjuvants are 3 % polyoxyethylene ether sulfate, 2.5% stabilizer, 2% regulator, 1.5% silicone defoamer and 1% ethylene glycol, wherein the stabilizer is epoxy soybean oil, epoxy linseed oil by mass ratio 1 :1 by mixing, and the enhancer is obtained by mixing bentonite and xanthan gum at a mass ratio of 1:1.

[0039] Wherein, the preparation method of the herbicide containing bicyclic sulcotrione and dimethyltetrachloroisooctyl comprises the following steps:

[0040] Step 1: after bicyclic...

Embodiment 3

[0047] A herbicide containing bicyclic sulcotrione and dimethyltetrachloroisooctyl, the active ingredients of the herbicide are bicyclic sulcotrione and dimethyltetrachloroisooctyl, and bicyclic sulcotrione and dimethyltetrachloro The mass ratio of isooctyl esters is 9:2.

[0048] A herbicide dosage form containing bicyclic sulcotrione and dimethyltetrachloroisooctyl is a suspension concentrate, which is formulated with 45% active ingredients, 15% adjuvants, 40% deionized water, and 15% adjuvants are 4.5% Polyoxyethylene ether sulfate, 3.5% stabilizer, 3% regulator, 2.5% organic silicon defoamer and 1.5% ethylene glycol, wherein, stabilizer is epoxy soybean oil, epoxy linseed oil by mass ratio 1: 1 is obtained by mixing, and the conditioner is obtained by mixing bentonite and xanthan gum at a mass ratio of 1:1.

[0049] Wherein, the preparation method of the herbicide containing bicyclic sulcotrione and dimethyltetrachloroisooctyl comprises the following steps:

[0050] Step...

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Abstract

The invention relates to a herbicide containing benzobicylon and 2-methyl-4-chloro-isooctyl, the active ingredients of the herbicide are benzobicylon and 2-methyl-4-chloro-isooctyl, wherein the mass ratio of the benzobicylon to the 2-methyl-4-chloro-isooctyl is (1-10): (0.1-1.5); the herbicide containing benzobicylon and 2-methyl-4-chloro-isooctyl is in the form of a suspending agent and is prepared from 5%-85% of active ingredients, 5%-15% of auxiliaries and 10%-80% of deionized water, wherein the auxiliaries are polyoxyethylene ether sulfate, a stabilizer, a thickening agent, an organic silicon defoaming agent and ethylene glycol. The synthesized polyoxyethylene ether sulfate is used as a wetting dispersant, and the excellent wetting performance, solubilizing performance and emulsifying power of the wetting dispersant are utilized, so that the problem that the effect is reduced due to caking, layering and precipitation caused by long-term storage of the herbicide suspending agent is solved, and the long-term stability of the herbicide suspending agent is improved.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a herbicide containing bicyclic sulcotrione and dimethyltetrachloroisooctyl. Background technique [0002] Bicyclic sulcotrione is a herbicide with broad-spectrum selectivity and long-lasting effect for controlling weeds in direct-seeded rice fields and transplanted fields. Bicyclic sulcotrione has a bicyclic and phenylene sulfide structure, and has strong soil adsorption properties. It is an inhibitor of p-hydroxyphenylpyruvate dioxygenase (HPPD), which affects the synthesis of plastoquinone by inhibiting HPPD. Phytoquinone acts on phytoene dehydrogenase (PDS), which ultimately affects the biosynthesis of carotenoids and causes leaf whitening. It is characterized by a long duration. [0003] Dimethyltetrachloroisooctyl is synthesized from dimethyltetrachloroisooctyl ester and isooctanyl ester. It is a selective hormone herbicide with strong systemic conductivity...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N41/10A01N39/04A01N25/04A01P13/00
CPCA01N25/04A01N39/04A01N41/10
Inventor 李冬兵郑秀
Owner 合肥尚邦植保科技有限公司
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