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Weeding composition containing benzodicyclone and oxadiazon and application of weeding composition

A herbicidal composition, benzobicyclone technology, applied in the fields of pesticides and herbicides, can solve the problems of incomplete and effective control of weeds in paddy fields, residual toxicity of current season crops or subsequent crops, and no herbicidal composition found yet , to achieve the effect of improving safety, improving drug efficacy and reducing resistance

Inactive Publication Date: 2017-09-29
NANJING REDSUN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, herbicides in paddy fields are limited by the safety of crops, and the herbicidal spectrum is also limited. Using a single herbicide alone cannot completely and effectively control the occurrence of weeds in paddy fields. Too long effective period, excessive dosage or uneven application will easily cause residual toxicity to current crops or subsequent crops
The inventors have found through research that the synergistic compounding of herbicides is an effective measure to expand the weed control spectrum and improve the control effect. So far, no herbicidal composition related to the compounding of benzobicyclone and oxadiazone has been found.

Method used

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  • Weeding composition containing benzodicyclone and oxadiazon and application of weeding composition
  • Weeding composition containing benzodicyclone and oxadiazon and application of weeding composition
  • Weeding composition containing benzodicyclone and oxadiazon and application of weeding composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Example 1: 35% oxadiazone·benzobicyclone emulsifiable concentrate (34:1)

[0025] Oxadiazone 34%, benzobicyclone 1%, alkylphenol polyoxyethylene ether 4%, phenethylphenol polyoxyethylene ether 15%, xylene supplemented to 100%, prepared according to the conventional preparation method into 100% 35% emulsifiable concentrate.

Embodiment 2

[0026] Example 2: 30% oxadiazone·benzobicyclone suspension concentrate (29:1)

[0027] Oxadiazon 29%, benzobicyclone 1%, methylnaphthalenesulfonate sodium formaldehyde condensate 6%, nonylphenol polyoxyethylene ether 3%, magnesium aluminum silicate 0.5%, ethylene glycol 7%, triphosphate 2% of butyl ester, 0.2% of silicone oil, and the balance of water are prepared into a suspension concentrate with a mass percentage of 30% according to a conventional preparation method.

Embodiment 3

[0028] Example 3: 60% oxadiazone·benzobicyclone water dispersible granules (59:1)

[0029] Oxadiazone 59%, benzobicyclone 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyvinyl alcohol 2%, kaolin supplemented to 100%, prepared according to conventional preparation methods A water dispersible granule (WDG) with a mass percent content of 60%.

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Abstract

The invention discloses a weeding composition containing benzodicyclone and oxadiazon and application of the weeding composition contains the main effective components, namely benzodicyclone and oxadiazon in a mass ratio of (1:60)-(60: 1). The weeding composition can be used for weeding paddy fields and particularly has remarkable effects on preventing and weeding gramineous weeds and broadleaf weeds in the paddy fields. Compared with a single dosage, the weeding composition has the advantages that in the premise that the pesticide effect is improved, the resistance of weeds is delayed, the weeding spectrum is wide, the lasting period is long, and the weeding composition is safe to both rice and afterreap crops.

Description

technical field [0001] The invention belongs to the technical field of pesticides, in particular to the field of herbicides, and specifically relates to a herbicidal composition containing benzobicyclone and oxadiazon and an application thereof. Background technique [0002] Benzobicyclone is a pyrazole herbicide newly developed by Sumitomo Corporation. Its mechanism and mode of action: it is absorbed through roots, stems, young shoots, and leaves and is rapidly transmitted. After absorption, it inhibits the biosynthesis of weed chlorophyll. It has high activity, strong selectivity, and broad spectrum. [0003] Oxadiazon, chemical name: 5-tert-butyl-3-(2,4-dichloro-5-isopropoxyphenyl)-1,3,4-oxadiazolin-2-one, Structural formula: [0004] [0005] Oxadiazone is a contact pre-emergence and post-emergence herbicide. For soil treatment, paddy field use. It works mainly through the absorption of weed buds and stems and leaves, and can exert good herbicidal activity under t...

Claims

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Application Information

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IPC IPC(8): A01N41/10A01N43/824A01P13/00
CPCA01N41/10A01N43/82
Inventor 白杰郭崇友万维肖张宝俊杨琴
Owner NANJING REDSUN
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