Weeding composition containing dichloroquinoline oxadiazon

A technology of quinclomid and herbicidal composition, which is applied in the field of pesticides, can solve the problems of reducing control costs, reducing the frequency of spraying, and expanding the spectrum of weeds, so as to slow down drug resistance, reduce the amount of pesticides, and expand the spectrum of weeds. Effect

Inactive Publication Date: 2017-05-31
PLANT PROTECTION & QUALITY & SAFETY OF AGRI PRODS INST ANHUI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The inventors have found through research that the rational mixing of quinclomid, bentazone and cyhalofop-ethyl can overcome the defects of a single preparation and have significant synergistic effects, expand the weed spectrum, and one-time application can prevent and control extinction in rice fields. For most weeds, reduce the frequency of spraying, reduce control costs, slow down drug resistance, and be safe for rice

Method used

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  • Weeding composition containing dichloroquinoline oxadiazon
  • Weeding composition containing dichloroquinoline oxadiazon
  • Weeding composition containing dichloroquinoline oxadiazon

Examples

Experimental program
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Effect test

Embodiment 1

[0029] The preparation method of 27% quinclomidone·benzazone·cyhalofop-ethyl oil suspension concentrate: by mass percentage.

[0030]

[0031] Preparation method: According to the formula, weigh the above components in proportion, add to a ball mill and mill for 30 minutes, filter, pump into the dispersion tank for 3 minutes at high speed, and then fully grind with a sand mill to control the particle diameter of the solid component within 2 microns , and stir evenly after grinding to obtain the oil suspension product. 100-120g per mu is used to control weeds in paddy fields, and the effect can reach 90%.

Embodiment 2

[0033] The preparation method of 24% quinclomidone·benzazone·cyhalofop-ethyl oil suspension concentrate: by mass percentage.

[0034]

[0035] Preparation method: with embodiment 1. 120-140g per mu is used to control weeds in rice fields, and the effect can reach 90%.

Embodiment 3

[0037] The preparation method of 32% quinclomidone·benzazone·cyhalofop-ethyl oil suspension concentrate: by mass percentage.

[0038]

[0039]

[0040] Preparation method: with embodiment 1. 80-100g per mu is used to control weeds in rice fields, and the effect can reach 90%.

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Abstract

The invention discloses a weeding composition containing dichloroquinoline oxadiazon. Active components of the weeding composition containing dichloroquinoline oxadiazon comprise dichloroquinoline oxadiazon, bentazone and cyhalofop-butyl. According to the weeding composition disclosed by the invention, due to different weeding mechanisms of dichloroquinoline oxadiazon, bentazone and cyhalofop-butyl, the complex synergism effect of dichloroquinoline oxadiazon, bentazone and cyhalofop-butyl is obvious, and the herbicide controlling spectrum is wide; the weeding composition containing dichloroquinoline oxadiazon is relatively good in prevention and treatment effect on broadleaf weeds, cyperus weeds and gramineous weeds; the drug use amount is reduced, so that the cost is reduced, and the weeding composition is safer; meanwhile, the drug resistance generated by the use of a single dosage can be relieved.

Description

technical field [0001] The invention relates to a herbicide for preventing and controlling weeds in rice fields, in particular to a herbicide composition containing quinclomid, bentazone and cyhalofop-ethyl, and belongs to the technical field of pesticides. Background technique [0002] In the global pesticide market, herbicides account for 43% of the market and are increasing year by year. Rice is the largest crop in my country, and the number of herbicide varieties registered nationwide also ranks first. At present, the leading herbicides for paddy fields are penoxsulam, fenpyramid, quinclorac, and butachlor. However, due to years of use, quinclorac has produced resistance to weeds in paddy fields, barnyardgrass; although butachlor has been used in a large area, it has also caused toxicity to aquatic organisms; Wettable powder is the main method, which has brought problems such as environmental pollution, drug efficacy and pesticide damage; at the same time, the evolutio...

Claims

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Application Information

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IPC IPC(8): A01N43/88A01N43/42A01N39/04A01N25/12A01N25/04A01P13/00
CPCA01N43/88A01N25/04A01N25/12A01N39/04A01N43/42A01N2300/00
Inventor 周凤艳张勇苏贤岩周振荣高同春沈艳
Owner PLANT PROTECTION & QUALITY & SAFETY OF AGRI PRODS INST ANHUI ACAD OF AGRI SCI
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