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Mixed herbicide containing propaquizafop and oxyfluorfen, and application thereof

A technology of oxyfluorfen and oxoxalic acid, which is applied in the field of pesticides, can solve the problems of no compound herbicidal composition, etc., and achieve the effects of reducing weed resistance, expanding the spectrum of weed killing, and broadening the spectrum of weed control

Inactive Publication Date: 2018-12-14
ANHUI YOUNGSUN PESTICIDES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there is no compound herbicidal composition of oxoxalic acid and oxyfluorfen

Method used

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  • Mixed herbicide containing propaquizafop and oxyfluorfen, and application thereof
  • Mixed herbicide containing propaquizafop and oxyfluorfen, and application thereof
  • Mixed herbicide containing propaquizafop and oxyfluorfen, and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example 1: Toxicity determination of oxalic acid and oxyfluorfen on barnyardgrass in the laboratory.

[0030] Test material: barnyard grass.

[0031] Test method: small cup method. Take a 50ml beaker, and place a double-layer filter paper on the bottom; add 5ml of a similar concentration of medicinal solution to each beaker, select 10-12 barnyardgrass seeds of the same size and bud length, and sow them in the beaker; place all treatments in an artificial climate box Internal moisture culture; measure the fresh weight after 4 days of treatment. Calculate growth inhibition rate. Growth inhibition rate=(fresh weight of control-fresh weight of treatment) / fresh weight of control*100%. Regression analysis was performed with DPS standard software to obtain the EC50 value, and then the co-toxicity coefficient (CTC) was calculated according to Sun Yunpei's method.

[0032] When CTC≤80, the composition exhibits antagonistic effect; when 80

Embodiment 2

[0039] Embodiment 2 preparation formula embodiment

[0040] Preparation 1: 30% oxoxalic acid · oxyfluorfen oil suspension concentrate

[0041]

[0042] Preparation 2: 35% oxoxalic acid·ethoxyfluorfen suspension concentrate

[0043]

[0044] Formulation 3: 50% oxoxalic acid · oxyfluorfen wettable powder

[0045]

[0046] Preparation 4: 38% oxoxalic acid·ethoxyfluorfen water dispersible granules

[0047]

[0048]

Embodiment 3

[0049] Example 3 Combination of oxoxalic acid and oxyfluorfen for controlling weeds in the field.

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Abstract

The invention provides a mixed herbicide containing propaquizafop and oxyfluorfen, and application thereof. The active components of the mixed herbicide are propaquizafop and oxyfluorfen in a weight ratio of 1: 60 to 60: 1. The mixed herbicide has substantial synergistic effect and can be used for prevention and treatment of weeds.

Description

technical field [0001] The invention belongs to the field of pesticides, in particular to a mixed herbicide containing oxoxalic acid and oxyfluorfen and its application. Background technique [0002] Oxalic acid is an aryloxyphenoxypropionate selective herbicide, and it is an acetyl-CoA carboxylase (ACCase) inhibitor. After the stems and leaves are treated, they are quickly absorbed by the weed leaves, transmitted to the whole plant, and accumulated in the meristem Tissues, inhibiting the activity of acetyl-CoA carboxylase in weeds, resulting in the blockage of fatty acid synthesis and killing weeds. It is mainly used for the control of many annual and perennial grass weeds, and the control effect is best when the weeds are sprayed in the seedling and growth stages. [0003] Oxyflufen is a diphenyl ether herbicide with a wide range of applications, a wide herbicidal spectrum, a long duration of action, less dosage per mu, and convenient use. It can be used in combination wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/60A01N33/22A01P13/00
CPCA01N33/22A01N43/60
Inventor 朱怀铜汪云强张传奇梅洪玲夏葵吴文静黄永灿
Owner ANHUI YOUNGSUN PESTICIDES
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