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Synergized weeding composite

A herbicidal composition and composition technology, applied in the direction of herbicides, algicides, biocides, animal repellents, etc., can solve the problems of poor control effect on broad-leaved weeds in wheat fields, and reduce the amount of active ingredients , extend the duration of efficacy, and expand the effect of prevention and control spectrum

Inactive Publication Date: 2010-02-10
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the control effect on broad-leaved weeds in wheat fields is poor

Method used

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  • Synergized weeding composite
  • Synergized weeding composite

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1: 41% fentrazone-clodinac-propargyl wettable powder (mefentrazone: clodinac-propargyl = 40:1)

[0017] Mefentrazone 40%, clodinafop-propargyl 1%, sodium lauryl sulfate (wetting agent) 2%, sodium lignosulfonate (dispersant) 3%, NO (dispersant) 5%, kaolin supplemented to 100% .

Embodiment 2

[0018] Example 2: 21% wettable powder of mefentrazone·clodinafop-propargyl (mefentrazone:clodinafop-propargyl=7:1)

[0019] Mefentrazone 20%, clodinafop-propargyl 1%, sodium lauryl sulfate (wetting agent) 2%, sodium lignosulfonate (dispersant) 3%, NNO (dispersant) 5%, kaolin supplemented to 100% .

Embodiment 3

[0020] Example 3: 18% wettable powder of mefentrazone·clodinafop-propargyl (mefentrazone:clodinafop-propargyl=1:1)

[0021] Mefentrazone 9%, clodinafop-propargyl 9%, tea dry powder (wetting agent) 5%, sodium lignosulfonate (dispersant) 3%, NNO (dispersant) 5%, kaolin supplemented to 100%.

[0022] 2, the processing and embodiment of suspending agent

[0023] The active ingredients mefentrazone and clodinafop-propargyl, dispersant, wetting agent, thickener and water are mixed evenly according to the proportion of the formula, and after sand milling and / or high-speed shearing, a semi-finished product is obtained, which is supplemented after analysis. Add water to mix evenly and filter to get the finished product.

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PUM

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Abstract

The invention discloses a weeding composite with synergized action and is characterized in that the effective components are carfentrazone-ethyl and clodinafop-propargyl and the weight ratio of carfentrazone-ethyl to clodinafop-propargyl is 40:1-1:20. The combination of carfentrazone-ethyl and clodinafop-propargyl plays an action of synergized action and can expand effective control spectrum. Theweeding composite with synergized action of the invention can be used for preventing and killing off various weeds in wheat fields.

Description

technical field [0001] The invention relates to a herbicidal composition with synergistic effect, in particular to a herbicidal composition containing active ingredients mefentrazone and clodinafop-propargyl, and the application of the composition in controlling weeds in wheat fields. Background technique [0002] Weeds and crops compete for glory and water and fertilizer in farmland, and are also important latent and boarding places for pests and diseases, causing huge losses to agricultural production. At present, chemical weeding with herbicides is an important means of weed control in wheat fields. However, among the existing herbicides, some species are only effective against dicotyledonous weeds, but have poor control effects on monocotyledonous weeds, such as 2,4-D-butyl ester, tribenuron-methyl, disulfuron-methyl, etc. , Some species are only highly effective against monocotyledonous weeds, but poor against broad-leaved weeds, such as fenoxaprop-ethyl, clodinafop-pr...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01N43/40A01P13/00
Inventor 刘忠义曹明章桂艳男程凯王新军孔建
Owner SHENZHEN NOPOSION AGROCHEM
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