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A kind of herbicidal composition whose active ingredients are diflufenamide and pretilachlor

A herbicidal composition, a technology of diflufenac, applied in the directions of herbicides, algicides, biocides, animal repellants, etc., can solve problems such as poor root absorption, and achieve good control effect, synergistic complementarity, etc. Effective, synergistic effect

Active Publication Date: 2019-03-12
ADAMA HUIFENG (JIANGSU) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Weed seeds absorb chemicals during germination, and root absorption is poor
Can only be used as pre-emergent soil treatment

Method used

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  • A kind of herbicidal composition whose active ingredients are diflufenamide and pretilachlor
  • A kind of herbicidal composition whose active ingredients are diflufenamide and pretilachlor
  • A kind of herbicidal composition whose active ingredients are diflufenamide and pretilachlor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1: 21% diflufenamide · pretilachlor wettable powder

[0034] Diflufenamide 20%, pretilachlor 1%, sodium lignosulfonate 5%, alkyl sulfonate 6%, white carbon black 10%, kaolin supplemented to 100%.

Embodiment 2

[0035] Embodiment 2: 33% diflufenamide · pretilachlor wettable powder

[0036] Diflufenamide 3%, pretilachlor 30%, sodium lignosulfonate 6%, white carbon black 4%, polyoxyethylene octyl phenyl ether 2%, and diatomaceous earth make up to 100%.

Embodiment 3

[0037] Embodiment 3: 64% Diflufenamide Pretilachlor wettable powder

[0038] Diflufenamide 4%, pretilachlor 60%, sodium sulfonate 5%, sodium methylnaphthalene sulfonate formaldehyde condensate 4%, bentonite 4%, white carbon black supplemented to 100%.

[0039] (2) Processing and Examples of Water Dispersible Granules

[0040]The active ingredient diflufenicin and pretilachlor, additives and fillers are mixed evenly according to the ratio of the formula, crushed into a wettable powder by air flow, then mixed with a certain amount of water, extruded and granulated, dried and screened to produce A water-dispersible granule product is obtained.

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PUM

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Abstract

The invention discloses a herbicidal composition containing active ingredients diflufenican and pretilachlor. Weight ratio of diflufenican to pretilachlor is 1: 0.03-30. It shows through pharmacodynamic tests that the composition has positive characteristics of strong complementarity, obvious synergism, wide herbicide controlling spectrum, reduced dosage, prolonged appropriate period for spraying, high safety to crops, reduced environmental pollution, strong environmental compatibility, etc.

Description

technical field [0001] The invention belongs to the field of agricultural plant protection, and in particular relates to a herbicidal composition with improved performance, in particular to a synergistic herbicidal composition whose active ingredients are diflufenamide and pretilachlor. Background technique [0002] Active ingredient diflufenican (diflufenican) This drug belongs to the class of carotenoid biosynthesis inhibitors. Cause chlorophyll damage and cell rupture, plant death. Diflufenamide is an amide herbicide, applied before and after weed germination can form a leaching-resistant medicinal soil layer on the soil surface, and maintain activity throughout the crop growth period. When the weeds germinate and pass through the medicinal soil layer, the young shoots or roots can absorb the drug. Diflufenican can inhibit the biosynthesis of carotenoids. The content of carotenoids in the weed plants that absorb the drug decreases, resulting in the destruction of chlorop...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/40A01N37/22A01P13/00
CPCA01N37/22A01N43/40A01N2300/00
Inventor 仲汉根季红进
Owner ADAMA HUIFENG (JIANGSU) LTD