A herbicidal composition comprising oxamazone and dithiopyr

A herbicidal composition, the technology of cyclopentazone, which is applied in the direction of herbicides, algicides, biocides, animal repellants, etc., can solve environmental pollution, has no reports of cyclopentazone, and increases weed control In order to achieve the effect of reducing the dosage, slowing down the resistance of weeds and improving the control effect

Active Publication Date: 2021-10-12
HEFEI XINGYU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Long-term single use of herbicides is likely to cause serious resistance to weeds, thereby increasing the dosage of herbicides and causing pollution to the environment. It is a research and development hotspot to find a synergistic composition that can improve the weeding effect and reduce the dosage of active ingredients.
In the prior art, there is no relevant literature report on compounding cyclopentazone and dithiopyr

Method used

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  • A herbicidal composition comprising oxamazone and dithiopyr

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] 50% cyclopentazone · dithiopyr water dispersible granules

[0018] Cyclopentazone 25%, dithiopyr 25%, pull open powder 8%, polycarboxylate 5%, calcium lignosulfonate 5%, urea 3%, hydroxypropyl cellulose 3%, white charcoal Black 4%, kaolin topping 100%.

Embodiment 2

[0020] 40% cyclopentazone·dithiopyr wettable powder

[0021] Cyclopentazone 35%, dithiopyr 5%, calcium dodecylbenzenesulfonate 4%, naphthalenesulfonic acid formaldehyde condensate sodium salt 6%, pull-off powder 4%, white carbon black 4%, kaolin Make up 100%.

[0022] Biological Example 1: Indoor Determination of Combination of Cyclopentazone and Dithiopyr on Combina

[0023] Weeds for testing: Cottonia chinensis seeds (Institute of Plant Protection and Agricultural Product Quality and Safety, Anhui Academy of Agricultural Sciences).

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Abstract

The invention provides a herbicidal composition comprising cyclopentazone and dithiopyr, the active ingredient comprises cyclopentazone and dithiopyr, and the mass ratio of cyclopentazone and dithiopyr 1‑20:1‑20. The herbicidal combination of the invention can be used for controlling annual weeds in paddy fields, and has significant synergistic effect.

Description

technical field [0001] The invention belongs to the field of herbicides, and in particular relates to a herbicidal composition comprising cyclopentazone and dithiopyr and application thereof. Background technique [0002] Cyclomazone is a new type of oxazolidinedione herbicide; cyclopentazone has a wide control spectrum, and it is effective against barnyardgrass, bermudagrass, water chestnuts, Moshangcai, Yujiuhua and some sedges Grass and other annual weeds in paddy fields have good control effect. Dithiopyr is a pyridinecarboxylic acid herbicide; it can control annual weeds such as barnyardgrass, bermudagrass, heteromorphous sedge, knotweed, and Alisma narrow-leaf. The herbicidal activity of the herbicide is not affected by changes in environmental factors, is safe for rice, and lasts for 80 days. [0003] Long-term single use of herbicides is likely to cause serious drug resistance in weeds, thereby increasing the dosage of herbicides and polluting the environment. Find...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/76A01N43/40A01P13/00
CPCA01N43/40A01N43/76
Inventor 周凤艳张勇韩云静武健沈艳刘小林
Owner HEFEI XINGYU CHEM
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