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Thidiazuron-containing compound synergistic herbicide and application thereof

A compound herbicide and compound synergistic technology, applied in the directions of herbicides and algicides, applications, biocides, etc., can solve the problems of weed resistance and single type of herbicide, and reduce the cost of drug use and environmental pollution, Easy to degrade and control the harm of weeds

Active Publication Date: 2019-04-26
INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of weed resistance caused by herbicides in cotton fields and the single type of weeding, the invention provides a compound synergistic herbicide containing thiadizuron and its application

Method used

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  • Thidiazuron-containing compound synergistic herbicide and application thereof
  • Thidiazuron-containing compound synergistic herbicide and application thereof
  • Thidiazuron-containing compound synergistic herbicide and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1: 25% WP

[0026] Formula (weight ratio): pyrizachlor 5%, oxoxalic acid 15%, thiadizuron 5%, sodium lauryl sulfate 8%, sodium lignosulfonate 4%, white carbon black to make up 100%.

[0027] Preparation method: Mix active ingredients and additives evenly, and pulverize with jet mill to obtain wettable powder.

Embodiment 2

[0028] Embodiment 2: 30% water suspension concentrate

[0029] Formula (weight ratio): pyrizachlor 8%, oxoxalic acid 15%, thiadizuron 7%, fatty alcohol polyoxyethylene ether 2%, sodium lignosulfonate 5%, ethylene glycol 5%, xanthan gum 0.3%, water makes up 100%.

[0030] Preparation method: first mix the additives and then mix them uniformly by high-speed shearing, then add active ingredients and grind them fully in a sand mill so that the particle diameters are all below 5 μm to prepare a water suspension.

Embodiment 3

[0031] Example 3: 55% WP

[0032] Formula (weight ratio): 20% of pyrizachlor, 30% of oxoxalic acid, 5% of thiadizuron, 10% of sodium lauryl sulfate, 5% of sodium lignosulfonate, and 100% of diatomaceous earth.

[0033] Preparation method: Mix active ingredients and additives evenly, and pulverize with jet mill to obtain wettable powder.

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PUM

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Abstract

The invention discloses a thidiazuron-containing compound synergistic herbicide and the application thereof. The herbicide is compounded by active components pyrithiobac-sodium, propaquizafop and thidiazuron. Compared with each single agent, the compound herbicide provided by the invention broadens an herbicidal spectrum under the premise of improving herbicide effects, kills gramineous weeds andbroadleaf weeds, has a quick-acting property and long lasting period, delays herbicide resistance of weeds, is safe for cotton and after-reap crops, and can be used for tillage-free weeding before planting in forest lands, non-cultivated lands, orchards or dryland crop fields, or inter-row weeding for post-emergence of cottons, corns and the like.

Description

technical field [0001] The invention relates to a compound synergistic herbicide containing thiadiuron and an application thereof, belonging to the technical field of pesticide compounding. Background technique [0002] Cotton is an important strategic material related to the national economy and the people's livelihood. It is second only to grain in the supply of bulk agricultural products in the country. However, the harm of weeds in cotton fields in my country is serious, and the annual loss is 14% to 16%, which seriously restricts the high-quality and efficient production of cotton. Chemical weeding has become a vital plant protection technology for weed control in cotton fields in my country. However, due to the lack of scientific knowledge of the use of herbicides in my country, farmers are accustomed to large doses, repeated and single use of chemicals to control weeds. Target weeds have developed resistance to herbicides. [0003] At least 5 important weeds in my co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/36A01N43/54A01N43/60A01P13/00
CPCA01N43/54A01N43/60A01N47/36
Inventor 姜伟丽马艳任相亮宋贤鹏马小艳王丹胡红岩马亚杰
Owner INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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