Hexazinone, diuron and ametryn compound weedicide

A compound herbicide, diuron technology, applied in the field of pesticides, can solve the problems of pesticide compounding, huge capital investment, long research and development cycle, etc., and achieve the effect of controlling breeding

Inactive Publication Date: 2013-06-05
XINYI AGRI CHEM PLANT JIANGSU PROV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

2. Compounding of existing pesticides
The research and development of new pesticide pr

Method used

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  • Hexazinone, diuron and ametryn compound weedicide
  • Hexazinone, diuron and ametryn compound weedicide
  • Hexazinone, diuron and ametryn compound weedicide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] (1) Experimental target

[0023] Bald weed, Echinochloa crusgalli (L.) Beauv

[0024] Copperhammer (Sour Mimi, Red Sorrel): Oxalis corymbosa DC L.

[0025] (2) Instruments and equipment

[0026] Solar greenhouse, electronic balance, a set of precision pipettes (1000-5000μl; 100-1000μl; 20-100μl) volumetric flasks, beakers, measuring cylinders, porcelain pots and Potter sprayers, etc.

[0027] (3) Test soil

[0028] The test adopts farmland topsoil with organic matter ≤ 3, neutral PH value, and good permeability, air-dried naturally, sieved, and quantitatively filled to 4 / 5 of the pot.

[0029] (4) Test materials

[0030] Weed seeds are first soaked in warm water at 40°C, then shaded with gauze, placed in a sponge-covered Petri dish, moistened with water to accelerate germination, and sowed after the seeds are white, filled to 4 / 5 of the pot for the test, and then removed from the bottom of the pot. Irrigate to make the soil fully moist to saturated, sow the pretrea...

Embodiment 2

[0066] Hexazinone 10%, Diuron 8%, Ametrazine 20%, Alkylphenol Polyoxyethylene Ether 4%, Polyoxyethylene Polyoxypropylene Block Compound 5%, Xanthan Gum 2%, Vegetable Oil Supplement 100 %, according to the conventional preparation method, it is formulated into an oil suspension concentrate whose active ingredient mass percent content is 38%.

Embodiment 3

[0068] Hexazinone 10%, Diuron 20%, Ametrazine 30%, Sodium methylnaphthalene sulfonate formaldehyde condensate 6%, Nonylphenol polyoxyethylene ether 3%, Magnesium aluminum silicate 0.5%, Ethylene glycol 7%, tributyl phosphate 2%, mineral spirits 20%, water to 100%, according to the conventional preparation method, it is formulated into a water emulsion with a mass percentage content of 60%.

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Abstract

The invention belongs to the field of pesticides and relates to a hexazinone, diuron and ametryn compound weedicide. The weeding composition comprises hexazinone, diuron and ametryn, wherein the weight ratio of the hexazinone to the diuron to the ametryn is (75-150): (75-300): (150-600). After three components are blended, weeding activity is improved in certain extent compared with each single dosage after the three components are blended, a weeding spectrum is expanded, a combined effect to the tested weeds is a synergistic effect after three drugs are blended, and the hexazinone, diuron and ametryn compound weedicide can be applied to preparation of a weedicide used for preventing and removing weeds in sugarcane fields.

Description

technical field [0001] The invention belongs to the field of pesticides and relates to a compound herbicide of hexazinone, diuron and ametrazin. Background technique [0002] The control of weeds is very important in agricultural production. There are about 8,000 species of weeds growing in farmland all over the world. Weeds in farmland compete with crops for light, water, fertilizer and growth space, affecting crop growth and photosynthesis, hindering crop ventilation, ventilation, heat dissipation, etc.; some weeds Root exudates are toxic to crops. For example, wild oat root exudates can inhibit the growth of corn; in addition, many weeds are also hosts of pests, bacteria, and viruses. Pests and diseases such as goosegrass and crabgrass spread rice blast. Weeds in farmland directly or indirectly endanger crop yield, quality and quality, and pose a serious threat to agricultural production. [0003] Hexazinone, English name: Hexazinone (CAS No.51235‐04‐2), Chinese chemic...

Claims

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Application Information

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IPC IPC(8): A01N47/30A01N43/70A01N43/64A01P13/00
Inventor 梁华中郑善龙韩效同谢印刚胡俊李强晁金鸽刘建军陈弘祥
Owner XINYI AGRI CHEM PLANT JIANGSU PROV
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