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Herbicide prepared by binary compounding of oxyfluorfen and trifluralin and preparation method thereof

A technology of oxyfluorfen and trifluralin, applied in herbicides and algaecides, botanical equipment and methods, chemicals for biological control, etc., can solve the problem of not being able to kill weeds with one-time medication , to achieve the effect of seedling safety and harm control

Inactive Publication Date: 2013-08-07
HUBEI AOSHITEAO LIFE SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the above herbicides cannot kill all the weeds at one time, and to provide a herbicide compounded with oxyfluorfen and trifluralin and its preparation method, referred to as "Baifu". Herbicide Sirius 5" and its preparation method

Method used

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  • Herbicide prepared by binary compounding of oxyfluorfen and trifluralin and preparation method thereof
  • Herbicide prepared by binary compounding of oxyfluorfen and trifluralin and preparation method thereof
  • Herbicide prepared by binary compounding of oxyfluorfen and trifluralin and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Take 3 grams of oxyfluorfen, add 10 ml of xylene (or acetone), stir and dissolve; add 12 grams of trifluralin, add 10 ml of xylene (or acetone), stir and dissolve; mix the two solutions, add 5 grams of tea The pesticide surfactant (SQ) 8208 of saponin, 10 gram emulsifier castor oil polyoxyethylene ethers 0206B, stirred for 15 minutes, added the xylene (or acetone) of surplus to make total mass 100 grams, stirred 20 minutes, static Place and filter to obtain the herbicide made of binary compound of oxyfluorfen and trifluralin.

Embodiment 2

[0036] Take 6.8 grams of oxyfluorfen, add 20 ml of xylene (or acetone), stir and dissolve; add 15 grams of trifluralin, add 20 ml of xylene (or acetone), stir and dissolve; mix the two solutions, add 10.5 grams of tea The pesticide surfactant (SQ) 8208 of saponin, 10.5 gram emulsifier castor oil polyoxyethylene ethers 0206B, stirred for 15 minutes, added the xylene (or acetone) of surplus to make total mass 100 grams, stirred 25 minutes, static Place and filter to obtain the herbicide made of binary compound of oxyfluorfen and trifluralin.

[0037] Example 3

[0038] Take 5 grams of oxyfluorfen, add 20 ml of xylene (or acetone), stir and dissolve; add 14 grams of trifluralin, add 20 ml of xylene (or acetone), stir and dissolve; mix the two solutions, add 13 grams of tea The pesticide surfactant (SQ) 8208 of saponin, 8 gram emulsifier castor oil polyoxyethylene ethers 0206B, stirred for 15 minutes, added the xylene (or acetone) of surplus to make total mass 100 grams, stirred ...

Embodiment 4

[0040] Take 10 grams of oxyfluorfen, add 20 ml of xylene (or acetone), stir and dissolve; add 10 grams of trifluralin, add 20 ml of xylene (or acetone), stir and dissolve; mix the two solutions, add 15 grams of tea The pesticide surfactant (SQ) 8208 of saponin, 20 gram emulsifier castor oil polyoxyethylene ethers 0206B, stirred for 15 minutes, added the xylene (or acetone) of surplus to make total mass 100 grams, stirred 30 minutes, static Place and filter to obtain the herbicide made of binary compound of oxyfluorfen and trifluralin.

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Abstract

The invention discloses a herbicide prepared by binary compounding of oxyfluorfen and trifluralin and a preparation method thereof. The herbicide consists of the following components in percentage by mass: 3 to 10 percent of oxyfluorfen, 10 to 30 percent of trifluralin, 5 to 15 percent of surfactant, 8 to 20 percent of emulsifying agent and the balance of solvent. The preparation method comprisesthe following steps of: in the mass ratio, adding solvent into the oxyfluorfen, and mixing and stirring; adding solvent into the trifluralin, and mixing and stirring; mixing and stirring the two mixtures; adding the emulsifying agent and the surfactant into a reaction kettle, stirring 10 to 15 minutes; adding the rest solvent, and stirring for 20 to 30 minutes; and standing, filtering, filling, and sampling and analyzing to obtain the finished product. The herbicide is a high-efficiency and broad-spectrum herbicide, and is used for tending tea gardens, orchards and young growth and preventingand removing weeds before and after seedlings come out after seeds of crops such as soybean, rape, potato, cotton, cabbage, hot pepper, sunflower and tobacco are sowed. 30 to 40 g of herbicide is used for each mu at one time, and can realize no weeds in the whole growth period of the crops; and the application cost is 56.4 to 44.3 percent lower than that of the oxyfluorfen and the trifluralin.

Description

technical field [0001] The invention relates to a herbicide and a preparation method thereof, in particular to a herbicide obtained by binary compounding of diphenyl ether oxyfluorfen and aniline herbicide trifluralin and a preparation method thereof. Background technique [0002] Oxyflufen is a contact herbicide that works in the presence of light. Pre-emergence and early post-emergence applications work best. Trifluralin is an aniline broad-spectrum herbicide, which is effective in controlling annual weeds in dryland crops. But you can't kill all the weeds at once. Contents of the invention [0003] The purpose of the present invention is to solve the problem that the above herbicides cannot kill all the weeds at one time, and to provide a herbicide compounded with oxyfluorfen and trifluralin and its preparation method, referred to as "Baifu". Herbicide Sirius 5" and its preparation method. [0004] The technical scheme that realizes the object of the present inventi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N33/22A01N33/18A01P13/00
Inventor 袁观银黄松钦
Owner HUBEI AOSHITEAO LIFE SCI CO LTD
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