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Herbicide prepared by binary combination of pendimethalin and prometryn and preparation method thereof

A technology of pendimethalin and promethon, which is applied to herbicides and algicides, botany equipment and methods, chemicals for biological control, etc., and can solve the problem of not being able to achieve weed-free crops in the whole growth period of one-time medication. Harm and other issues, to achieve the effect of crop safety

Inactive Publication Date: 2011-02-16
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-mentioned herbicides cannot reach the problem of no weed damage in the whole growth period of the crops once used for one application, and provide a herbicide made of binary compound of pendimethalin and proturon and its preparation method, referred to as "Baishehu·Sirius No. 12" and its preparation method

Method used

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  • Herbicide prepared by binary combination of pendimethalin and prometryn and preparation method thereof
  • Herbicide prepared by binary combination of pendimethalin and prometryn and preparation method thereof
  • Herbicide prepared by binary combination of pendimethalin and prometryn and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0032] Get 35 grams of pendimethalin and add 10 milliliters of ethanol (or acetone), stir and dissolve; add 5 grams of promethazine and add 10 milliliters of ethanol (or acetone), stir and dissolve; mix the two solutions, add 5 grams of tea saponin-containing Pesticide synergist QB-10, 10 grams of emulsifier castor oil polyoxyethylene ether 0206B, stirred for 15 minutes, added a surplus of ethanol (or acetone) to make a total mass of 100 grams, stirred for 20 minutes, left standstill, filtered, and obtained A herbicide formulated with pendimethalin and promethazine binary compound.

Embodiment 2

[0034] Get 30 grams of pendimethalin and add 20 milliliters of ethanol (or acetone), stir and dissolve; add 10 grams of promethazine and add 20 milliliters of ethanol (or acetone), stir and dissolve; mix the two solutions, add 6.5 grams of tea saponin-containing Pesticide synergist QB-10, 10.5 grams of emulsifier castor oil polyoxyethylene ether 0206B, stirred for 15 minutes, added a surplus of ethanol (or acetone) to make a total mass of 100 grams, stirred for 25 minutes, left standstill, filtered, and obtained A herbicide formulated with pendimethalin and promethazine binary compound.

Embodiment 3

[0036] Get 25 grams of pendimethalin and add 20 milliliters of ethanol (or acetone), stir to dissolve; add 15 grams of promethazine to 20 milliliters of ethanol (or acetone), stir and dissolve; mix the two solutions, add 8 grams of tea saponin-containing Pesticide synergist QB-10, 8 grams of emulsifier castor oil polyoxyethylene ether 0206B, stirred for 15 minutes, added the remaining amount of ethanol (or acetone) to make a total mass of 100 grams, stirred for 30 minutes, left standstill, filtered, and obtained A herbicide formulated with pendimethalin and promethazine binary compound.

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Abstract

The invention relates to a herbicide prepared by the binary combination of pendimethalin and prometryn and a preparation method thereof. The herbicide comprises the following components in percentage by weight: 10-40 percent of pendimethalin, 5-30 percent of prometryn, 5-15 percent of synergistic agent, 8-20 percent of emulsifying agent and the balance of solvent. A preparation method of the herbicide comprises the following steps of: in a reaction kettle, according to the percentage by weight, mixing and stirring the pendimethalin and the solvent; mixing and stirring the prometryn and the solvent; mixing and stirring the two solutions; adding the emulsifying agent and the synergistic agent into the reaction kettle together to mix for 10-15 minutes; adding the balance of solvent to mix for 20-30 minutes; then, standing; filtering; filling; sampling; analyzing; and preparing a finished product. The herbicide is a high-efficiency broad-spectrum herbicide, is used for soil spray in a preemergence weed mass budding initial period before or after sowing economic crops of cotton, peanuts, an orchard, a mulberry field, a tea garden, tobaccos, and the like, can completely realize the no weed disease of crops in time of infertility when being applied 120-180g per mu, and the applying cost of the herbicide is 19.8-21.3 percent lower than the cost of the solely-applied pendimethalin or the solely-applied prometryn.

Description

technical field [0001] The invention relates to a herbicide and a preparation method thereof, in particular to a herbicide prepared by binary compounding of the aniline herbicide pendimethalin and the diazepine herbicide promethazin and the preparation method thereof. Background technique [0002] Pendimethalin is a broad-spectrum herbicide that is effective in controlling annual weeds in dryland crops. Pre-emergence and early post-emergence applications work best. Promethazine is a selective pre-emergence herbicide, which is effective in controlling annual weeds in dryland crops. However, the single application of the two kinds of single doses cannot achieve no weed damage in the whole growth period of crops. Contents of the invention [0003] The purpose of the present invention is to solve the problem that the above-mentioned herbicides cannot reach the problem of no weed damage in the whole growth period of the crops once used for one application, and provide a herbi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/16A01N43/70A01P13/00A01N33/18
Inventor 袁观银黄松钦
Owner HUBEI AOSHITEAO LIFE SCI CO LTD
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