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
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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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