Composite herbicide and preparation method thereof
A compound herbicide and adjuvant technology, applied in the directions of herbicides and algaecides, botanical equipment and methods, biocides, etc., can solve the problems of decreased herbicidal effect and aggravated succession of weed communities with drug-resistant weeds, etc. To achieve the effect of short residual period, enhanced herbicidal effect, and enlarged weed killing range
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Embodiment 1
[0030] A compound herbicide comprising the following components by mass fraction: 3% trifluxysulfuron-methyl, 5% pyrizachlor, 5% quizalofop-p-ethyl, 8% beta-halofop-pyl, 9% adjuvants, Solvent 70%.
[0031] Among them, the auxiliary agent is an emulsifier, and the emulsifier contains the following components by mass fraction (accounting for the total mass): S-40 4%, T-80 3%, Nongru 606 1% and Nongru 500# 1%; the solvent is methyl oleate.
[0032] The preparation method of the compound herbicide in this example comprises: according to the above percentages, mixing triflupyrsulfuron-methyl, pyriflux-methyl, quizalofop-p-ethyl, adjuvants and solvents together, and after ball milling and sand milling, trifluorosulfuron-methyl is obtained. pyrisulfuron-methyl, pyrimiazin, quizalofop-p-ethyl oil suspension concentrate; add high-efficiency haloxyfop-pylene and additives into the preparation kettle, and stir evenly to obtain high-efficiency haloxyfop-methyl emulsifiable oil; then add ...
Embodiment 2
[0035] A compound herbicide comprising the following components by mass fraction: 10% triflusulfuron-methyl, 15% pyriflux-methyl, 8% quizalofop-p-ethyl, 10% beta-halofop-pyl, 15% adjuvants, Carrier 42%.
[0036] Among them, the auxiliary agent contains 9% of dispersant and 6% of emulsifier, the dispersant is naphthalene sulfonate, the emulsifier is anionic surfactant K-12; the carrier is white black carbon and kaolin.
[0037] The preparation method of the compound herbicide of the present embodiment comprises: absorbing high-efficiency haloxyfop-methyl with white carbon black and then mixing with trifluxysulfuron-methyl, pyrizachlor, quizalofop-p-ethyl, naphthalenesulfonate, K-12, After the kaolin is mixed evenly, it is jet-milled to obtain 43% wettable powder.
[0038]
Embodiment 3
[0040] A compound herbicide comprising the following components by mass fraction: 8% trifluxysulfuron-methyl, 12% pyriflux-methyl, 17% quizalofop-p-ethyl, 18% beta-halofop-pyl, 12% adjuvants, Carrier 33%.
[0041] Among them, the auxiliary agent contains 6% dispersant and 2% emulsifier, the dispersant is naphthalene sulfonate, the emulsifier is anionic surfactant K-12; the carrier is white black carbon and diatomaceous earth.
[0042] The preparation method of the compound herbicide in this example comprises: after absorbing high-efficiency haloxyfop-methyl with white carbon black, mixing it with trifluxysulfuron-methyl, pyriflux-methyl, quizalofop-p-ethyl, K-12 and diatomaceous earth, Then it is crushed by airflow, and then granulated to obtain 55% dispersible granules.
[0043]
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