Cotton defoliant compounded from iso-PhABA and thidiazuron and application
A defoliant, abscisic acid technology, used in applications, biocides, animal repellents, etc.
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Embodiment 1
[0027] The preparation of the defoliant (A) in wettable powder dosage form, the preparation method is to fully mix benzisoabscisic acid, thiadizuron and auxiliary agents, and pulverize through a jet mill to obtain wettable powder dosage forms with different active ingredient contents Defoliant for machine-picked cotton. The purity of the original medicine of benzisoabscisic acid is 98%. Thididiuron used was purchased from Jiangsu Hormone Research Institute Co., Ltd., and the purity of the original drug was 98%. In this embodiment, sodium dodecylbenzenesulfonate (chemically pure), sodium lignosulfonate (chemically pure) and kaolin (4000 mesh) are selected as the additives. It should be noted that the percentages in the formulations described in this embodiment are all weight (mass) percentages.
[0028] Defoliant A-1: the mass fraction of benzisoabscisic acid is 0.01%, the mass fraction of thidiazuron is 5%, the mass fraction of sodium dodecylbenzenesulfonate is 10%, the ma...
Embodiment 2
[0033] The preparation of the defoliant (B) in the form of water-dispersible granules, the preparation method is to fully mix benzisoabscisic acid, thiadizuron, and auxiliary agents, pulverize through a jet mill, granulate, dry, and sieve , to obtain a machine-harvested cotton defoliant in the form of water-dispersible granules. The purity of the original medicine of benzisoabscisic acid is 98%. Thididiuron used was purchased from Jiangsu Hormone Research Institute Co., Ltd., and the purity of the original drug was 98%. In this embodiment, the auxiliary agent is selected from sodium dodecylbenzenesulfonate (chemically pure), sodium lignosulfonate (chemically pure), sodium sulfate (chemically pure), sodium carboxymethylcellulose (chemically pure) ) and kaolin (4000 mesh). It should be noted that the percentages in the formulations described in this embodiment are all weight (mass) percentages.
[0034] Defoliant B-1: the mass fraction of benzisoabscisic acid is 0.05%, the ma...
Embodiment 3
[0039] The preparation of the defoliant (C) of water suspension dosage form, its preparation method is that benzisoabscisic acid, thiadizuron, and auxiliary agent are fully mixed, pulverized by jet mill and then ground, then mixed with xanthan gum, shearing, to obtain the machine-harvested cotton defoliant in the form of water suspension formulation. The purity of the original medicine of benzisoabscisic acid is 98%. Thididiuron used was purchased from Jiangsu Hormone Research Institute Co., Ltd., and the purity of the original drug was 98%. In this embodiment, the auxiliary agent is selected from pull-off powder BX (chemically pure), sodium lignosulfonate (chemically pure), ethylene glycol (chemically pure), Kathon (chemically pure), organic silicon defoamer (chemically pure) and kaolin (4000 mesh). It should be noted that the percentages in the formulations described in this embodiment are all weight (mass) percentages.
[0040] Defoliant C-1: the mass fraction of benziso...
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