FIELD: agriculture. SUBSTANCE: desired derivatives are prepared by reaction of 2,4-dichloorphenoxyacetic acid or its amide with appropriate aryl sulfonylisocyanate, molar ratio of reagents being 1:1. Said reaction is carried out in medium of anhydrous solvent or without it. Proposed compounds are used for presowing treatment of sunflower seeds. Thus additional weight of its greenery mass increases by 42-52 centners per hectare. EFFECT: novel growth stimulator is prepared. 8 tbl
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Authors
Dates
1995-04-10—Published
1988-07-05—Filed