SALTS OF ESTERS OF CHRYSANTHEUMIC ACID AND THEIR USE AS PLANT GROWTH REGULATORS

摘要

1338432 Plant growth regulation using esters of chrysanthemumic acid STAUFFER CHEMICAL CO 19 April 1971 [2 April 1970] 20802/71 Heading C1B [Also in Division C2] Plant growth regulating compositions comprise a compound of formula wherein R 1 , R 2 and R 4 are C 1-6 alkyl, C 4-6 cycloalkyl, C 2-6 alkenyl or alkynyl, benzyl, halobenzyl, phenyl or halophenyl groups, R 3 is a C 1-6 alkylene group and X is a chloride, bromide or iodide anion (see Division C2) in an inert diluent. In Examples 10 and 11 a mixture of a compound as above in acetone/H 2 O together with a dispersing agent is applied to corn, nilo, cotton, peas, sunflowers, cabbages, soybeans and cucumbers and the effects of stunting described.