| abstract |
A composition for growth regulation of plants or for defoliating plants comprises in combination (a) at least one compound of the formula <IMAGE> wherein R1 is hydrogen or alkyl of 1 to 3 carbon atoms and R2 is hydrogen or alkyl of 1 to 4 carbon atoms and R3 is alkyl of 1 to 4 carbon atoms, cycloalkyl of 5 to 8 carbon atoms, phenyl, halogenophenyl, methylphenyl, methoxyphenyl is nitrophenyl and X is oxygen or sulfur and (b) at least one other plant growth regulating or defoliating agent which, in combination with the compound at (a) results in a synergistic effect in regard to the growth regulating and defoliant properties. The composition is particularly suited for the defoliation of cotton plants. |