Inventors:
Merrill Wilcox - Gainesville FL
International Classification:
A01N 920
Abstract:
A method of aiding in harvesting fruit wherein abscission is induced by application to the fruit bearing plant of an effective amount of a compound of the formula ##STR1## or a salt thereof, wherein R. sub. 1 is hydrogen, halogen, alkyl, alkenyl, phenylalkyl or furyl, R. sub. 2 is hydrogen, alkyl, cycloalkyl, phenyl, carboxy, carbalkoxy, carbanilido, heterocyclic or a group ##STR2## in which R. sub. 1 ' has the same meanings as R. sub. 1, n is an integer from 0 to 3, and wherein R. sub. 1 and R. sub. 2 when taken together form a C. sub. 3 -C. sub. 12 ring and R. sub. 3 and R. sub. 4 represent hydrogen, alkyl, alkenyl, alkylcarbonyl, phenylcarbonyl, N-alkylcarbamoyl, N-alkylthiocarbamoyl, N,N-dialkylcarbamoyl, phenylcarbamoyl, phenylalkyl, alkoxycarbonyl, phenoxycarbonyl, phenylalkoxycarbonyl, alkylthiocarbonyl, phenylthiocarbonyl,. alpha. -furyl and tetrahydropyranyl.