[Residue retention of ethephon on stone fruits and berries. 2. Ethephon residues in currants and gooseberries].

Studies on the residual behaviour of Ethephon on black and red currants showed that the fruits contained on an average 0.39, 0.81, 2.2 and 0.64, 1.14, 1.04 p.p.m. of Ethephon, respectively, after application of 0.04, 0.06 and 0.08%. Flordimex mixture. When a concentration of 0.08% was applied to gooseberries, the fruits contained on an average 0.31 p.p.m. of Ethephon. The juice of black currants contained relatively larger residues.