Effect of ABA and GA3on tuberization and some chemical constituents of potato1

摘要

The effects of abscisic acid (ABA) and gibberellic acid (GA3) on the chemical composition of and tuberization in the potato were studied. GA3at 10−6M inhibited and ABA at an equimolar concentration promoted tuberization. The inhibitory effect of GA3was relieved by the addition of ABA. The fresh weight of the shoot, chlorophyll content and the total glycoalkaloids level were increased by GA3treatment, but decreased by ABA treatment. In contrast, total proteins were increased by ABA, but decreased by GA3treatmen