Effect of Foliar Application by Abscisic acid (ABA) and Vitamin C and Interaction of Them on Some Vegetable Characters of Pea Plant (Pisum sativum L.)

Abstract

The field experimental was conducted at botanical garden of Department of Biology, College of Education for Pure Science (Ibn Al-Haitham), University of Baghdad during the growth season 2016-2017 to study the effect of different concentration (0,10, 20) mg.L-1 of ABA and with (0, 50, 100, 150) mg.L-1 vitamin C and interaction of them on some vegetable characters of pea (Pisum sativum L.). The results showed that ABA decreased plant height, leaves number and nodes number. The vitamin C increased plant height, branches number, leaves number, nodes number and chlorophyll content of leaves compared with control plants.