SEED HYDROPRIMING TO ALLEVIATE DROUGHT STRESS IN GERMINATION OF TWO SENSITIVE COTTON (gossypium hirsutum L.) VARIETIES
Drought is a serious threat to cotton growing. This study aims to evaluate effect of hydropriming on seed germination of two varieties of cotton, STAM 129A and STAM 190, under drought stress. Seeds are primedfor3, 6, 9, 12, 15 and 18 hours. The germination test was carried out in 90 mm Petri dishes, at 0, -3, -6 and -9 bar adjusted by PEG-6000, and lasted 7 days. Germination percentage (GP), mean germination time (MGT), germination index (GI) and the relative PEG injury rate (RPIR) was then calculated.