Safflower Performance under Different Water Intervals in North and Khartoum States
Two field experiments were conducted at the Experimental farm in Agricultural Studies College, Sudan University of Science and Technology at Khartoum state ,and Agricultural Science College, Dongola University in Northern State in winter of 2011/2012. The experiments were conducted to study the effect of locations and three water intervals (7,14and 21days) on growth and seed yield of two varieties of safflower,(Gieza and Baldi varieties) .The experiment was laid out in Factorial Randomized Block Design with 3 replications. The results indicated that location and varieties had a significant effect on growth attributes (Plant height, number of leaves/plant, number of branches /plant and stem diameter) and on yield characters ( number of seeds /capsule, thousand seed weight) .Location and variety displayed significant effect on number of seeds /capsules. Geiza variety gave promising results in term of vegetative growth (plant height) and number of seeds/capsule and seed yield more than Baldi (P ?0.05). Water intervals significantly affected thousand seed weight and irrigation every 7 and 14 day were more suitable compared to 21 day interval. There were negative correlation between number of seeds /capsule and plant population and stem diameter . Seed yield expressed similar trend with the same parameters. Moreover seed yield was positively correlated with plant population ,plant height and number of seeds / capsule.
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