Effect of mineral fertilization and some biological treatments on sesame / Salwa Mohamed Kamel Fakhry ; Supervised Nabil Mohamed Mahrous , Nagah Mohamed Abuhagaza , Hatem Hussien Abotaleb

Thesis (Ph.D.) - Cairo University - Faculty of Agriculture - Department of Agronomy

Two field experiments were conducted during the successive summer seasons of 2011 and 2012, at the agricultural experiment and research station, Faculty of agriculture, Cairo university, Giza, Egypt. The study included 16 (2 cultivars* 8 fertilizer treatments) including two sesame cultivars, viz: Toushka- 1 and shandaweel-3, beside eight different mineral and biological fertilizers (100% NPK, biological fertilizers, 50% mineral NPK, 100% NPK+ biological fertilizers, 100%NPK+biofertilizer+bio agent, 50% NPK+ biofertilizer, 50% NPK+biofertilizer+ biocontrol and control (without fertilizer)). The biofertilizer and bio agents were adopted as soil inoculants. Their effects on growth and yield of sesame plant were studied. Data obtained exhibited significant differences among the applied treatments for most of the studied characters. The cultivar shandaweel-3 surpassed Toushka-1 in total bacterial counts, plant height, seeds weight per plant, 1000 seed weight and seed yield/faddan as well as oil and protein percentages. Application of both plant growth promoting and bio agent bacteria with different rates of NPK fertilizers scored significant effects on total bacterial counts compared to initial counts and recorded percentage increases ranged from 20 to 175%, 125 to 525%, 150 to 317% and 94 to 483% for bacillus megatherium (BM), bacillus cerculans (BC), Bacillus polymexa (BP) and Pseudomonas florosences (PF), respectively. Treatment 100% recommended chemical fertilizer+biofertilizer came in the first order for sesame attributes - plant height, seed weight per plant and 1000 seed weight

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