Effects of irrigation disruption and Barvar-2 phosphate biofertilizer on Agronomic Characteristics of Sesame (Sesamum indicum L.)

Abstract

In order to evaluate the effects of irrigation disruption and Barvar-2 phosphate biofertilizer at different stages of growth on Agronomic Characteristics of Sesame, An experiment was conducted as split plot based on randomized complete block design with three replications in Salmas city, northwest of Iran, during spring of 2016. The main plot was Barvar-2 phosphate biofertilizer at two levels (control or non-biofertilizer and Barvar-2 phosphate biofertilizer) and irrigation disruption as the sub-factor in five levels including control or not irrigation disruption, irrigation disruption at 10 leaf stage, irrigation disruption at flowering stage, irrigation disruption at capsule formation stage, irrigation disruption at grain filling stage was considered. Results indicated that effect of Barvar-2 phosphate biofertilizer on Number of branches per plant, number of capsules per plant, number of seeds per capsule, seed oil percent and seed yield has been significant. The maximum seed yield at 1726.03 kg.ha-1 was observed in Barvar-2 phosphate biofertilizer. Effect of irrigation disruption on Plant height, number of branches per plant, number of capsules per plant, seed number per capsule, seed oil percent and seed yield has been significant. The highest seed yield (1985 kg.ha-1) was observed in control or non irrigation disruption treatment, which did not show significant difference with irrigation disruption treatment at 10 leaf stage. In order to save water irrigation disruption can be recommended at this stage of growth, especially in low water areas. The minimum seed yield was observed at 1214 kg.ha-1 in irrigation disruption treatment at flowering stage.