GROWTH AND SEED YIELD RESPONSE OF SESAME VARIETIES TO SOWING DATES
An experiment was conducted at the Agronomy Field of Bangladesh Agricultural University, Mymensingh, during February to June 2014 to investigate the effect of dates of sowing on morphological characters, yield attributes and seed yield of sesame. The experiment comprised of three sesame varieties viz., Binatil-1, BARI Til-2 and BARI Til-3 and five dates of sowing viz., 26 February, 13 March, 28 March, 12 April and 27 April. The experiment was laid out in a split-plot design with three replications. Results revealed that plant height, branch, leaf and node number plant-1, stem, stover weight plant-1 and harvest index, yield attributes viz., capsule number plant-1, capsule length, seed number capsule-1, 1000-seed weight and yield decreased with delay in sowing and yield became zero when sown in April due to death of plants at early stages due to heavy rainfall in May and June. The highest seed yield was observed when seeds were sown in 26 February due to attributed higher number of capsules plant-1 and seeds capsules-1. The lowest seed yield was recorded in 28 March sowing. Among the cultivars, the highest seed yield was recorded in Binatil-1 (900 kg ha-1). Results indicated that higher seed yield can be obtained by sowing of Binatil-1 and BARI Til-3 on 26 February while BARI Til-2 on 13 March. In contrast, the lowest seed yield was obtained in BARI Til-2 and BARI Til-3 with 28 March sowing (385 and 383 kg ha-1, respectively).
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