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EFFECT OF SOWING DATE AND TIME OF HARVESTING ON THE YIELD AND YIELD CONTRIBUTING CHARACTERS OF SESAME (Sesamum indicum L.) SEED (Pages : 31 - 35)

M. N. ALAM SARKAR, M. SALIM, N. ISLAM AND M. M. RAHMAN

An experiment was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh, during the period from February to June 1999 to investigate the effect of sowing date and time of harvesting on the yield and yield contributing characters of sesame seed (Sesamum indicum L.). The experiment consisted of three sowing dates viz., 26 February, 10 March and 22 March and four harvesting times viz., harvesting at 30, 35, 40 and 45 days after flowering (DAF). The experiment was laid out in a split-plot design accommodating sowing date in the main plots and time of harvesting in the sub-plots with three replications. The highest plant height, number of branches plant -l , capsules plant -l , seeds capsule-l , seed yield (kg ha-l ) and stover yield (kg ha-l ) were obtained from the crop sown on 26 February. Most of these characters were statistically identical to 10th March sowing except plant height, number of branches and capsule plant -l but all of them were recorded significantly lowest in 22 March sowing compared to first sowing. The highest seed yield (251.30kg ha-l ) was obtained in 26 February sowing and thereafter reduced with delay in sowing. Harvesting time had also significantly affected plant height, number of branches plant -l , capsule branch-l , capsule plant -l , seeds capsule-l , weight of 1000 seeds, seed yield (kg ha-l ) and stover yield (kg ha-l ). The results also indicated that the sesame variety T6 produced the highest seed yield when sown on 26 February and harvested at 40 DAF. Download


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