EFFECT OF VARIETY AND ROW SPACING ON THE YIELD AND YIELD CONTRIBUTING CHARACTERS OF RAPESEED

Abstract

An experiment was carried out at the Agronomy Field Laboratory, her-e­ Bangla Agricultural University Dhaka, during the period from November 20,07 to February 2008 to study the effect of row spacing on the yield and yield contributing characters of rapeseed. Four high yielding varieties of rapeseed (viz. Improved Tori 7, SAU Sharisa l, BARI Sharisa 9 BARI Sharisa 13) and three row spacings (viz. 15 30 and 45 cm were included as experimental treatments. The experiment was laid out in a two factor randomized completely block design with three replications. The spacing between plants in a row was maintained at 5 cm distance. Result showed that BARl Sharisa 9 produced the highest yield of 1.54 t ha". The lowest seed yield (0.96 t ha ') was obtained from the variety BARI Shari a 13 .. Improved Tori 7 and SAU Sharisa I produced 1.34 and 1.10 t ha" seed yield respecti 'ely. The 30 cm row spacing gave the highest seed yield of 1.44 t ha" followed by 45 cm row spacing (1 .23 t ha-1). The maximum seed yield of rapeseed could be obtained by using BARI Sharisa 9 sown 30 cm apart keeping 5 cm plant to plant distance .