【摘要】 冬油菜新品种天油5号(系谱号986-2-1)是天水市农业科学研究所以白菜型冬油菜品系"S t40-1"为母本、引进的双低白菜型春油菜品种"网8"为父本杂交选育而成。在2003-2005年区试中,平均产量2 668.70 kg/hm2,较对照品种天油1号增产13.81%,最高单产达2 475.00 kg/hm2。该品系表现优势强,植株繁茂,根系发达,高产、稳产,适应性广,含油量41.12%、芥酸29.78%、硫甙93.0μm o l/g。适宜在甘肃省东部和中部海拔2 000 m以下地区推广种植。更多还原

【Abstract】 986-2-1(B campestris L.),a new winter rape line was bred by St40-1(B campestris L.) as females parent and a spring rape of Wang 8 from Anhui Institute of Agricultral Sciencse as mals parent by Tianshui Institute of Agricultral Sciencse.In the regional test during 2003-2005,the average yield was 2 668.71 kg/hm2,and 13.81% highter than of the check Tianyou 1,the yield was 2 475.0 kg/hm2 which was the highest among all lines.The cultivar showed hybridization superionrity.with plant and flourish roots,and possessed of high-yield and extensive adaptability.The result also indicated that seed were respectively 41.12%,29.78% and 93.0 μmol/g of oil,erucic and glucosinlate content.It is suitable to cultivate in the middle region in Gansu province.更多还原