强抗寒冬油菜新品种天油8号选育报告

冬油菜新品种天油8号是天水市农业科学研究所以甘蓝型油菜品种郑油杂1号为母本、当地白菜型冬油菜品种天油1号为父本杂交选育而成。在2006—2009年甘肃省冬油菜山旱地区域试验中,折合平均产量2 612.55 kg/hm2,较对照品种天油4号平均增产11.61%。该品种抗寒耐旱、丰产性好、适应性广,籽粒含油率41.17%,油酸17.22%、亚油酸16.04%、芥酸43.43%、硫甙46.49μmol/g。适宜在甘肃省东部和中部干旱、半干旱、二阴山区及部分西部地区同类型生态区域大面积推广种植,也可在山西、河北、辽宁、内蒙古等地示范种植。

Breeding Report of A New Winter Rapeseed Tianyou 8 (Brassica campestris L.) with Strong Cold-resistance

Tianyou 8 was a new winter rapeseed variety was successfully bred by crossing with the Zhenyouza 1（Brassica napus L.） / Tianyou 1（Brassica campestris L.） by Tianshui Institute of Agricultural Sciences.In 2006—2009,the average yield of Tianyou 8 was 2 612.55 kg/hm2 and 11.61% higher than of the check Tianyou 4 in winter rapeseed region test of hill dryland of Gansu.The results showed that the strong cold-resistant,drought tolerance,the yield was better,extensive adapt ablility.The results also indicationed that seed oil content,oleic acid,linoleic acid,erucic and glucodinolate were 41.17%,17.22%,16.04%,43.43%,46.49 μmol/g,respectively.It is suitable to plant in large scale in the region of eastern and central of the arid and semi-arid,in semi-arid mountain region of Gansu province and western parts of the eco-regions of same type in large scale cultivation,but also in Shanxi,Hebei,Liaoning,Inner Mongolia and other places.