甘蓝型春油菜品种陇油21号选育报告

Report on Breeding of New Brassica nape Cultivar Longyou 21

陇油21号是以青油14号为母本、青海大黄为父本选育的甘蓝型春油菜品种。在2014—2015年极早熟春油菜区域试验中,平均折合产量为2846.85 kg/hm2,较对照品种甘南4号增产55.58%。陇油21号生育期112 d,株高127 cm左右,一次有效分枝数2~5个,单株果数114个左右,角粒数26.95粒,千粒重3.73 g。花期集中,株型较矮。含油量(粗脂肪)423.2 g/kg,芥酸含量2.6 g/kg,硫苷含量14.74μmol/g,品质达到国家双低标准。适宜在甘肃张掖、武威、甘南、定西等海拔2400 m以上春油菜地区种植。

Longyou 21 is Brassica nape cultivar with Qingyou 14 and Qinghaidahuang.In 2014—2015,the average yield was 2846.85 kg/hm2,55.58%higher than the control Gannan 4 in the Regional Test Sites of extremely early-maturing spring rapeseed.The growth period is 112 days,plant height was about 127 cm,the number of effective branches at one time is 2~5,the number of fruit per plant about 114,the number of kernels is 26.95,1000-grain weight is 3.73 g.The flowering period was concentrated,the plant type was short.The oil content(crude fat)is 423.2 g/kg,ethnic acid content is 2.6 g/kg,glucosinolates content is 14.74μmol/g,the quality reached the federal double-low standard.It is suitable to be grown in above 2400 m in Zhangye,Wuwei,Gannan,Dingxi areas.