白菜型春油菜新品种陇油18号选育报告

Report on Breeding of Brassica rapes Cultivar Longyou 18

白菜型春油菜新品种陇油18号是甘肃省农业科学院作物研究所油菜课题组以门源油菜为母本、E144为父本杂交选育而成的极早熟白菜型春油菜常规种。2014—2015年参加甘肃省极早熟组春油菜区域试验,陇油18号2a10点次平均折合产量为2130.15kg/hm^2,较对照品种甘南4号增产16.40%,增产油籽300.15kg/hm^2。陇油18号生育期108d,平均株高126cm,一次有效分枝数3~6个,单株果数268个,角粒数20.85粒,千粒重2.98g。籽粒含油量(粗脂肪)38.89%,芥酸含量0.98%,硫苷含量22.41μmol/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2400m以上春油菜种植区种植。

Longyou 18, is a new Brassica rapes cultivar with parental combination of Menyuan rape/E144, is a conventional species of extremely early spring rape, which is bred by Institute of Crops, Gansu Academy of Agricultural Sciences. In 2014-2015, the average yield of 2 a 10 sites(times) was 2 130.15 kg/hm^2 and 16.40% higher than that of Gabnan 4 in Spring Rapeseed Regional Test in Gansu Province, which the oilseed yield increased by 300.15 kg/hm^2. The growth period of Longyou 18 is 108 days, plant height is 126 cm, effective branching number a time is 3~6, fruit number per plant is 268, angle grain number is 20.85, 1 000-seed weight is 2.98 g. The content of oil(crude fat) is 38.89%, ethnic acid content is 0.98%, glucosinolates content is 22.41 μmol/g, the quality of the double-low national standards. It is suitable to be grown in spring rape planting areas in Zhangye, Wuwei, Gannan, Dingxi and other areas with an altitude above 2400 m.