陇亚杂4号是甘肃省农业科学院作物研究所采用两系法杂种优势利用技术选育而成的胡麻杂交种。在2013 — 2014年甘肃省区域试验中，平均折合产量1 773.00 kg/hm2，较对照品种陇亚10号(折合产量1 506.75 kg/hm2)增产8.99%，居11个参试品种(系)的第4位。陇亚杂4号为油用型品种，株高59.4 cm，单株果数25.5个，果粒数7.5粒，千粒重8.0 g，单株产量0.95 g。生育期106 d。适宜在甘肃兰州、定西、白银、张掖等同类生态区种植。

Longyaza 4 is a two-line oil-flax hybrid, bred by Institute of Crops, Gansu Academy of Agricultural Sciences based on heterosis utilization of two-line method. In 2013 — 2014, the average yield of Longyaza was 1 773.00 kg/hm2, 8.99% higher than that of the control Longya 10 in the Gansu Regional Test, which ranked the fourth among 11 tested cultivars. Longyaza 4 is oil type cultivar. The plant height, capsules per plant, seeds per capsule, 1 000-seed weight and yield per plant are 59.4 cm, 25.5, 7.5, 8.0 g and 0.95 g, respectively. The growth period is 106 days. It is suitable to be grown in Lanzhou, Dingxi, Baiyin, Zhangye and other similar ecological areas of Gansu.

S563.2

国家特色油料产业技术体系建设专项(CARS-14-1-05)；甘肃省科技计划资助(17ZD2NA016)；甘肃省现代农业产业技术体系建设专项资金资助(GARS-07-05)；甘肃省农业科学院农业科技创新专项(2017GAAS22)。