黑色、粮饲兼用青稞新品种陇青4号选育及栽培技术OA

Longqing No.4 is a new high-quality,high-yield,black-hulled and dual-purpose variety of highland barley developed by Institute of Economic Crop and Malting Barley Material,Gansu Academy of Agricultural Science,in collaboration with Chinese Academy of Agricultural Sciences and Gansu Agricultural University with Ganken No.5 as the maternal parent and a hybrid progeny of Ganken No.5×ZDM8082 as the paternal parent.In 2023,it passed the national non-major crop variety registration[Registration Number:GPD barley(highland barley)(2023)620035].In 2025,it obtained the new plant variety right(CNA20211007791).This variety has an approximate growth period of 115 days and an average plant height of 78.9 cm.The panicle length is about 6.5 cm and the number of grains per panicle is approximately 42.4.The grain has the following nutritional content(mass fraction):crude protein(10.55%),fat(2.20%),crude fibre(2.08%),amylopectin(45.36%),total starch(55.56%),β-glucan(4.94%)and lysine(0.89%).The average yield was 4 553.90 kg/hm2 across multiple trial sites in the province.It is suitable for cultivation in highland barley production areas of Gansu.