黑色勾芒粮草兼用青稞品种陇青5号选育及栽培技术OA

Longqing No.5 is a new high-quality,high-yield,black-hulled and dual-purpose highland barley variety developed through southern breeding.It was jointly developed by Institute of Economic Crops and Malting Barley Material,Gansu Academy of Agricultural Sciences,in collaboration with Chinese Academy of Agricultural Sciences and Gansu Agricultural University.Ganken No.5 was used 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[GPD Barley(Highland Barley)(2023)620036)].In 2025,it was granted for the plant new variety right(CNA20211007792).This variety has an approximate growth period of 114 days and an average plant height of 83.1 cm.The ears are approximately 5.3 cm long and contain an average of 35.9 kernels.The grain has the following nutritional content:crude protein(11.3％),fat(1.85％),crude fibre(2.58％),total starch(58.62％),β-glucan(5.65％)and lysine(1.24％).With an average yield of 4 654.56 kg/hm2 across multiple trial sites in the province,it is well suited to cultivation in Gansu's highland barley production areas.