四杂42号是吉林省农业科学院作物育种研究所以Ⅶ72A为母本,以恢复系Ⅵ815为父本,于2001年组配的高粱杂交种。该杂交种双亲均为自选系,具有高产、粗蛋白和赖氨酸含量较高的特点,同时高抗丝黑穗病和叶斑病,增产潜力大,是国家春播早熟区推广的饲料高粱用种。 Sisaku No. 42 is the Institute of Crop Breeding, Jilin Academy of Agricultural Sciences using Ⅶ72A as the female parent to restore line Ⅵ 815 as the father of the 2001 hybrid combination of sorghum. The hybrid parents are all self-selected lines, with high yield, crude protein and lysine content is high, while resistance to head smut and leaf spot disease, yield potential, is the national spring sown precocity of feed sorghum Species.