水分高效利用型谷子新品种“冀谷19”选育研究

Breeding of Foxtail Millet Cultivar Jigu 19

冀谷19是采用杂交方法从“矮88×青丰谷”中选育而成,表现优质、高产和水分利用效率高。2002年和2003年国家夏谷新品种区域试验,平均单产5 296.5 kg/hm2,较对照豫谷5号增产14.4%。2004年通过全国谷子品种鉴定委员会鉴定。2004年推广面积58 000 hm2,最高单产达8 430 kg/hm2,成为河北省旱地无公害优质小米开发的骨干品种。

Foxtail millet cultivar Jigu 19 is from＂ Ai88 × 8337＂ using crossing pedigree method. It is highquality, high-yielding , and water-efficient. The average yield was 5 296. 5 kg/hm^2 in national millet variety trials which was 14. 4% higher than that of the control. In 2004 it was released by National millet variety ap- praisal committee. It is suitable to summer season in double cropping areas like south Hebei, He＇nan and Shandong, It is also able to grow in the northeast Hebei and middle part of Shanxi for spring sowing. It has been grown an area of 58 000 hm^2 in 2004.