饲用甜菜新品种“甜饲2号”的选育

饲用甜菜新品种“甜饲2号”是以甜菜雄性不育系G04A为母本，饲用甜菜自交系LC-1—1为父本，通过杂交选育而成的F1代杂交种。多点试验平均根产量为107751．8kg／hm^2，较时照增产2．3％；含糖率为13．7％，比对照高5．0度。2007年参加了生产示范试验，2008年底通过甘肃省农作物品种审定委员会认定命名。该品种经济产量高，蛋白质含量和含糖率较高，抗病性强，适应性广。

Breeding of A Fodder Beet Variety Tiansi2

The new fodder beet variety Tiansi2 was bred through cross from the F1 hybrid species, using sterile line G04A CMS as female parent and LC-1-1 as male parent. In the different site experiments for two years, the average root yield was 107751.8kg/ha, with Tiansil as the control. In 2007, end of 2008 it had been approved by sugar content was 13.7%, increased by 2.3% and 5.0 degree in comparison Tiansi2 was tested in the productive demonstration experiment, and by the Gansu Evaluation Committee of Crop output, high protein content and sugar content, strong resistance to diseases, Variety. The hybrid is high economic and wide adaptability.