早熟玉米新品种陕单972的选育及特征特性

陕单972是西北农林科技大学农学院玉米研究所以自选自交系K22作母本，外引系京7作父本杂交育成的紧凑型玉米新品种，该品种具有生育期短、品质优良、抗逆性好、丰产、稳产、适应性广和制种产量高等优点，适宜于陕西省夏播区、长城沿线、秦岭山区等早熟春播区及一年两熟区种植，受广大用户欢迎。

The Breeding and the Characters of New Early-maturing Maize variety Shandan 972

Maize variety shandan 972 was bred by institute of maize，northwest A&F university. Its parents were inbred line K22 and Jing75, which K22 was bred by Northwest A&F University but Jing75 is introduced from other province. It was one new semi-compacted plant type variety，its growing-period was short，and it was better quality、better stress tolerance、high stable yield、wide adaptability and high seed yield. It was suit in Shaanxi summer sowing region, in early-mature spring sowing region about the Great Wall, in the valley of QinLing and suit in the region of two-mature in one year. It was popular with farmers.