Abstract：‘Shuangse 1424’is a new fresh sweet corn F1 hybrid bred by crossing inbred line‘Huangtian
3148’as female parent and inbred line‘Baitian 2110’as male parent．Its growth period is about 90 days．
Its plant type is semi-compact．It is 209.5 cm in plant height and 77.5 cm in ear height．The ear is of post-box
type，21.0 cm in length and 5.1 cm in diameter．There are 15.3 head progeny rows and 37.3 grains per row．
The grain is yellow and white in color．The soluble sugar content is 10.0%．The amylopectin takes 98.5% of
the total starch content．It is moderate resistant to smut disease．The fresh ear yield is about 14.4 t · hm-2．It is
suitable to be planted in Hexi Corridor（Jiuquan，Zhangye，Wuwei），eastern regions（Lanzhou，Baiyin）of
Gansu Province and areas with similar ecological conditions．
