西葫芦新品种春玉2号的选育

A New Summer Squash Fl Hybrid-'Chunyu NO. 2'

以从韩国引进的一个白皮西葫芦(代号014)材料中选出的稳定自交系007太-30-1-1为母本,以从美国引进的一个深绿色皮西葫芦(代号9505)材料中选出的稳定自交系9505青-2-3-3-6为父本配制而成早熟一代杂交种春玉2号。该品种属矮生类型,生长势强,瓜形长棒状,瓜皮浅绿色,瓜长26-30cm,瓜粗8cm左右。总产量比早青一代(CK)增产11.4%￣14.3%,一般保护地栽培产量为75000kg/hm2左右,已在陕西、甘肃、河北等地推广种植。

＇ChunyuNo 2＇ is a new and early-maturing summer squash F1 hybrid breeded by crossing white skin summer squash inbred line 007Tai-30-1-1 as female parent with early-maturing green skin summer squash inbred line 9505Qing-2-3-3-6 as male parent. It has vigorous plant, and long rhomboid fruits with vivid white skin. Its yield under protected cultivation is about 75t/hm^2 and is 11.4-14.3% higher than that of ＇ZaoqingYidai（CK）＇. It has been extended to Shaanxi, Gansu, Hebei etc.