鲜食甜玉米新品种桂甜612的选育

A New Fresh Sweet Corn F1 Hybrid—‘Guitian 612’

桂甜612是以甜玉米自交系ATL122为母本,以GTL990为父本杂交育成的鲜食甜玉米一代杂种,株型半紧凑,植株生长势强,春播出苗至采收80~90 d(天),秋播70~75 d(天)。果穗长筒形,穗长18~20 cm,穗行数14~20行,籽粒黄色,每667 m^(2)鲜穗产量800~1100 kg。南方(东南)区域试验品尝鉴定88.0分,水溶性总糖含量19.2%,还原糖9.0%,皮渣率13.6%;南方(西南)区域试验品尝鉴定86.6分,水溶性总糖含量16.2%,还原糖5.9%,皮渣率11.8%。适宜我国南方地区鲜食玉米区种植。

‘Guitian 612’is a new fresh sweet corn F1 hybrid developed by crossing sweet corn inbredline‘ATL122’as female parent and‘GTL990’as male parent.The plant type is semi compact,and the plant grows strongly.The growth period is 80-90 days for spring sowing to harvest fresh ears,and 70-75 days for autumn sowing.The fresh fruit ear is cylindrical,the ear length is 18-20 cm,the number of ear rows is 14-20 rows,the grain is yellow,and the yield of fresh fruit ear is 12.0-16.5 t·hm-2.In the south(southeast)area trial,88.0 points were obtained from the tasting and identification,including 19.2%of water soluble total sugar,9.0%of reducing sugar,and 13.6%of skin residue.In the south(southwest)area trial,86.6 points were obtained,including 16.2%of water soluble total sugar,5.9%of reducing sugar and 11.8%of skin residue.It is suitable for planting in fresh corn areas in southern China.