鲜食糯玉米新品种赣甜糯3号的选育

A New Fresh Waxy Corn F_(1) Hybrid—‘Gantiannuo No.3’

赣甜糯3号是以自交系HNM05为母本,以自交系YN167为父本配制而成的鲜食糯玉米一代杂种。株高222.7 cm,穗位高82.5 cm,果穗锥型,穗长18.4 cm,穗粗4.8 cm,穗行数14行;籽粒白色,甜糯型,支链淀粉占总淀粉含量的97.81%,每667 m^(2)鲜穗产量800 kg左右。春播出苗至鲜果穗成熟90 d(天),秋播80 d(天),田间对纹枯病、大斑病、小斑病、茎腐病和玉米螟的抗性与对照苏玉糯5号相当,适宜江西省及东南地区鲜食糯玉米产区种植。

‘Gantiannuo No.3’is a new fresh waxy corn F_(1) hybrid bred by crossing inbred line‘HNM05’as female parent and inbred line‘YN167’as male parent.The plant height is 222.7 cm and ear height is 82.5 cm.Its ear is of conical shape,and 18.4 cm in length,4.8 cm in diameter.There are 14 head progeny rows.The kernels are white in color.Its ear is of sweet and glutinous type.The amylopectin takes up 97.81%of the total starch content.The average yield of fresh ear was about 12 t·hm^(-2).It takes 90 days from seedling emerge to harvest after spring sowing,and 80 days after autumn sowing.In fields,its resistances to sheath blight,northern leaf blight,southern leaf blight,stem rot,and corn borer are equivalent to those of the contrast‘Suyunuo No.5’.It is suitable for planting in Jiangxi Province and southeastern regions for fresh corn production.