高产、优质、多抗玉米新杂交种济单94-2选育及推广应用

Selection and Popularization of a High-yield, Quality and Multi-resistance Maize Hybrid 'Jidan94-2'

济单94 2是河南省济源市农业科学研究所于1994年以自育系济533为母本,外引系选京02为父本组配而成的玉米单交种。该品种属中秆大穗中熟品种,1997～2001年在河南省、国家区域试验、生产试验中表现出高产、稳产、优质、多抗、适应性强等特点。一般产量在7500kg/hm2以上,适宜在黄淮海夏玉米区和西北春玉米区种植。

'Jidan 94-2' is a single-cross maize hybrid which was combined with two inbred lines bred in Jiyuan Institute of Agricultural Sciences. The inbred line Ji533 was used as the female parent and Xuanjing02 as the male parent. Jidan94-2 is a middle-maturing hybrid with middle stems and big tassels. The hybrid showed high and stable yield at regional variety test and yield potential test in North-west China and Henan province in 1996～2001. The result showed that it had good quality,multiple resistance and wide adaptation etc. In general condition, the average yield was above 7 500 kg/ha. The adaptive planting area of 'Jidan94-2' includes the most area of North-west China where the maize is sowed in spring and Huang-Huai-Hai plain where the maize is sowed in summer.