玉米自交系Y75及其陕单16的选育研究

陕单16优质高产玉米新品种是由西北农林科技大学农学院专用玉米研究室,于1995年用自选系Y75为母本,自交系K12为父本杂交育成.1999～2001年参加陕西省玉米区试和生产试验,表现出营养品质及外观品种优、综合抗性好、丰产潜力大、熟期中等、持绿期长、保绿度好、产草量高、可粮饲兼用或带穗青贮等特点.适宜在陕西春播、早夏播及同类生态区推广种植.到2002年底陕单16累计推广面积1万hm²。

Selecting and Breeding Study of the New Maize Inbred Line Y75 and Variety Shaandan No.16

The new maize variety was bred by the maize research inst i tute of northwest sci-tech university of agriculture and forestry in1995.T he inbred line Y75was used as female parent and K12as the male parent.In sh aanxi province according to variety trial,region-al test and production test f rom1999to2001,shaandan No.16had the characteristics of good quality ,great potentialities,high biomass,long constancy of green leaf,multi-resis tance,medium mature,food and feed,silage with ear.The variety is suitable fo r spring,earl sum-mary seeding in Shaanxi province and in similar ecology area s.Until2002plant area of demonstration and practicee were total10000ha .