玉米杂交种长城LN29的选育

The Development of a new Maize Cultivar Changcheng LN29

济宁市农业科学研究院玉米研究所以自交系L2为母本、齐319为父本杂交育成的玉米新品种长城LN29,抗病、抗倒性好,株高中等、果穗较大、千粒重高、保绿度好、活秆成熟,综合农艺性状优良,稳产性好,有较大丰产潜力。适宜河北省北部玉米春播区及相近地理环境条件区域春播种植,或山东省等黄淮海玉米夏播区及相近地理环境条件区域麦田套种、麦后灭茬直播种植。夏播密度4.80万～5.25万株/hm2,春播密度4.50万～4.95万株/hm2。

A new corn （Zea mays） hybrid Changcheng LN29, bred by Jining Agricultural Academy using inbred line L2 as female parent and the Qi 319 as male parent in 1998, has high yield and a moderate period of maturation. Compared to Hebei Province spring maize in 2004- 2005 in the regional and national productive experiment, this com variety has more excellent agricultural characteritics including moderate height, disease resistant, high lodging resistant, big ear, high seed weigh, and matured with green leaves.