高海拔特殊生态区杂交玉米新品种毕单14号的选育及应用

毕单14号是毕节地区农科所于2000年组配的杂交玉米新组合。该品种早熟高产，品质好，抗逆性强，适应性广，于2005年6月23日经贵州省农作物品种审定委员会审定。2005年－2008年连续4年在贵州省毕节地区、六盘水市以及云南省镇雄县等地共示范推广面积164．73万亩。平均每亩缩值增产玉米40．5kg，总产缩值新增玉米6671．6万蝇，新增总产值10007．35万元，取得显著的经济社会效益，为贵州高海拔山区玉米生产发展作出了积极的贡献。

Breeding and application of maize hybrid BIDAN 14 in the special ecological regions with high altitude

BIDAN 14 is a new hybrid maize variety which was selected by Bijie Institute of Agricultural Sciences in 2000. With the characteristics of high yield, stable yield, high quality, good stress resistance, wide adaptability, this variety was examined by the Guizhou Crop Variety Approval Committee on 23rd June 2005. During 2005-2008, in the Bijie region, Liu panshui city and Zhenxiong County in Yunnan Province, exemplary extension area reached 164.73 million mu continuously, and the average reduced value per mu increased by 40.5kg with the total yield 6671.6 million kg and the increased total value 10007.35 million yuan. This brought an extremely significant economic efficiency, besides, in high-altitude area, this also had eminent effect on maize wide application in modeling radiation and positive promotion.