大穗玉米新杂交种安玉12号选育及推广

Selection and Popularization of a Big Ear Maize Hybrid 'Anyu 12'

安玉12号(安4201)由河南省安阳市农业科学研究所1998年育成,组合是420×A41。该杂交种属中熟类型,适宜种植密度45000～52500株/hm2。需≥10℃积温2500℃左右,1998～2002年在各地、各级的试验和示范中表现高产、稳产、优质、多抗。2002年3月通过河南省农作物品种审定委员会审定。目前正在加速示范推广。

Anyu 12 (An4201) was bred with 420×A41 by Anyang Institute of Agricultural Sciences in 1998. It is a middlematuring hybrid. The plant population are 45 000-52 500 seedlings/ha. It needs accumulative temperature 2 500 ℃ (≥10 ℃) to mature. The hybrid showed high and stable yield, high quality and multiresistance at various test in 1998-2002. It was approved by the Henan Provincial Committee of Crop Variety Identification in 2002.