高产、优质、多抗玉米新品种嫩单22的选育

Breeding Report of a New Maize Variety Nendan22 with High Yield, High Quality and Multi-resistance

玉米新品种嫩单22是黑龙江省农业科学院齐齐哈尔分院于2009年选育的玉米杂交种。该品种组合为N8924×N2035,2016~2017年参加黑龙江省区域试验,两年平均产量10 428.9 kg/hm^(2),比对照品种誉诚1号(2016年)和先玉696(2017年)平均增产11.2%;2018年参加黑龙江省生产试验,平均产量10 419.3 kg/hm^(2),比对照品种先玉696平均增产15.7%。该品种在适应区出苗至成熟125 d,需≥10℃活动积温2 600℃·d,具有高产、优质、多抗和适应性广及适宜机械化收获等特点,2019年黑龙江省审定推广,适应黑龙江省第一积温带种植。

Nendan22, a new maize variety, was selected and bred by Qiqihar branch of Heilongjiang Academy of Agricultural Sciences in 2009. This variety combination is N8924 × N2035, and participated in the regional test of Heilongjiang Province. The average output of the two years was 10 428.9 kg/ha, an average increase of 11.2% compared with the control varieties Yucheng 1(2016) and Xianyu 696(2017). In 2018, the average yield was 10 419.3 kg/ha, which was 15.7% higher than that of Xianyu 696. This variety needs more than 10℃ active accumulated temperature of 2 600 ℃·d from emergence to maturity for 125 days. It has the characteristics of high yield, high quality,multi resistance, wide adaptability and suitable for mechanized harvest. It will be approved and popularized in Heilongjiang Province in 2019 to adapt to the cultivation of the first accumulated temperature zone in Heilongjiang Province.