中早熟玉米新品种“延单28”选育及其特性

Breeding of a new mid-early maturing maize hybrid Yandan 28 and its characteristics

"延单28"是2010年由延边农业科学研究院选育,2017年3月经吉林省农作物品种审定委员会审定通过的中早熟玉米新品种,组合为YB28-2×NKY35-6,适宜在吉林省、黑龙江省等东北地区中早熟玉米区种植,需≥10℃有效积温2 400℃左右;具有高产、优质、早熟、多抗的特点。在2015和2016年10点次的吉林省区域试验中,"延单28"的产量为10 596.0~13 845.0kg/hm^2,平均产量12 265.3kg/hm^2,比对照"吉单27"增产8.8%。

Yandan 28 is a new med-early maturing maize hybrid,YB28-2×NKY35-6,characterized by high-yield,high-quality and multi-resistances,which developed by Yanbian Academy of Agricultural Sciences in 2010 and authorized by Crop Variety Expression and Approve Committee of Jilin Province in March 2017.Yandan 28 is suitable to be planted early maturing area in the Northeast of Jilin and Heilongjiang Provinces,needs 2 400 ℃ of effective accumulated temperature.In Regional Trials of Jilin Province from 2015 to 2016,grain yields of Yandan 28 varied from 10 596.0-13 845.0 kg/hm^2,averaged12 265.3 kg/hm^2 and 8.8%in average higher than the control Jidan 27.