国审玉米新品种‘永优988’选育模式探究

The Breeding Mode of‘Yongyou 988’:A New Maize Hybrid Variety Approved by the Nation

‘永优988’是鹤壁市农业科学院以欧洲硬粒改良系T1932为母本、自选改良系浚856为父本杂交育成的国审玉米新品种,2021年通过国家黄淮海夏玉米区审定。分析了该品种的选育过程、亲本来源及特性、品种参试的产量表现及抗逆性、抗病性和品质分析等。提出品种选育要重视优异种质资源发掘与利用,同时加强逆境选择提升品种生态适应性,最终培育出高产优质、广适耐密、抗逆性强的玉米新品种。

‘Yongyou 988’is a new maize variety bred by Hebi Academy of Agricultural Sciences with T1932 from European flint line as the female parent and‘Xun 856’as the male parent,and it was approved by the nation for Huang-Huai-Hai summer maize region in 2021.In this study,the breeding process,parent source and characteristics,yield performance,stress resistance,disease resistance and quality analysis of the variety were analyzed.The study proposed that in variety breeding,we should highlight the exploration and utilization of excellent germplasm resources,strengthen adversity selection and improve ecological adaptability of the varieties,so as to breed a new maize variety with high yield and quality,wide adaptability,density tolerance and strong stress resistance.