Based on the introduction,innovation and utilization of excellent germplasm,the breeding strategy integrated the breeding ideas of “large population,multi-environment and sustainability”,breeding technology system of multi-location,high density,low fertilization and irrigation for enhance adaptability of maize varieties.The breeding of maize hybrid Shaandan609 with high and stable yield,high density tolerance,drought,good quality,high yield potential characteristics.Breeding background and breeding process of maize hybrid Shaandan609 were summarized,and the characteristics of the maize inbred line 91227 and maize hybrid Shaandan609 were analyzed.Breeders should increase selection pressure in high-yield maize breeding in order to improve the utilization of exotic maize germplasm.Extension method of maize variety was innovated.
NETL
NSTL
万方数据
维普
