Breeding and Application of Maize Elite Inbred Line H1710
The elite maize inbred line H1710,characterized by high resistance,wide adaptability and high com-bining ability was bred by the Shijiazhuang Academy of Agricultural and Forestry Sciences.The inbred line was bred using Z1(derived from the Chang7-2×Lx9801×5237 subpopulation)as the base,and then backcrossed with T12(selected from Ye478×178),which contained tropical germplasm.Field phenotypic identification and 56K SNP chip analysis showed that H1710 had advantages such as rich genetic basis,mid to late maturity,high resistance to lodging,high-temperature resistance during anthesis,high resistance to stem rot,strong green leaf color,sufficient pollen content,and high combining ability.The establishment of the dominant hybrid pattern of"X lines×H1710"resulted in the selection and approval of eight maize hybrids.In 2019,H1710 was granted plant variety rights and has since been widely shared and utilized by numerous breeding institutions and the maize innovation team of Hebei Province.
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