Description:
The pedigree of ARS_BTx623NAM_ESCT Population was derived from common parent, BTx623, a combine sorghum with low germination during early season planting in major US sorghum growing areas.The common parent, BTx623, was crossed separately to cold tolerant HongKeZi(PI 567946), NiuShengZui(PI 568016) and Kaoliang(PI 562744). Each recombinant inbred line(RIL) was developed by single seed descent for five generations, then bulked from ten uniform plants per line at F6 generation.