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A double haploid population,derived from an- ther culture of F_1 of intersubspecies crossZheyeqing 8/Jingxi 17(ZYQ 8/JX 17)wasused to investigate the seedling cold tolerance(SCT)in growth cabinet.By dynamically ana-lyzing every day’s survival percentages of the parents and DH lines under 4-d cold tempera- ture(6-10℃)plus 9-d normal temperature(25℃)conditions,we mapped the quantitativetrait loci(QTLs)for SCT based on a molecularlinkage map constructed from this population.Results showed that two parents had signifi-
A double haploid population, derived from an-ther culture of F_1 of intersubspecies cross Zheheqing 8 / Jingxi 17 (ZYQ 8 / JX 17) wasused to investigate the seedling cold tolerance (SCT) in growth cabinet.By dynamically ana-lyzing every day’s survival percentages of the parents and DH lines under 4-d cold temperaure (6-10 ° C) plus 9-d normal temperature (25 ° C) conditions, we mapped the quantitativetrait loci (QTLs) for SCT based on a molecular linkage map constructed from this population.Results showed that two parents had signifi-