Abstract
A doubled-haploid (DH) population derived from anther culture of an indica-japonica F 1 hybrid from the cross ZYQ8/JX17 was used. Quantitative trait loci (QTL) for morphological traits were investigated in 121 DH lines. Two major QTLs for leaf hairiness (LH), three QTLs for length/width of grain (L/W), one QTL for color of hull when heading (CHH), one QTL for hairiness of hull (HH), two QTLs for length of the first and second panicle internode (LPI), and one major QTL and two minor QTLs for phenol reaction (PH) were detected. Four QTLs for morphological index (MI) were also identified on chromosomes 1, 3, 4, and 6. Three of them, which were on chromosomes 1, 3, and 6, were found in the same chromosome regions where some QTLs for related taxonomic traits were located.
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