期刊
EUPHYTICA
卷 158, 期 1-2, 页码 241-247出版社
SPRINGER
DOI: 10.1007/s10681-007-9446-y
关键词
fiber quality; lint percentage; QTLs (quantitative trait loci); spiny bollworm (Earias spp) resistance; upland cotton (Gossypium hirsutum L)
A genetic linkage map of chromosome 6 was constructed by using 270 recombinant inbred lines originated from an upland cotton cross (Yumian 1 x T586) F-2 population. The genetic map included one morphological (T-1) and 18 SSR loci, covering 96.2 cM with an average distance of 5.34 cM between two markers. Based on composite interval mapping (CIM), QTL(s) affecting lint percentage, fiber length, fiber length uniformity, fiber strength and spiny bollworm resistance (Earias spp.) were identified in the t(1) locus region on chromosome 6. The allele(s) originating from T586 of QTLs controlling lint percentage increased the trait phenotypic value while the alleles originating from Yumian 1 of QTLs affecting fiber length, fiber length uniformity, fiber strength and spiny bollworm resistance increased the trait phenotypic value.
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