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- Title
T<sub>1</sub> locus in cotton is the candidate gene affecting lint percentage, fiber quality and spiny bollworm ( Earias spp.) resistance.
- Authors
Qun Wan; Zhengsheng Zhang; Meichun Hu; Li Chen; Dajun Liu; Xiao Chen; Wei Wang; Jing Zheng
- Abstract
A genetic linkage map of chromosome 6 was constructed by using 270 recombinant inbred lines originated from an upland cotton cross (Yumian 1 × T586) F2 population. The genetic map included one morphological (T1) 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 t1 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.
- Subjects
COTTON; PLANT genetics; GENE mapping; PHENOTYPES; PLANT fibers; CROP science
- Publication
Euphytica, 2007, Vol 158, Issue 1/2, p241
- ISSN
0014-2336
- Publication type
Article
- DOI
10.1007/s10681-007-9446-y