Construction of a Genetic Map and QTL Mapping of Fruit-related Traits in Eggplant (Solanum melongena)
# Co-first authors
Received date: 2016-01-06
Accepted date: 2016-04-26
Online published: 2016-09-27
A linkage map of eggplant (Solanum melongena) was constructed for an intraspecific RIL population derived from a cross between 09-101-M and 10TL-102-F4-1. The map contains 157 markers, encompasses 16 linkage groups, spanning 991.7 cM and spaced at an average interval of 6.32 cM. Composite interval mapping analysis with genotypic data from 157 molecular markers revealed the positions of 18 quantitative trait loci (QTL) for fruit-related traits. Ten of the QTLs identified were major QTLs, and 8 QTLs in corresponding positions were detected in both experimental locations and years. In all QTLs, the effect value of QTL fw1.1, located on LG01 (E09) E25M34-E33M57b and controlling fruit weight was the largest, reaching 23.8% to 31.6%. Fruit length and fruit diameter were significantly correlated with fruit weight, and the QTLs controlling fruit length, fruit diameter and fruit weight were in similar map positions.
Lifeng Xie, Ye Li, Jingfu Li, Ning Li . Construction of a Genetic Map and QTL Mapping of Fruit-related Traits in Eggplant (Solanum melongena)[J]. Chinese Bulletin of Botany, 2016 , 51(5) : 601 -608 . DOI: 10.11983/CBB16003
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