Breeding Science
Online ISSN : 1347-3735
Print ISSN : 1344-7610
ISSN-L : 1344-7610
Research papers
Mapping of Fruit Shape and Color Development Traits in Eggplant (Solanum melongena L.) Based on RAPD and AFLP Markers
Tsukasa NunomeKeizo IshiguroTatemi YoshidaMasashi Hirai
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JOURNALS FREE ACCESS

2001 Volume 51 Issue 1 Pages 19-26

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Abstract

We have constructed a linkage map of eggplant (Solanum melongena L.) using an F2 population derived from a cross between a breeding line, EPL-1 and an introduced line, WCGR112-8, from India. The two parental lines showed contrasting responses to several pathogens and differences in several morphological traits. Parental lines were screened with 1, 232 random primers for RAPD and 64 primer combinations for AFLP. The link-age map consisted of 181 loci, comprising 88 RAPD and 93 AFLP markers. These markers identified 21 linkage groups spanning 779.2cM with an average distance of 4.9cM. The linkage groups ranged from 1.9 to 95.6cM in length and included 2 to 32 markers, respectively. The fruit shape and color development trait were scored and the linkage to the markers was investigated. The fruit shape showed a significant association with markers on linkage group 2. Color development in fruit, stem and calyx showed a significant association with markers on linkage group 7. These markers may provide valuable information for eggplant breeding.

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© 2001 by JAPANESE SOCIETY OF BREEDING
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