Journal article
Simple sequence repeat-based diversity in elite pigeonpea genotypes for developing mapping populations to map resistance toFusariumwilt and sterility mosaic disease
Plant Breeding, Vol.129(2), pp.135-141
2010
Abstract
In order to maximize polymorphism in the mapping populations for mapping loci for Fusarium wilt (FW) and sterility mosaic disease (SMD) resistance in pigeonpea, a set of 32 pigeonpea lines were screened for polymorphism with 30 microsatellite or simple sequence repeat markers. A total of 23 marker loci showed polymorphism with 2–4 alleles and the polymorphism information content for these markers ranged from 0.12 to 0.65 with an average of 0.43 per marker. High number of polymorphic markers, higher genetic dissimilarity coefficient and contrasting phenotypic data taken into consideration and five parental combinations were identified and crosses initiated for developing five genetically diverse mapping populations. Of these crosses, one cross segregates for FW resistance, two for SMD resistance and the remaining two crosses segregate for resistance to both FW and SMD. Development of mapping populations is in progress for mapping loci for resistance to FW and SMD in pigeonpea.
Details
- Title
- Simple sequence repeat-based diversity in elite pigeonpea genotypes for developing mapping populations to map resistance toFusariumwilt and sterility mosaic disease
- Authors/Creators
- R.K. Saxena (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsK.B. Saxena (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsR.V. Kumar (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsD.A. Hoisington (Author/Creator) - International Crops Research Institute for the Semi-Arid TropicsR.K. Varshney (Author/Creator) - International Crops Research Institute for the Semi-Arid Tropics
- Publication Details
- Plant Breeding, Vol.129(2), pp.135-141
- Publisher
- Wiley
- Identifiers
- 991005544114607891
- Copyright
- © 2009 Blackwell Verlag GmbH
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.4 Crop Science
- 3.4.96 QTL
- Web Of Science research areas
- Agronomy
- Biotechnology & Applied Microbiology
- Plant Sciences
- ESI research areas
- Plant & Animal Science