Authors
Abhishek Bohra, Rachit K Saxena, BN Gnanesh, Kulbhushan Saxena, M Byregowda, Abhishek Rathore, PB KaviKishor, Douglas R Cook, Rajeev K Varshney
Publication date
2012/10
Journal
Theoretical and Applied Genetics
Volume
125
Pages
1325-1338
Publisher
Springer-Verlag
Description
Pigeonpea (Cajanus cajan L.) is an important food legume crop of rainfed agriculture. Owing to exposure of the crop to a number of biotic and abiotic stresses, the crop productivity has remained stagnant for almost last five decades at ca. 750 kg/ha. The availability of a cytoplasmic male sterility (CMS) system has facilitated the development and release of hybrids which are expected to enhance the productivity of pigeonpea. Recent advances in genomics and molecular breeding such as marker-assisted selection (MAS) offer the possibility to accelerate hybrid breeding. Molecular markers and genetic maps are pre-requisites for deploying MAS in breeding. However, in the case of pigeonpea, only one inter- and two intra-specific genetic maps are available so far. Here, four new intra-specific genetic maps comprising 59–140 simple sequence repeat (SSR) loci with map lengths ranging from 586.9 to 881.6 cM …
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