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Open AccessArticle

Genetic Diversity in Jatropha curcas L. Assessed with SSR and SNP Markers

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JatroSelect GmbH, Echterdingerstr. 30, Stuttgart 70599, Germany
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Institute of plant breeding, seed science and population genetics, University of Hohenheim, Fruwirthstr. 21, Stuttgart 70599, Germany
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JatroSolutions GmbH, Echterdingerstr. 30, Stuttgart 70599, Germany
*
Author to whom correspondence should be addressed.
Diversity 2014, 6(3), 551-566; https://doi.org/10.3390/d6030551
Received: 5 June 2014 / Revised: 30 July 2014 / Accepted: 31 July 2014 / Published: 7 August 2014
Jatropha curcas L. (jatropha) is an undomesticated plant that has recently received great attention for its utilization in biofuel production, rehabilitation of wasteland, and rural development. Knowledge of genetic diversity and marker-trait associations is urgently needed for the design of breeding strategies. The main goal of this study was to assess the genetic structure and diversity in jatropha germplasm with co-dominant markers (Simple Sequence Repeats (SSR) and Single Nucleotide Polymorphism (SNP) in a diverse, worldwide, germplasm panel of 70 accessions. We found a high level of homozygosis in the germplasm that does not correspond to the purely outcrossing mating system assumed to be present in jatropha. We hypothesize that the prevalent mating system of jatropha comprise a high level of self-fertilization and that the outcrossing rate is low. Genetic diversity in accessions from Central America and Mexico was higher than in accession from Africa, Asia, and South America. We identified makers associated with the presence of phorbol esters. We think that the utilization of molecular markers in breeding of jatropha will significantly accelerate the development of improved cultivars. View Full-Text
Keywords: jatropha; genetic diversity; molecular markers; SSR; SNP; breeding jatropha; genetic diversity; molecular markers; SSR; SNP; breeding
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MDPI and ACS Style

Montes, J.M.; Technow, F.; Martin, M.; Becker, K. Genetic Diversity in Jatropha curcas L. Assessed with SSR and SNP Markers. Diversity 2014, 6, 551-566.

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