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CROP BREEDING, GENETICS & CYTOLOGY

Reproductive and Molecular Evidence for Allogamy in Lotononis bainesii Baker

^a Forage Legume Department, National Institute of Agricultural Research, INIA Tacuarembó, Ruta 5 Km 386, Tacuarembó, Uruguay
^b Biotechnology Unit, National Institute of Agricultural Research, INIA Las Brujas, Ruta 48 km 10, Canelones, Uruguay
^c Dep. of Agronomy, Univ. of Florida, Gainesville, FL 32611-0500, USA

^* Corresponding author (dreal{at}inia.org.uy).

Reproductive characteristics can influence seed production and the amount and distribution of genetic variation within populations. Lotononis bainesii Baker is a subtropical forage legume from southern Africa that earlier researchers reported as having a cleistogamous form of reproduction. More recent reports suggest that species in the genus Lotononis Section Listia reproduce chasmogamously. Research from this study suggests that this species needs pollinators to produce seed and that genotypes exist that are self-incompatible. The use of sequence characterized amplified regions (SCAR) and cleaved amplified polymorphic sequence (CAPS) markers demonstrated that L. bainesii is highly allogamous.

Abbreviations: AFLP, amplified fragment length polymorphism • CAPS, cleaved amplified polymorphic sequence • INIA, National Institute of Agricultural Research • MAS, marker assisted selection • NCBI, National Center for Biological Information • PCR, polymerase chain reaction • RAPD, random amplified polymorphic DNA • SCAR, sequence characterized amplified regions • SNP, single nucleotide polymorphism • UFRGS, Federal University of Rio Grande Do Sul

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