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  1. Vol. 44 No. 2, p. 394-400
     
    Received: Feb 12, 2003
    Published: Mar, 2004


    * Corresponding author(s): dreal@inia.org.uy
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doi:10.2135/cropsci2004.3940

Reproductive and Molecular Evidence for Allogamy in Lotononis bainesii Baker

  1. Daniel Real *a,
  2. Marco Dalla Rizzab,
  3. Kenneth H. Quesenberryc and
  4. María Echeniqueb
  1. 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

Abstract

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.

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Copyright © 2004. Crop Science Society of AmericaCrop Science Society of America