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The Origin of Southeastern Asian Triploid Edible Canna (Canna discolor Lindl.) Revealed by Molecular Cytogenetical Study1

Authors
  • Matoba, Hideyuki1, 2
  • Tanaka, Nobuyuki3
  • Uchiyama, Hiroshi1
  • Koyama, Tetsuo3
  • 1 Nihon University, College of Bioresource Sciences, 1866 Kameino, Fujisawa, Kanagawa, 252-0880, Japan , Fujisawa (Japan)
  • 2 Kanagawa Prefectural Museum of Natural History, 499 Iryuda, Odawara, Kanagawa, 250-0031, Japan , Odawara (Japan)
  • 3 Kochi Prefectural Makino Botanical Garden, 4200-6, Godaisan, Kochi, 781-8125, Japan , Kochi (Japan)
Type
Published Article
Journal
Economic Botany
Publisher
Springer-Verlag
Publication Date
Aug 22, 2011
Volume
65
Issue
3
Identifiers
DOI: 10.1007/s12231-011-9167-y
Source
Springer Nature
Keywords
License
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Abstract

The Origin of Southeastern Asian Triploid Edible Canna (Canna discolorLindl.) Revealed by Molecular Cytogenetical Study.Canna discolor Lindl. (Cannaceae), commonly known as edible canna, is often cultivated in Southeastern Asia for its starchy rhizomes. Based on morphological and karyological features, it is thought to be an allotriploid plant originated from hybridization between the closely allied C. coccinea Mill., C. patens Roscoe, C. plurituberosa T. Koyama & Nb. Tanaka, C. speciosa Roscoe, or C. indica L. In this study, to clarify the origin of triploid edible canna, physical mapping of 5S and 18S rDNA probes in C. discolor and its closely related five putative parental species was conducted. Fluorescence in situ hybridization (FISH) technique provided a useful chromosomal marker for discriminating among the diploid putative parental Canna species, and supported the hybrid origin of C. discolor between C. indica var. indica and C. plurituberosa.

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