Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 490106
Title Genetic and morphological diversity of okra (Abelmoschus esculentus [L.] Moench.) genotypes and their possible relationships, with particular reference to Greek landraces
Author(s) Kyriakopoulou, O.G.; Arens, P.F.P.; Pelgrom, K.T.B.; Karapanos, I.; Bebeli, P.; Passam, H.C.
Source Scientia Horticulturae 171 (2014). - ISSN 0304-4238 - p. 58 - 70.
DOI https://doi.org/10.1016/j.scienta.2014.03.029
Department(s) PBR Ornamentals, tissue culture and gene transfer
PBR Non host and insect resistance
Publication type Refereed Article in a scientific journal
Publication year 2014
Keyword(s) numerical-analysis - germplasm - aflp - collection - cultivars - stability - patterns - distance - markers - plants
Abstract Despite its high economic value in many countries (especially in developing regions of the tropics and sub-tropics), okra has received little attention with respect to its source of origin and genetic diversity, particularly at the molecular level. Phenotypic description (morphology, pod characteristics and seed germination) and AFLP (amplified fragment length polymorphism) analysis were performed on Greek and international genotypes. Whereas morphological descriptors did not separate the accessions according to their geographical origin, AFLP analysis revealed a low level (12%) of polymorphism and distinct geographical groupings. Greek germplasm separated into three distinct groups with no overlap between them on the basis of molecular markers. A higher degree of genetic heterogeneity was found (UPGMA analysis) among the accessions of the Boyiatiou group than in the Pylaias group, whereas the occurrence of some common phylogenetic characteristics made separation on the basis of morphology alone difficult. The results from AFLP markers indicate that Greek germplasm constitutes a significant pool of variation with respect to morphological parameters, pod characteristics and seed germinability. Moreover, differences in seed germination among phenotypes may relate to their geographical origin (mainland or islands).
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