Morphological spike diversity of Omani wheat |
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Authors: | S Al Khanjari A A Filatenko K Hammer A Buerkert |
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Institution: | (1) Institute of Crop Science, University of Kassel, 37213 Witzenhausen, Germany;(2) College of Agriculture and Marine Sciences, Sultan Qaboos University, Al Khod, Oman;(3) Vavilov Institute, 13 Linija, 12, Kv. 7, 199034 St. Petersburg, Russia |
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Abstract: | Little is known about the diversity of field crops in Oman. The objective of this study therefore was to characterize wheat
accessions from this country using individual spikes collected from different wheat cultivation areas. The phenotypic assessment
of 15 qualitative and 17 quantitative characters showed variations among Omani wheat landraces. The standardized phenotypic
diversity index (H′) was with 0.66 higher for quantitative characters than for qualitative characters (0.52) in tetraploid
wheats and with 0.63 and 0.62, respectively, in hexaploid wheats. Overall, the morphological data revealed a surprisingly
high diversity among landraces and showed that simple morphological characters can be used for an effective characterization
of diversity in Omani wheat. |
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Keywords: | Diversity index Morphological traits Triticum aestivum T aethiopicum T durum |
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