
handle: 10232/15697
One strain of wild rice was found at Gondar Region, Fogera Plain, Ethiopia, and those seeds were delivered to the present author. In this paper, the records on identification and morphological characters of those seeds were reported. Twenty-four characters of the unhusked and husked grains and 27 mutual relationships between the respective 2 characters were calculated. In the former, length, width and thickness of the unhusked grains were found to be 8.86mm, 2.73mm and 1.75mm in average values, respectively. Those of the husked grains were found to be 6.11mm, 2.15mm and 1.38mm in average values, respectively. In the latter, 16, 1, 3 and 7 character-combinations showed significances at the 0.1%, 1% and 5% levels and no significance even at 5% level, respectively. Based on the data obtained, the strain of wild rice was detected to be Oryza longistaminata CHEV. et ROEHR. In comparison with the data obtained in the present and the previous studies using materials from other African countries, the following facts were ascertained. The present strain would be located in the position as relatively longer length, wider width and thicker thickness of this species of perennial wild rice, Oryza longistaminata in African countries and the relatives of Asian countries. Moreover, it was concluded that the present strain had a short history after migrating here from another site.
Wild rice, 479, Ecotypic differentiation, O.longistaminata, Ethiopia
Wild rice, 479, Ecotypic differentiation, O.longistaminata, Ethiopia
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