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Diversity 2018, 10(2), 22; https://doi.org/10.3390/d10020022

Molecular Diversity of Tidal Swamp Rice (Oryza sativa L.) in South Kalimantan, Indonesia

1
Faculty of Mathematics and Natural Sciences, Universitas Lambung Mangkurat, South Kalimantan 70714, Indonesia
2
Faculty of Biology, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
*
Author to whom correspondence should be addressed.
Received: 15 March 2018 / Revised: 1 April 2018 / Accepted: 2 April 2018 / Published: 9 April 2018
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Abstract

Tidal swamp rice has long been cultivated by the local people of the South Kalimantan, Indonesia. This germplasm possess some important traits for adapted to a wide range of abiotic and biotic stresses. In this study, a total of 16 cultivars of the tidal swamp rice, consisting of 15 from the South Kalimantan Provinces and 1 from South Sumatera, Indonesia (an outgroup) were analyzed phylogenetically based on the chloroplast trnL-F and nuclear intergenic spacer region (IGS). The results showed that this germplasm has a relatively more extraordinary genetic diversity than other local rice. On a nucleotide level, the tidal swamp rice showed a genetic diversity of 0.61 for nuclear IGS and 0.58 for trnL-F. The phylogenetic reconstruction also exhibited that the tidal swamp rice has the unique phylogenetic trees, particularly for the combined sequence datasets. This information would be useful for the rice conservation and breeding programs in the future. View Full-Text
Keywords: Oryza sativa; genetic diversity; tidal swamp; breeding and conservation programs Oryza sativa; genetic diversity; tidal swamp; breeding and conservation programs
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Mursyidin, D.H.; Purnomo, P.; Sumardi, I.; Daryono, B.S. Molecular Diversity of Tidal Swamp Rice (Oryza sativa L.) in South Kalimantan, Indonesia. Diversity 2018, 10, 22.

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