Genetic diversity of white yam (Dioscorea rotundata Poir) accessions maintained in tissue culture and cultivated in field using Simple Sequence Repeat (SSR) Markers and Morphological Characterization
Dioscorea rotundata is a staple food crop for millions of people in the tropical and subtropical regions. In vitro germplasm conservation is a very useful tool in yam improvement strategies but very little is known about the genetic integrity and stability of in-vitro conserved yam plants. In this s...
| Main Authors: | , , , , , |
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| Format: | Journal Article |
| Language: | Inglés |
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Academic Research Publishing Group
2021
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/113151 |
| _version_ | 1855526647962271744 |
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| author | Gabriel, A. Agre, P. Edemode, A. Okon, A.E. Bhattacharjee, Ranjana Koyer, D. de |
| author_browse | Agre, P. Bhattacharjee, Ranjana Edemode, A. Gabriel, A. Koyer, D. de Okon, A.E. |
| author_facet | Gabriel, A. Agre, P. Edemode, A. Okon, A.E. Bhattacharjee, Ranjana Koyer, D. de |
| author_sort | Gabriel, A. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Dioscorea rotundata is a staple food crop for millions of people in the tropical and subtropical regions. In vitro germplasm conservation is a very useful tool in yam improvement strategies but very little is known about the genetic integrity and stability of in-vitro conserved yam plants. In this study, 42 accessions from in vitro and field populations were genotyped using 11 microsatellite markers and 23 morphological descriptors to assess variability within and between accessions. Out of the 23 morphological variables used, 13 were identified as most discriminate and were used to cluster the accessions into 4 clusters using the unweighted pair group arithmetic mean average (UPGMA). Accession maintained in field as well as in in-vitro showed high genetic similarity (R2 = 0.91, p-value: 1e-04). Out of the 42 accessions analyzed, nine accessions maintained in the field and in-vitro displayed different genetic profiles. This study provided basic information on the possible somaclonal variation of yam accessions maintained through in-vitro. Further study with advanced tools such as next-generation sequencing is required to elucidate the nature of the observed variation within clones. |
| format | Journal Article |
| id | CGSpace113151 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | Academic Research Publishing Group |
| publisherStr | Academic Research Publishing Group |
| record_format | dspace |
| spelling | CGSpace1131512025-11-11T10:29:12Z Genetic diversity of white yam (Dioscorea rotundata Poir) accessions maintained in tissue culture and cultivated in field using Simple Sequence Repeat (SSR) Markers and Morphological Characterization Gabriel, A. Agre, P. Edemode, A. Okon, A.E. Bhattacharjee, Ranjana Koyer, D. de yams dioscorea rotundata fields genetic diversity morphology in vitro simple sequence repeats Dioscorea rotundata is a staple food crop for millions of people in the tropical and subtropical regions. In vitro germplasm conservation is a very useful tool in yam improvement strategies but very little is known about the genetic integrity and stability of in-vitro conserved yam plants. In this study, 42 accessions from in vitro and field populations were genotyped using 11 microsatellite markers and 23 morphological descriptors to assess variability within and between accessions. Out of the 23 morphological variables used, 13 were identified as most discriminate and were used to cluster the accessions into 4 clusters using the unweighted pair group arithmetic mean average (UPGMA). Accession maintained in field as well as in in-vitro showed high genetic similarity (R2 = 0.91, p-value: 1e-04). Out of the 42 accessions analyzed, nine accessions maintained in the field and in-vitro displayed different genetic profiles. This study provided basic information on the possible somaclonal variation of yam accessions maintained through in-vitro. Further study with advanced tools such as next-generation sequencing is required to elucidate the nature of the observed variation within clones. 2021 2021-03-29T10:23:30Z 2021-03-29T10:23:30Z Journal Article https://hdl.handle.net/10568/113151 en Open Access application/pdf Academic Research Publishing Group Gabriel, A., Agre, P., Edemode, A., Okon, A.E., Bhattacgarjee, R. & De Koyer, D. (2021). Genetic diversity of white yam (Dioscorea rotundata Poir) accessions maintained in tissue culture and cultivated in field using Simple Sequence Repeat (SSR) Markers and Morphological Characterization. Journal of Agriculture and Crops, 7(2), 60-68. |
| spellingShingle | yams dioscorea rotundata fields genetic diversity morphology in vitro simple sequence repeats Gabriel, A. Agre, P. Edemode, A. Okon, A.E. Bhattacharjee, Ranjana Koyer, D. de Genetic diversity of white yam (Dioscorea rotundata Poir) accessions maintained in tissue culture and cultivated in field using Simple Sequence Repeat (SSR) Markers and Morphological Characterization |
| title | Genetic diversity of white yam (Dioscorea rotundata Poir) accessions maintained in tissue culture and cultivated in field using Simple Sequence Repeat (SSR) Markers and Morphological Characterization |
| title_full | Genetic diversity of white yam (Dioscorea rotundata Poir) accessions maintained in tissue culture and cultivated in field using Simple Sequence Repeat (SSR) Markers and Morphological Characterization |
| title_fullStr | Genetic diversity of white yam (Dioscorea rotundata Poir) accessions maintained in tissue culture and cultivated in field using Simple Sequence Repeat (SSR) Markers and Morphological Characterization |
| title_full_unstemmed | Genetic diversity of white yam (Dioscorea rotundata Poir) accessions maintained in tissue culture and cultivated in field using Simple Sequence Repeat (SSR) Markers and Morphological Characterization |
| title_short | Genetic diversity of white yam (Dioscorea rotundata Poir) accessions maintained in tissue culture and cultivated in field using Simple Sequence Repeat (SSR) Markers and Morphological Characterization |
| title_sort | genetic diversity of white yam dioscorea rotundata poir accessions maintained in tissue culture and cultivated in field using simple sequence repeat ssr markers and morphological characterization |
| topic | yams dioscorea rotundata fields genetic diversity morphology in vitro simple sequence repeats |
| url | https://hdl.handle.net/10568/113151 |
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