Characterization of the genetic diversity of Uganda’s sweet potato (Ipomoea batatas) germplasm using microsatellites markers
| Autor: | James F. Hancock, Eric Magembe, Marc Ghislain, Geovani Bernardo Amaro, Rebecca Grumet, Barbara M. Zawedde |
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| Přispěvatelé: | BARBARA M. ZAWEDDE, MICHIGAN STATE UNIVERSITY, MARC GHISLAIN, INTERNATIONAL POTATO CENTER, ERIC MAGEMBE, INTERNATIONAL POTATO CENTER, GEOVANI BERNARDO AMARO, CNPH, REBECCA GRUMET, MICHIGAN STATE UNIVERSITY, JIM HANCOCK, MICHIGAN STATE UNIVERSITY. |
| Rok vydání: | 2014 |
| Předmět: |
Germplasm
Genetic diversity fungi Biodiversity food and beverages Genetic relationship Plant Science Biology Ipomoea biology.organism_classification Plant breeding Marcador molecular Sweet potato Agronomy Genetic markers parasitic diseases Genotype Genetics Microsatellite Cultivar Ipomoea batatas human activities Agronomy and Crop Science Ecology Evolution Behavior and Systematics |
| Zdroj: | Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice) Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA |
| ISSN: | 1573-5109 0925-9864 |
| DOI: | 10.1007/s10722-014-0175-5 |
| Popis: | Knowledge about the genetic diversity and structure of crop cultivars can help make better conservation decisions, and guide crop improvement efforts. Diversity analysis using microsatellite markers was performed to assess the level of genetic diversity in sweet potato in Uganda, and evaluate the genetic relationship between the Uganda’s germplasm and some genotypes obtained from Kenya, Tanzania, Ghana, Brazil and Peru. A total of 260 sweet potato cultivars were characterized using 93 microsatellite loci. The Ugandan collection showed a large number of distinct landraces, and very low (3 %) levels of genetic diversity between genotypes obtained from the different agro-ecological zones. There was low (6 %) levels of genetic diversity observed between the East African genotypes; however unique alleles were present in collections from the various sources. Pairwise comparisons of genetic differentiation indicated that Uganda’s germplasm was significantly different (P |
| Databáze: | OpenAIRE |
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