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http://dx.doi.org/10.7740/kjcs.2014.60.1.075

Development and Evaluation of Core Collection Using Qualitative and Quantitative Trait Descriptor in Sesame (Sesamum indicum L.) Germplasm  

Park, Jong-Hyun (Food Grain Policy Division, MAFRA)
Suresh, Sundan (Department of Botony, Directorate of Distance Education, Madurai Kamaraj University)
Raveendar, Sebastin (National Agrobiodiversity Center, National Academy of Agricultural Sciences, RDA)
Baek, Hyung-Jin (National Agrobiodiversity Center, National Academy of Agricultural Sciences, RDA)
Kim, Chung-Kon (Agricultural Research & Extension Services)
Lee, Sokyoung (National Agrobiodiversity Center, National Academy of Agricultural Sciences, RDA)
Cho, Gyu-Taek (National Agrobiodiversity Center, National Academy of Agricultural Sciences, RDA)
Ma, Kyung-Ho (National Agrobiodiversity Center, National Academy of Agricultural Sciences, RDA)
Lee, Chul-Won (Department of Crop science, Chungbuk National University)
Chung, Jong-Wook (National Agrobiodiversity Center, National Academy of Agricultural Sciences, RDA)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.60, no.1, 2015 , pp. 75-84 More about this Journal
Abstract
Sesame (Sesamum indicum L.) is one of the most important oilseed crops with high oil contents and rich nutrient value. The development of a core collection could facilitate easier access to sesame genetic resources for their use in crop improvement programs and simplify the genebank management. The present study was initiated to the development and evaluation of a core collection of sesame based on 5 qualitative and 10 quantitative trait descriptors on 2,751 sesame accessions. The accessions were different countries of origin. About 10.1 percent of accessions were selected by using the power core program to constitute a core collection consisting of 278 accessions. Mean comparisons using t-test, Nei's diversity index of 10 morphological descriptors and correlation coefficients among traits indicated that the existing genetic variation for these traits in the entire collection has been preserved in the core collection. The results from this study will provide effective information for future germplasm conservation and improvement programs in sesame.
Keywords
core collection; development; evaluation; sampling strategy; sesame germplasm;
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