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2015 Vol.60, Issue 1 Preview Page

Original Research Article

Development and Evaluation of Core Collection Using Qualitative and Quantitative Trait Descriptor in Sesame (Sesamum indicum L.) Germplasm
Jong-Hyun Park1
,
Sundan Suresh2
,
Sebastin Raveendar3
,
Hyung-Jin Baek3
,
Chung-Kon Kim4
,
Sokyoung Lee4
,
Gyu-Taek Cho3
,
Kyung-Ho Ma3
,
Chul-Won Lee5*
,
Jong-Wook Chung3**
1Food Grain Policy Division, MAFRA, Sejong 339-012, Republic of KOREA
2Department of Botony, Directorate of Distance Education, Madurai Kamaraj University, Palkalai Nagar, Madurai 625 021, Tamil Nadu, India.
3National Agrobiodiversity Center, National Academy of Agricultural Sciences, RDA, Jeonju 560-500, Republic of Korea.
4Agricultural Research & Extension Services, Jeollabuk-do, Iksan 570-704, Republic of Korea.
5Department of Crop science, Chungbuk National University, Cheongju 361-763, Republic of Korea.
*Corresponding Author
**Corresponding Author
31 March 2015. pp. 75-84
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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
References

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Information
  • Publisher :The Korean Society of Crop Science
  • Publisher(Ko) :한국작물학회
  • Journal Title :The Korean Journal of Crop Science
  • Journal Title(Ko) :한국작물학회지
  • Volume : 60
  • No :1
  • Pages :75-84
  • Received Date : 2014-07-10
  • Revised Date : 2014-11-04
  • Accepted Date : 2015-11-18
  • DOI :https://doi.org/10.7740/kjcs.2014.60.1.075
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