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2020 Vol.65, Issue 4 Preview Page
Evaluation of Morphological Traits and Genetic Composition in Melon Germplasm

멜론 유전자원의 형태적 특성 및 유전적 구성 평가

Seungbum Lee1§
,
Ik Jang2§
,
Do Yoon Hyun3
,
Jung-Ro Lee3
,
Seong-Hoon Kim3
,
Eunae Yoo3
,
Sookyeong Lee3
,
Gyu-Taek Cho4*
,
Kyung Jun Lee1*
이 승범1§
,
장 익2§
,
현 도윤3
,
이 정로3
,
김 성훈3
,
유 은애3
,
이 수경3
,
조 규택4*
,
이 경준1*
1Doctor Degree Researcher, National Agrobiodiversity Center, National Institute of Agricultural Sciences (NAS), RDA
2Master Degree Researcher, National Agrobiodiversity Center, National Institute of Agricultural Sciences (NAS), RDA
3Junior Research Scientist, National Agrobiodiversity Center, National Institute of Agricultural Sciences (NAS), RDA
4Senior Research Scientist, National Agrobiodiversity Center, National Institute of Agricultural Sciences (NAS), RDA
1농촌진흥청 국립농업과학원 농업유전자원센터 박사전문연구원
2농촌진흥청 국립농업과학원 농업유전자원센터 석사전문연구원
3농촌진흥청 국립농업과학원 농업유전자원센터 농업연구사
4농촌진흥청 국립농업과학원 농업유전자원센터 농업연구관
*Corresponding Author
*Corresponding Author
§These authors contributed equally to this work.
1 December 2020. pp. 485-498
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Abstract

Melon (Cucumis melo L.), one of the most important fruit crop species, is cultivated worldwide. In this study, a total of 206 melon accessions conserved at the National Agrobiodiversity Center (NAC) in RDA were characterized for nine morphological characteristics according to the NAC descriptor list. In addition, to confirm the genetic composition of each melon accession, genetic profiling was performed using 20 SSR markers. Among the 206 melon accessions, 159 (77.2%) were collected from Asia. The color of fruit flesh and skin were mostly ‘white’ (56.0%) and ‘green’ (49%), respectively. Days to female flowering (FD) and maturity (MD) of the accessions ranged from 58 to 72 and 17 to 63, respectively. The fruit length and width of the accessions ranged from 6.0 to 29.3 and 3.6 to 17.2 cm, respectively. The sugar content (SU) ranged from 2.5% to 13.2% with an average of 7.0%. In correlation analysis, SU showed positive and negative correlations with MD and FD, respectively. The accessions were classified into four clusters by cluster analysis. From the results of genetic profiling using 20 SSR markers, three accessions (K189118, K100486, and K190292) were expected to be inbred lines among 206 melon accessions. These results could expand the knowledge of the melon germplasm, providing valuable material for the development of new melon varieties to suit consumer tastes.

Keywords
genetic resources
melon
morphological traits
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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 : 65
  • No :4
  • Pages :485-498
  • Received Date : 2020-07-08
  • Revised Date : 2020-08-13
  • Accepted Date : 2020-09-14
  • DOI :https://doi.org/10.7740/kjcs.2020.65.4.485
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