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2025 Vol.38, Issue 1 Preview Page

Research Article

Evaluation of the Agronomic Characteristics and Fatty Acid Components of the Oilseed Rape (Brassica napus L.) Germplasms with Multivariate Analysis

유채 유전자원의 농업적 특성 및 지방산 조성 다변량 분석

Hyun Min Cho1
,
Da Hee An1
,
Ji Bong Choi1
,
Dong Sung Kim1
,
Soo Yeon Kim2
,
Young Lok Cha3
,
Jaehee Jeong1
조 현민1
,
안 다희1
,
최 지봉1
,
김 동성1
,
김 수연2
,
차 영록3
,
정 재희1
1Agriculture Researcher, Bioenergy Crop Research Institute, National Institute of Crop Science, RDA, Muan 58545, Korea
2Post-Doc, Bioenergy Crop Research Institute, National Institute of Crop Science, RDA, Muan 58545, Korea
3Senior Researcher, Bioenergy Crop Research Institute, National Institute of Crop Science, RDA, Muan 58545, Korea
1농촌진흥청 국립식량과학원 바이오에너지작물연구소 농업연구사
2농촌진흥청 국립식량과학원 바이오에너지작물연구소 전문연구원
3농촌진흥청 국립식량과학원 바이오에너지작물연구소 농업연구관
*Corresponding Author
1 February 2025. pp. 26-38
PDF XML Citation
Abstract

This study analyzed 10 agronomic traits and 8 fatty acid contents in 129 oilseed rape (Brassica napus L.) genetic resources collected domestically and abroad by the National Agrobiodiversity Center of the Rural Development Administration. Key traits varied widely: days to flowering (137–188 day), plant height (79.3–198.7 ㎝), seeds per pod (13.3–32.2 ea), 1000-seed weight (2.3–6.4 g), erucic acid content (0–51.9%), and oleic acid content (9.7–70.4%). Correlation analysis revealed a strong positive correlation (r=0.633***) between days to flowering and plant height, and a significant negative correlation (r=-0.984***) between erucic and oleic acid contents. Principal component analysis explained 73.9% of total variation using five principal components, with erucic and oleic acid influencing the first component, and plant height and branch length shaping the second. Genetic resources were classified into five clusters, with Cluster II (28.7% of accessions) showing early flowering, the most seeds, low erucic acid, and high oleic acid. The findings of this study will serve as a valuable foundation for the characterization of oilseed rape genetic resources and the selection of appropriate crosses for breeding applications.

Keywords
Agronomic characteristics
Fatty acid
Multivariate analysis
Oilseed rape
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Information
  • Publisher :The Plant Resources Society of Korea
  • Publisher(Ko) :한국자원식물학회
  • Journal Title :Korean Journal of Plant Resources
  • Journal Title(Ko) :한국자원식물학회지
  • Volume : 38
  • No :1
  • Pages :26-38
  • Received Date : 2024-09-02
  • Revised Date : 2025-01-02
  • Accepted Date : 2025-01-03
  • DOI :https://doi.org/10.7732/kjpr.2025.38.1.026
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