우리나라 野生 차나무(Camellia sinensis L.) 集團의 種子特性 變異

• 영문명: The Variation of Seed Characteristics of Wild Tea Populations in Korea
• 발행기관: 한국차학회
• 저자명: 송정호(Jeong-Ho Song) 장경환(Kyung-Hwan Jang) 임효인(Hyo-In Lim) 양병훈(Byeung-Hoon Yang) 김준혁(Joon-Hyeok Kim)
• 간행물 정보: 『한국차학회지』제17권 제2호, 107~112쪽, 전체 6쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 2011.06.30

영문 초록

This study was conducted to investigate the variation of seed characteristics among populations and among clumps within population of wild tea (Camellia sinensis L.) distributed in Korea. Fruits and seeds were collected from 225 clumps in 13 populations and their seven seed characteristics were analyzed using multivariate analysis. The mean values of seed characteristics were 12.4 mm in seed length, 13.9 mm in seed width, 0.90 in seed length/width, 13.1 mm in seed thickness, 0.95 in seed length/thickness, 1.07 in seed width/thickness, and 0.95 g in seed weight, respectively. Coefficients of variation were low (5.6-9.3%) in all seed characteristics except seed weight (27.7%). ANOVA analysis showed significant differences among populations and among clumps within population in all seed characteristics. According to Nested analysis, variance contributions among populations in the characters excluding seed length/thickness and seed weight were higher than those among clumps within population. Cluster analysis using average linkage method showed three groups to Euclidean distance 0.45. But, there was no significant relationship between population association and geographical distribution. The results of principal component analysis for seven seed characteristics showed that primary two principal components (PC's) explained 90.8% of the total variation. The first PC accounted for 75.0% of the variability which correlated with seed length, seed width and seed thickness, and the second PC accounted for 15.8% of the variability which correlated with seed weight. According to correlation analysis, the populations which located in high latitude and low altitude place have more heavy seed than low latitude and high altitude populations.

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키워드

Camellia sinensis wild tea population seed characteristics multivariate analysis variation