Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Analysis of Leaf Morphological Variation of 11 Natural Populations of Acer pictum subsp. mono (Maxim.) Ohashi

고로쇠나무 11개 자연집단의 잎의 형질 변이 분석

  • Song, Jeong-Ho (Department of Forest Genetic Resources, Korea Forest Research Institute) ;
  • Hur, Seong-Doo (Department of Seed & Seedling Management, Korea Forest Seed & Variety Center)
  • 송정호 (국립산림과학원 산림유전자원부) ;
  • 허성두 (국립산림품종관리센터 종묘관리과)
  • Received : 2010.07.07
  • Accepted : 2011.09.05
  • Published : 2011.10.31
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Abstract

Characteristics of leaf morphology was examined in 11 natural populations of Acer pictum subsp. mono (Maxim.) Ohashi in Korea. Nested Anova showed that there were statistically significant differences among populations as well as among individuals within populations in all 14 quantitative characters. In all the leaf characters, variance components among individuals within populations were higher than those among populations. Some morphological characters such as the ration of Blade length to Petiole length (0.90), Uower lobe width (0.85), Blade length (0.83), and Middle lobe width (0.83) showed the relative high differences in the values of differentiation (Dij) among populations. Of the ten populations, Gwangyang (1.36) and Cheongyang (1.30) were highly differentiated based on the total mean Dij of fourteen morphological characters, while Ulju (0.30) and Jeongseon (0.44) were scarcely differentiated.

고로쇠나무 11개 자연집단의 잎의 14가지 형태적 특성에 대한 변이분석을 실시하였다. Nested 분산분석 결과 14가지 양적특성들 모두에서 집단간 및 집단 내 개체 간에 유의적인 차이를 보였으며, 모든 형질들에서 총 분산 가운데 집단 내 개체 간 차지하는 비율이 집단간 차지하는 비율보다 큰 것으로 나타났다. 집단간 분화정도를 알아보고 형질간 상호비교를 위하여 표준화시킨 $D_{ij}$값은 엽신장/엽병장(0.90), 상열편폭(0.85) 및 엽신장과 중열편폭(0.83) 특성들이 다른 형질들에 비해 이탈정도가 큰 형질들로 나타났다. 또한 14가지 형태적 특성에 대한 전체평균 $D_{ij}$값은 광양(1.36)과 청양(1.30) 집단이 집단분화가 가장 큰 값을 보인반면 울주(0.30)와 정선(0.44) 집단이 가장 작은 값을 보여 조사된 집단들 중 울주와 정선집단이 고로쇠나무 잎의 형태적 특성을 대표할 수 있는 평균집단에 가까운 것으로 나타났다.

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