헛개나무 선발개체 차대의 생장 및 엽특성
Leaf Characteristics and Growth Performance in Progenies of Hovenia dulcis var. koreana Nakai.
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Abstract
- This study was conducted by estimate of leaf characteristics and growth performance among selected 20families progenies of Hovenia dulcisvar. koreanaNakai. Mean seedling height and root-collar diameter in wholeprogenies showed 61.6cm, 6.98mm, respectively. Mean seedling height of KW 2-5 family was 79.3cm and it was higherthan that of other families. JN 2-2 family had highest value, 9.16mm, in mean of root-collar diameter. Growthperformances of KW 2-5 and JN 2-2 families showed 57% (in seedling height), 53% (in root-collar diameter) superior tothose of lowest marked families. The selection level based on growth performances, which are seedling height over 75.0cm and root-collar diameter over 8.0mm, were applied on whole families, and two families selected (KW 2-5, JN 2-2).The selection effects from selected families was evaluated as 125% compared to the mean of whole families. Thecoefficient of variation (C.V) appeared wide range, 9.4∼42.4%, in estimated leaf characteristics. Particularly, C.V ofpetiole length (PL) and petiole diameter (PD) showed 42.4% and 28.7%, respectively. Their were higher value than otherleaf characteristics. Analysis of variance for all leaf characteristics were significantly different among families. Also,there had positive correlation between most leaf characteristics except the correlation between leaf length (LL) and leafmorphological index (LMI, LW/LL). Particularly, the correlation between leaf length and leaf width (LW) showed thehighest correlation.Key words - Hovenia dulcisvar. koreanaNakai., Leaf characteristics, Growth performance
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