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Correlation Analysis on Several Factors and Collection Amount of Rhus Lacquer by the Sex of Rhus verniciflua  

Song Byong-Min (Dept. of Forest Science, Sangji University)
Lee Cheol (Goseong Forestry Cooperatives Association)
Publication Information
Korean Journal of Plant Resources / v.18, no.2, 2005 , pp. 279-284 More about this Journal
Abstract
The study was conducted to investigate the correlation and regression analysis between the factors - diameter, hight and crown width - and collection amount of Rhus lacquer by the sex of Rhus verniciflua. The relationship between the diameter and the collection amount of the lacquer by the sex of the lacquer tree indicated that, for both of the male and the female, the lacquer amount was likely to increase as the diameter got larger. In general, the male trees tended towards the higher amount of the lacquer than the female. The relationship between the crown width and the collection amount of the lacquer by the sex showed little difference. As the crown became wider, however, the lacquer amount showed the increasing trend. The regression analysis by the sex of the tree indicated that the major factors of the female had larger influence on the lacquer amount than those of the male. The no differences of statistical significance were found among the diameter, the height, the crown width, and the lacquer amount.
Keywords
Rhus verniciflua; Rhus lacquer; lacquer tree; correlation; regression analysis;
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