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산칠량이 (産漆量) 많은 옻나무개체의 선발에 관한 연구
현정오,김만조,이세표 ( Jung Oh Hyun,Mahn Jo Kim,Shae Pyo Lee ) 한국산림과학회 1993 한국산림과학회지 Vol.82 No.2
This study was conducted to investigate characteristics related to lacquer yield and to evaluate possibility of indirect selection of Rhus verniciflua Stokes. Twenty-four lacquer trees were randomly selected for measuring growth, urushiol content and bark thickness. Urushiol content showed a significant positive correlation with outer bark thickness and secretory canal density at 1% level, and with inner bark thickness at 5% level. Bark thickness and secretory canal density could be used as indicators for high urushiol content within bark and thus for high lacquer yield. Mass selection for high lacquer yield was made based on urushiol content within bark. Sixteen individuals with the highest urushiol content value were selected for breeding. As expected, the selected trees had thicker bark. higher density of secretory canal, better developed secretory canals compare to the non-selected lacquer trees.