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종가시나무(Quercus glauca)의 육종집단 조성과 기후인자
손석규 ( Seog Gu Son ),김효정 ( Hyo Jeong Kim ),강영제 ( Young Je Kang ),오찬진 ( Chan Jin Oh ),김찬수 ( Chan Soo Kim ),변광옥 ( Kwang Ok Byun ) 한국농림기상학회 2011 한국농림기상학회지 Vol.13 No.3
A breeding population of Quercus glauca has been established via simple direct selection. Seedlings from naturally crossed seeds of 35 selected families growing in Jeju Island were placed using stroll repeated planting into two experimental forest located at Hannam and Sanghyo in Jeju. After 3 years of planting, characteristics of growth were examined. Growth pattern of trees in Sanghyo was better than those in Hannam. The average heights of filial were 66.8 cm in Hannam and 92.5 cm in Sanghyo. Root collar diameters of filial in Hannam and Sanghyo were 9.3 mm and 12.2 mm, respectively. A great weather differences especially in precipitation and temperature were shown between two test sites. The result of difference of growth pattern between two sites could be useful in provenance adaptability test. Data within families and individuals obtained from this study was also useful for establishment of seed orchard of Q. glauca.
백합나무(Liriodendron tulipifera L.) 체세포배(體細胞胚) 발생에 미치는 모수(母樹) 및 암배양(暗培養) 효과
손석규 ( Seog Gu Son ),문흥규 ( Heung Kyu Moon ),김용욱 ( Yong Wook Kim ),김지아 ( Ji Ah Kim ) 한국산림과학회 2005 한국산림과학회지 Vol.94 No.1
An effective micropropagation system for Liriodendron tulipifera L via somatic embryogenesis was established using immature seeds. Immature seeds from five individual trees were bisected longitudinally and cultured on two basal media (MS and R5) containing different combinations of 2.4-D and TDZ to induce callus and embryogenic tissue under light (40 umol m^(-2)s^(-1), 16 hr/day) or complete darkness at 25±2℃. There was no distinctive difference on callus and embryogenic tissue induction between the two basal media with PGRs. Optimum culture medium appeared to be MS medium supplemented with 1.0 mg/L 2.4-D and 0.01 mg/L TDZ plus 3% sucrose. Nonembryogenic callus induction rate was not significantly different among the genotypes. However, the embryogenic callus induction frequency differed greatly by the genotypes ranging from 55% to 72%, when cultured in the dark. Generally, the cultures maintained in the dark tended to show normal somatic embryo development as well as embryogenic tissue formation and this was confirmed by histological examination. Above results suggest that a proper selection of mother tree and dark culture condition are necessary to optimize somatic embryogenesis system of Liriodendron tulipffera.
비쭈기나무의 이름 유래와 문헌상 기재 그리고 이용 및 번식
서병기,변광옥,손석규,Seo, Byung-Key,Byun, Kwang-Ok,Son, Seog-Gu 배재대학교 자연과학연구소 2007 自然科學論文集 Vol.18 No.1
The Korean name "Bizooki" tree was named by the shape of winter bud which is like a slim bow. There are four scientific names in the tree which are Cleyera japonica Thunberg, Cleyera ochnacea DC, Sakakia ochnacea Nakai, and Ternstroemia gymnanthera. And the English name are Japanese Ternstroemia and Japanese Cleyera. "Bizooki" tree has planted at Buddhist temples in Japan for the ritual. The best result of stem cutting in "Bizooki" tree, 100 percent of rooting, could be accomplished in July when cuttings were done on the mixture-soil containing the same rates by volume of vermiculite, peatmoss and perlite with cuts processed with IBA 1,000 mg/l under the circumstances that 70% of shade, plastic mulching, and mist were conditioned.