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곰솔 水溶抽出液이 植物에 미치는 Allelopathy效果
金貴順,吉奉燮 圓光大學校 基礎自然科學硏究所 1984 基礎科學硏究誌 Vol.3 No.1
Aqueous extracts, leachates of black pine (Pinus thunbergii PARL.) were prepared to elucidate allelopathic effects on the selected species. Germination and seedling growth were heavily inhibitory at pH 3 below, pH 9 above extracts of leaves and did also in extracts provided at 18℃ for 96hrs. Comparing with inside species and outside species of black pine forest, in general, relative germination percentage(RGP), relative elongation percentage(REP) and dry weight of the outside species were lower than that of the inside species. It was confirmed that phytotoxic substances related to allelopathic phenomenon largely contained in black pine leaves. 13 phenolic acids were isolated and identified by paper chromatography from black pine leaves. By HPLC 6 phenolic acids were indentified from black pine leaves, among them gallic, p-hydroxybenzoic, vanillic and syringic acid had been recognized just same of red pine materials.