作者: R. H. Smith
DOI: 10.1126/SCIENCE.143.3612.1337
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摘要: Wide differences from tree to were found in the monoterpene composition of wood oleoresin ponderosa pines located same geographic area California. Differences attributable variation within tree, season sampling, year and methods analysis by gas chromatography only slight. There may be an inverse relation between amounts Delta(3)(-) carene beta-pinene a given tree.