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Gill, John; And Others – Journal of Biological Education, 1988
Describes laboratory procedures for observing the progressive change deciduous leaves undergo prior to abscission. Outlines the starch test, sugar test, extraction and chromatography of pigments, and experimental results. States that obtained results enable the events of leaf senescence to be correlated with the carbohydrate economy of a tree in…
Descriptors: Biology, Botany, Chromatography, College Science