Eco-physiological studies on the response of taxodiaceous conifers to shading, with special reference to the behaviour of leaf pigments [Japan], 1: Distribution of carotenoids in green and autumnal reddish brown leaves of gymnosperms

agronomic characters anatomia anatomie anatomy asia asie carotenoide carotenoides carotenoids cetonas cetone composition conifere conifers feuille fisiologia gimnospermas gymnosperme gymnosperms hojas japan japon ketones leaves organic compounds periodicidad periodicity physiologie physiology pigment pigmentation pigmentos pigments plant anatomy saison seasons taxodiaceae temps tiempo time timing