Young-Leaf Anthocyanin and Solar Ultraviolet

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For six tropical rainforests pecies, young leaves produced on rapidly flushings hoots had markedlyl ower reflectancei n the UV-B region than did mature leaves and contained higher levels of anthocyaninsa nd total phenols. Progressive changes in these characteristicps rovide empirical support for an earlier suggestiont hat anthocyaninsi n flushings hoots of tropicalt rees have adaptive value throught heir ultravioleta bsorption.

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