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Why Are There so Many Plant Species That Transiently Flush Young Leaves Red in the Tropics? by Gong, Wei-Chang; Liu, Yan-Hong; Wang, Chuan-Ming; Chen, Ya-Qing; Martin, Konrad; Meng, Ling-Zeng is a Agricultural and Biological Sciences article available to read on EtoBox.

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Delayed greening of young leaves is a ubiquitous and visually striking phenomenon in the tropics. Here, we investigated the potential ecological functions of red coloration patterns in young leaves. To detect any protective function of the red coloration on the young leaves, leaf damage by insect herbivores was recorded in the field. To determine capacity for chemical defense, the concentrations of tannins and anthocyanins were measured in both young and mature leaves. To test the hypothesis that anthocyanins function as photo-protective molecules, chlorophyll content, maximum photochemical efficiency of ( / ), non-photochemical quenching (), and effective quantum yield of ( ) were measured in the field. Phylogenetic relationships were analyzed to test the relationary significance of the occurrence of redness in young leaves. Compared to the coloration in non-red leaves, young red leaves had significant higher anthocyanins and tannins content and lower herbivore damages. Young, red leaves had the lowest / values, which were significantly lower than those of non-red leaves. values in young red leaves were comparable to those of other groups. Although young red leaves had high , thes

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Author

Gong, Wei-Chang; Liu, Yan-Hong; Wang, Chuan-Ming; Chen, Ya-Qing; Martin, Konrad; Meng, Ling-Zeng

Publisher

Frontiers Media SA; Frontiers Media S.A.; Lausanne: Frontiers Media S.A., 2010- (ISSN 1664-462X)

Published

2020

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)