volume 165, issue 1, P29-37 2017
DOI: 10.1111/eea.12626
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Elisa Männistö, Jarmo K. Holopainen, Elina Häikiö, Tero Klemola

Abstract: Abstract Red autumn colouration of trees is the result of newly synthesized anthocyanin pigments in senescing autumn leaves. As anthocyanin accumulation is costly and the trait is not present in all species, anthocyanins must have an adaptive significance in autumn leaves. According to the coevolution hypothesis of autumn colours, red autumn leaves warn herbivorous insects – especially aphids that migrate to reproduce in trees in the autumn – that the tree will not be a suitable host for their offspring in sp…

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