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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1111/nph.12834
|2 doi
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|a pubmed25n0793.xml
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|a (NLM)24800901
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Niu, Yang
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Grey leaves in an alpine plant
|b a cryptic colouration to avoid attack?
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| 264 |
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 30.03.2015
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2014 The Authors. New Phytologist © 2014 New Phytologist Trust.
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|a Cryptic colouration is a common predation-avoidance strategy in animals that is postulated to occur in plants, but few experimental studies have rigorously tested this hypothesis. We investigated the colouration of Corydalis benecincta, an alpine plant with remarkably dimorphic leaf colours (grey and green), based on a cost-benefit analysis. First we tested the premise that herbivores (Parnassius butterflies) cannot distinguish grey leaves from a scree background by spectrographic measurements and by estimating discriminability between leaves and scree using a butterfly colour vision model. Then we estimated the potential costs of inconspicuousness by comparing the photosynthetic performance and visual attractiveness to flower visitors of the two colour morphs. Finally, we examined the potential benefits of inconspicuousness by comparing damage, survivorship and female reproductive success. It is difficult for herbivores to distinguish grey-coloured morphs against the background. This grey colour originates in a combination of anthocyanins and chlorophylls. The two colour morphs had similar photosynthetic performance, visual attractiveness and female reproductive success. However, grey morphs had significantly lower herbivore damage and higher survivorship. Grey leaves benefit C. benecincta by reducing herbivory with low investment in anthocyanin synthesis, and little cost on photosynthesis and mating opportunity. This cryptic colouration may have evolved through selection pressure imposed by visually foraging herbivores
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4 |
|a Journal Article
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|a Research Support, Non-U.S. Gov't
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| 650 |
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4 |
|a Corydalis benecincta
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| 650 |
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4 |
|a Parnassius
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| 650 |
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4 |
|a alpine plant
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| 650 |
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4 |
|a cryptic colouration
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| 650 |
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4 |
|a leaf colour dimorphism
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| 650 |
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4 |
|a plant defence
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| 650 |
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7 |
|a Pigments, Biological
|2 NLM
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| 700 |
1 |
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|a Chen, Gao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peng, De-Li
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Song, Bo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Yang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Zhi-Min
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Hang
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t The New phytologist
|d 1990
|g 203(2014), 3 vom: 28. Aug., Seite 953-63
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
1 |
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|g volume:203
|g year:2014
|g number:3
|g day:28
|g month:08
|g pages:953-63
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| 856 |
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|u http://dx.doi.org/10.1111/nph.12834
|3 Volltext
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