Leaf functional traits and pathogens Linking coffee leaf rust with intraspecific trait variation in diversified agroecosystems

Research has demonstrated that intraspecific functional trait variation underpins plant responses to environmental variability. However, few studies have evaluated how trait variation shifts in response to plant pathogens, even though pathogens are a major driver of plant demography and diversity, a...

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Main Authors:	Virginio Filho, Elias de Melo, y otros 5 autores más
Format:	Artículo
Language:	Inglés
Published:	PLOS 2014
Subjects:	LEAVES HOJAS LEGUMES LEGUMINOSAS PLANT PATHOLOGY FITOPATOLOGIA STOMATA ESTOMA WOOD MADERA TIMBER TREES PLANT FUNGAL PATHOGENS PATÓGENOS FÚNGICOS VEGETALES
Online Access:	https://repositorio.catie.ac.cr/handle/11554/4326

id	RepoCATIE4326
record_format	dspace
spelling	RepoCATIE43262023-05-10T01:00:11Z Leaf functional traits and pathogens Linking coffee leaf rust with intraspecific trait variation in diversified agroecosystems Virginio Filho, Elias de Melo y otros 5 autores más LEAVES HOJAS LEGUMES LEGUMINOSAS PLANT PATHOLOGY FITOPATOLOGIA STOMATA ESTOMA WOOD MADERA TIMBER TREES PLANT FUNGAL PATHOGENS PATÓGENOS FÚNGICOS VEGETALES Research has demonstrated that intraspecific functional trait variation underpins plant responses to environmental variability. However, few studies have evaluated how trait variation shifts in response to plant pathogens, even though pathogens are a major driver of plant demography and diversity, and despite evidence of plants expressing distinct strategies in response to pathogen pressures. Understanding trait-pathogen relationships can provide a more realistic understanding of global patterns of functional trait variation. We examined leaf intraspecific trait variability (ITV) in response to foliar disease severity, using Coffea arabica cv. Caturra as a model species. We quantified coffee leaf rust (CLR) severity—a fungal disease prominent in coffee systems—and measured key coffee leaf functional traits under contrasting, but widespread, management conditions in an agroforestry system. We found that coffee plants express significant ITV, which is largely related to shade tree treatment and leaf position within coffee canopy strata. Yet within a single plant canopy stratum, CLR severity increased with increasing resource conserving trait values. However, coffee leaves with visible signs of disease expressed overall greater resource acquiring trait values, as compared to plants without visible signs of disease. We provide among the first evidence that leaf traits are correlated with foliar disease severity in coffee, and that functional trait relationships and syndromes shift in response to increased disease prevalence in this plant-pathogen system. In doing so, we address a vital gap in our understanding of global patterns of functional trait variation and highlight the need to further explore the potential role of pathogens within established global trait relationships and spectra. 2014-10-20T01:07:31Z 2014-10-20T01:07:31Z 2023-04-13 Artículo https://repositorio.catie.ac.cr/handle/11554/4326 openAccess en PLOS ONE https://doi.org/10.1371/journal.pone.0284203 16 páginas application/pdf PLOS
institution	Centro Agronómico Tropical de Investigación y Enseñanza
collection	Repositorio CATIE
language	Inglés
topic	LEAVES HOJAS LEGUMES LEGUMINOSAS PLANT PATHOLOGY FITOPATOLOGIA STOMATA ESTOMA WOOD MADERA TIMBER TREES PLANT FUNGAL PATHOGENS PATÓGENOS FÚNGICOS VEGETALES
spellingShingle	LEAVES HOJAS LEGUMES LEGUMINOSAS PLANT PATHOLOGY FITOPATOLOGIA STOMATA ESTOMA WOOD MADERA TIMBER TREES PLANT FUNGAL PATHOGENS PATÓGENOS FÚNGICOS VEGETALES Virginio Filho, Elias de Melo y otros 5 autores más Leaf functional traits and pathogens Linking coffee leaf rust with intraspecific trait variation in diversified agroecosystems
description	Research has demonstrated that intraspecific functional trait variation underpins plant responses to environmental variability. However, few studies have evaluated how trait variation shifts in response to plant pathogens, even though pathogens are a major driver of plant demography and diversity, and despite evidence of plants expressing distinct strategies in response to pathogen pressures. Understanding trait-pathogen relationships can provide a more realistic understanding of global patterns of functional trait variation. We examined leaf intraspecific trait variability (ITV) in response to foliar disease severity, using Coffea arabica cv. Caturra as a model species. We quantified coffee leaf rust (CLR) severity—a fungal disease prominent in coffee systems—and measured key coffee leaf functional traits under contrasting, but widespread, management conditions in an agroforestry system. We found that coffee plants express significant ITV, which is largely related to shade tree treatment and leaf position within coffee canopy strata. Yet within a single plant canopy stratum, CLR severity increased with increasing resource conserving trait values. However, coffee leaves with visible signs of disease expressed overall greater resource acquiring trait values, as compared to plants without visible signs of disease. We provide among the first evidence that leaf traits are correlated with foliar disease severity in coffee, and that functional trait relationships and syndromes shift in response to increased disease prevalence in this plant-pathogen system. In doing so, we address a vital gap in our understanding of global patterns of functional trait variation and highlight the need to further explore the potential role of pathogens within established global trait relationships and spectra.
format	Artículo
author	Virginio Filho, Elias de Melo y otros 5 autores más
author_facet	Virginio Filho, Elias de Melo y otros 5 autores más
author_sort	Virginio Filho, Elias de Melo
title	Leaf functional traits and pathogens Linking coffee leaf rust with intraspecific trait variation in diversified agroecosystems
title_short	Leaf functional traits and pathogens Linking coffee leaf rust with intraspecific trait variation in diversified agroecosystems
title_full	Leaf functional traits and pathogens Linking coffee leaf rust with intraspecific trait variation in diversified agroecosystems
title_fullStr	Leaf functional traits and pathogens Linking coffee leaf rust with intraspecific trait variation in diversified agroecosystems
title_full_unstemmed	Leaf functional traits and pathogens Linking coffee leaf rust with intraspecific trait variation in diversified agroecosystems
title_sort	leaf functional traits and pathogens linking coffee leaf rust with intraspecific trait variation in diversified agroecosystems
publisher	PLOS
publishDate	2014
url	https://repositorio.catie.ac.cr/handle/11554/4326
work_keys_str_mv	AT virginiofilhoeliasdemelo leaffunctionaltraitsandpathogenslinkingcoffeeleafrustwithintraspecifictraitvariationindiversifiedagroecosystems AT yotros5autoresmas leaffunctionaltraitsandpathogenslinkingcoffeeleafrustwithintraspecifictraitvariationindiversifiedagroecosystems
_version_	1808117594849280000

Leaf functional traits and pathogens Linking coffee leaf rust with intraspecific trait variation in diversified agroecosystems

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