The triangular space of abiotic stress tolerance in woody species : a unified trade-off model

© 2020 The Authors New Phytologist © 2020 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 229(2021), 3 vom: 28. Feb., Seite 1354-1362
1. Verfasser: Puglielli, Giacomo (VerfasserIn)
Weitere Verfasser: Hutchings, Michael J, Laanisto, Lauri
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't abiotic stress cold tolerance drought tolerance polytolerance shade tolerance trade-off waterlogging tolerance woody plants
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520 |a Tolerance of abiotic stress in woody plants is known to be constrained by biological trade-offs between different forms of stress, especially shade and drought. However, there is still considerable uncertainty on the relationship between tolerances and the limits on tolerance combinations. Using the most extensive database available on shade, drought, waterlogging and cold tolerance for 799 northern hemisphere woody species, we determined the number of dimensions needed to summarise their tolerance combinations, and the best trade-off model among those currently available, for description of the interdependence between tolerances. Two principal component analysis (PCA) dimensions summarised stress tolerance combinations. They defined a triangular stress tolerance space (STS). The first STS dimension reflected segregation between drought-tolerant and waterlogging-tolerant species. The second reflected shade tolerance, which is independent of the other tolerances. Cold tolerance scaled weakly with both dimensions. Tolerance combinations across the species in the database were limited by boundary-line trade-offs. The STS reconciles all major theories about trade-offs between abiotic stress tolerances, providing a unified trade-off model and a set of coordinates that can be used to examine how other aspects of plant biology, such as plant functional traits, change within the limits of abiotic stress tolerance 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a abiotic stress 
650 4 |a cold tolerance 
650 4 |a drought tolerance 
650 4 |a polytolerance 
650 4 |a shade tolerance 
650 4 |a trade-off 
650 4 |a waterlogging tolerance 
650 4 |a woody plants 
700 1 |a Hutchings, Michael J  |e verfasserin  |4 aut 
700 1 |a Laanisto, Lauri  |e verfasserin  |4 aut 
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