Phenotypic plasticity masks range‐wide genetic differentiation for vegetative but not reproductive traits in a short‐lived plant
Copyright policy )Phenotypic plasticity masks range‐wide genetic differentiation for vegetative but not reproductive traits in a short‐lived plant
AbstractGenetic differentiation and phenotypic plasticity jointly shape intraspecific trait variation, but their roles differ among traits. In short‐lived plants, reproductive traits may be more genetically determined due to their impact on fitness, whereas vegetative traits may show higher plasticity to buffer short‐term perturbations. Combining a multi‐treatment greenhouse experiment with observational field data throughout the range of a widespread short‐lived herb,Plantago lanceolata, we (1) disentangled genetic and plastic responses of functional traits to a set of environmental drivers and (2) assessed how genetic differentiation and plasticity shape observational trait–environment relationships. Reproductive traits showed distinct genetic differentiation that largely determined observational patterns, but only when correcting traits for differences in biomass. Vegetative traits showed higher plasticity and opposite genetic and plastic responses, masking the genetic component underlying field‐observed trait variation. Our study suggests that genetic differentiation may be inferred from observational data only for the traits most closely related to fitness.
- Max Planck Institute for Plant Breeding Research Germany
- Spanish National Research Council Spain
- University of California, Irvine United States
- University of Melbourne Australia
- Max Planck Institute for Brain Research Germany
570, root:shoot ratio, Genotype by environment interaction, fecundity, Widespread species, Botánica (Biología), Variation, Observational datasets, genotype by environment interaction, Shoot ratio [Root], Specific leaf area, observational datasets, Root: Shoot ratio, biomass; common garden experiment; countergradient variation; fecundity; genotype by environment interaction; intraspecific trait variation; observational datasets; root:shoot ratio; specific leaf area; widespread species, countergradient, common garden experiment, VDP::Samfunnsvitenskap: 200::Urbanisme og fysisk planlegging: 230::Landskapsplanlegging: 236, 581.15, Biomass, invasive lants, environmental gradients, Plantago, 580, widespread species, biomass, 2409 Genética, Common garden experiment, Botánica, Masks, Intraspecific trait variation, Genética, Adaptation, Physiological, Phenotype, Fecundity, countergradient variation, intraspecific trait variation, climate-change, ta1181, 2417.03 Botánica General, specific leaf area
570, root:shoot ratio, Genotype by environment interaction, fecundity, Widespread species, Botánica (Biología), Variation, Observational datasets, genotype by environment interaction, Shoot ratio [Root], Specific leaf area, observational datasets, Root: Shoot ratio, biomass; common garden experiment; countergradient variation; fecundity; genotype by environment interaction; intraspecific trait variation; observational datasets; root:shoot ratio; specific leaf area; widespread species, countergradient, common garden experiment, VDP::Samfunnsvitenskap: 200::Urbanisme og fysisk planlegging: 230::Landskapsplanlegging: 236, 581.15, Biomass, invasive lants, environmental gradients, Plantago, 580, widespread species, biomass, 2409 Genética, Common garden experiment, Botánica, Masks, Intraspecific trait variation, Genética, Adaptation, Physiological, Phenotype, Fecundity, countergradient variation, intraspecific trait variation, climate-change, ta1181, 2417.03 Botánica General, specific leaf area
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