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Article Dans Une Revue Physiologia Plantarum Année : 2022

Gypsum endemics accumulate excess nutrients in leaves as a potential constitutive strategy to grow in grazed extreme soils

Andreu Cera
Gabriel Montserrat‐martí
  • Fonction : Auteur
Rebecca E Drenovsky
  • Fonction : Auteur
Sara Palacio
  • Fonction : Auteur

Résumé

Extreme soils often have mineral nutrient imbalances compared to plant nutritional requirements and co-occur in open areas where grazers thrive. Thus, plants must respond to both constraints, which can affect nutrient concentrations in all plant organs. Gypsum soil provides an excellent model system to study adaptations to extreme soils under current grazing practices as it harbours two groups of plant species that differ in their tolerance to gypsum soils and foliar composition. However, nutrient concentrations in organs other than leaves, and their individual responses to simulated herbivory, are still unknown in gypsum plants. We studied plant biomass, root mass ratio and nutrient partitioning among different organs (leaves, stems, coarse roots, fine roots) in five gypsum endemics and five generalists cultivated in gypsum and calcareous soils and subjected to different levels of simulated browsing.
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Dates et versions

hal-04135893 , version 1 (21-06-2023)

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Andreu Cera, Gabriel Montserrat‐martí, Rebecca E Drenovsky, Alain Ourry, Sophie Brunel‐muguet, et al.. Gypsum endemics accumulate excess nutrients in leaves as a potential constitutive strategy to grow in grazed extreme soils. Physiologia Plantarum, 2022, 174, ⟨10.1111/ppl.13738⟩. ⟨hal-04135893⟩
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