Going with the wind – Adaptive dynamics of plant secondary meristems

We explore potential approaches for dissecting the degree to which this flexibility and its consequences for plant architecture is genetically predetermined and how much it represents an adaptive value

Javier Agusti; Thomas Greb

2012

Scholarcy highlights

  • The developmental plasticity of organisms is a natural consequence of adaptation
  • Classical approaches targeting developmental processes usually focus on genetics as the essential factor underlying phenotypic differences
  • An evident example is the vast repertoire of growth forms observed in plant shoot systems
  • A fundamental factor underlying the broadness of this repertoire is the activity of secondary meristems, namely the axillary meristems that give rise to side shoots, and the cambium essential for stem thickening
  • ► We discuss the role of secondary meristems in the adaptation of plant growth forms. ► We highlight the integration of environmental inputs into plant growth regulation. ► Branching and secondary growth shape the plant body. ► Plant’s phenotypic plasticity can be used to dissect the evolution of growth forms

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