Modeling branching in cereals

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15 Citations (Scopus)

Abstract

Cereals and grasses adapt their structural development to environmental conditions and the resources available. The primary adaptive response is a variable degree of branching, called tillering in cereals. Especially for heterogeneous plant configurations the degree of tillering varies per plant. Functional–structural plant modeling (FSPM) is a modeling approach allowing simulation of the architectural development of individual plants, culminating in the emergent behavior at the canopy level. This paper introduces the principles of modeling tillering in FSPM, using (I) a probability approach, forcing the dynamics of tillering to correspond to measured probabilities. Such models are particularly suitable to evaluate the effect structural variables on system performance. (II) Dose–response curves, representing a measured or assumed response of tillering to an environmental cue. (III) Mechanistic approaches to tillering including control by carbohydrates, hormones, and nutrients. Tiller senescence is equally important for the structural development of cereals as tiller appearance. Little study has been made of tiller senescence, though similar concepts seem to apply as for tiller appearance.
Original languageEnglish
Article number399
Number of pages6
JournalFrontiers in Plant Science
Volume4
DOIs
Publication statusPublished - 2013

Keywords

  • far-red ratio
  • functional-structural model
  • root-system architecture
  • spring wheat
  • plant development
  • wide-range
  • rice
  • growth
  • morphogenesis
  • competition

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