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Related Experiment Video

Updated: Apr 14, 2026

Robotic Sensing and Stimuli Provision for Guided Plant Growth
08:02

Robotic Sensing and Stimuli Provision for Guided Plant Growth

Published on: July 1, 2019

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Shaping plant architecture.

Thomas Teichmann1, Merlin Muhr1

  • 1Plant Cell Biology, Georg-August-Universität Göttingen, Göttingen Germany.

Frontiers in Plant Science
|April 28, 2015
PubMed
Summary
This summary is machine-generated.

Plant architecture is shaped by environmental factors and regulated by hormones like auxin and strigolactones. Understanding key genes controlling branching is crucial for improving crop yield and plant breeding.

Keywords:
apical dominanceauxinaxillary meristembranchingcytokininsideal plant architecturepoplarstrigolactone

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Area of Science:

  • Plant biology
  • Developmental biology
  • Genetics

Background:

  • Plants display phenotypic plasticity, adjusting architecture and branching to environmental cues.
  • Modular plant design facilitates morphological adaptations, with axillary meristem initiation being key for branch formation.

Purpose of the Study:

  • To review current knowledge on axillary meristem initiation and bud outgrowth regulation.
  • To discuss the role of endogenous and exogenous factors, phytohormones, and transcription factors in plant architecture.
  • To explore the economic significance of plant architecture and its modification through domestication and breeding.

Main Methods:

  • Review of existing literature on plant architecture, meristem development, and hormonal regulation.
  • Analysis of regulatory networks involving auxin, strigolactones, and transcription factors like BRANCHED1.
  • Examination of genetic changes during plant domestication and breeding programs.

Main Results:

  • Branch formation depends on axillary meristem initiation, influenced by factors like photoassimilate, nutrients, and shading.
  • Apical dominance, regulated by auxin and modulated by strigolactones, plays a role in bud outgrowth.
  • Key genes controlling plant architecture have been targets of selection during domestication and breeding.

Conclusions:

  • The complex interplay of factors regulating plant architecture is still being elucidated, with ongoing research into alternative models.
  • Understanding plant architecture is vital for improving crop yield, management, and developing new breeding strategies.
  • Breeding and biotechnological approaches offer potential for further optimizing plant architecture for economic benefits.