14. Development and Morphogenesis

Concepts
Sensing Environmental Stimuli

• Light
• Gravity
• Touch
• Temperature
• Water

Responding to Environmental Stimuli

• Tropic Responses
• Nastic Responses
• Morphogenic Responses
• Taxis

Communication Within the Plant

• Perception and Transduction
• Chemical Messengers
  • Auxins
  • Cytokinins
  • Gibberellins
  • Abscisic Acid
  • Ethylene

Activation and Inhibition of Shoots by Auxin

• Cell Elongation
• Apical Dominance
• Differentiation of Vascular Tissues

Interactions of Hormones in Shoots
Hormones as Signals of Environmental Factors

• Leaf Abscission
• Tropisms

Flowering

• Ripeness to Flower
• Photoperiodic Induction to Flower
• Endogenous Rhythms and Flowering

Plants and People: Plant Tissue Culture and Medicine