Description

Plant Growth and development

Growth

• Growth is indeterminate

• Growth is measurable

Phases of growth

• Meristematic Phase

• Elongation Phase

• Maturation Phase

Growth Rates

• Geometric growth rate

• Arthematic growth rate

Measure growth – 

• Absolute growth

• Relative growth rate

Conditions for growth rate

Differentiation

Dedifferentiation

Redifferentiation

Development

Plant Growth Regulator

• Auxin

• Gibberellin

• Cytokinin

• Abscisic acid

• Ethylene