Plant Growth and Development

Biology · Chapter 15 · Unit 4: Plant Physiology

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Seed germination: hypogeal, epigeal and viviparous, with examples
Phases of growth in meristems; growth rate; measuring growth directly and with an auxanometer; factors affecting growth
Differentiation, dedifferentiation and redifferentiation; sequence of developmental processes
Plant growth regulators: discovery and four physiological effects each of auxins, gibberellins, cytokinins, ethylene and abscisic acid
Agricultural and horticultural applications of growth regulators