GeneralTHE AUXINS, THE GIBBERELLINS, THE CYTOKININS, TRANSPORT OF PLANT GROQTH REGULATORS, APICAL DOMINANCE, GEOTROPISM, PHOTOTROPISM, NASTIC RESPONSES, THE MOVEMENTS OF STOMATA, PHOTOSYNTHESIS, TRANSLOCATION OF NUTRIENTS, THE WATER RELATIONS OF PLANTS, THE LONIC RELATIONS OF PLANTS, PHYTOCHROME, PHOTOMORPHYGENSIS, GERMINATION AND DORMANCY, CIRCADIAN THYTHMS IN PLANT.