chapter five 



chapter six 



chapter seven 



chapter eight 



Contents • xi 



► Floral Hormones and the Induced State 67 



DEFINITIONS AND BACKGROUND! AUXINS AS 



PLANT HORMONES 67 



PRELIMINARY EVIDENCE FOR THE EXISTENCE 



OF FLOWERING HORMONES 69 



TRANSLOCATION OF FLOWERING HORMONES 72 



TRANSLOCATION RATE 77 



FLOWER PROMOTION OR FLOWER INHIBITION? 



THE SPECIFICITY OF FLOWERING STIMULI 78 



VERNALIN AND METAPLASIN 82 



PERMANENCE AND LOCATION OF THE 



INDUCED STATE 83 



THE BIOCHEMISTRY OF INDUCTION 88 



CONCLUDING REMARKS 94 



► Chemical Control of Flowering 99 



THE GIBBERELLINS 100 



AUXINS, AUXIN ANTAGONISTS, AND OTHER 



GROWTH REGULATORS 106 



PLANT EXTRACTS OF VARIOUS KINDS 109 



MINERAL NUTRITION; MAJOR ELEMENTS 1 1 1 



HEAVY METALS AND FLOWERING 113 



► Age and Flowering 



AGE AND FLOWERING IN HERBACEOUS 



PLANTS 117 



FLOWERING IN WOODY PLANTS 120 



► A Miscellany 127 



ANTHESIS 127 



THE SEX EXPRESSION OF FLOWERS 1 30 



GENETICS OF FLOWERING RESPONSES 134 



FLOWERING AND DEATH 136 



PROSPECTS 137 



116 



Bibliography 



Index of Plant Names 



Subject Index 



141 

 159 

 161 



