230 



THE FLOWERING PROCESS 



Climate changes 43 



Clocks 126, 148-51, resetting 99, 117, 



139, 141-2 

 Clouds 30-4 

 Cobaltousion 116-7, 139, 141-3, 151, 



168, 171, 173, 175-7 

 Coenzyme-fl 110 

 Coleoptile 129 

 Colchicine 150 

 Color of rodents 131 

 Control of day-length 74 

 Controlled environment 189 

 Color changes, animals 128, 131 

 Colored filters 81 

 Coconut milk 57 



Combinations of response type 22 

 Complex ions with cobaltous ion 



142-3 

 Concentration in the cell 85 

 Control plants 88 

 Convergence in evolution 42 

 Cosmic rays 149 

 Critical dark period (night) 6, 7, 141, 



144-7, 175-6, 180, defined 19 

 Cuttings from trees 95 

 Cycles of growth and dormancy 96 

 Cysteine 143 

 Cytoplasm 151 



D 



Darkroom 80 



Day-length response 5-6, 11, 16, 36-9, 



44, definition 16, 39 

 Day-neutral plants 4-5, 11, 16, 22-3, 



39, 207-9 

 Days to the first visible bud 88 

 Delayed (inductive) response 17-8, 46, 



67-71 

 Deoxyribonucleic acid (DNA) 48, 198, 



202 

 Defoliation 169, 170, 184 

 Destruction, hormone 164-5, 178, 180, 



182, 187 

 Determinate form of growth 9 

 Development of the flower 87, 182, 



190, 192 

 Devemalization 54-5, 65 

 2-6-Diaminopurine sulfate 1 7 1 

 Diapause induction 28 

 Differentiation 8, 197 



2,4-Dichlorophenoxyaceticacid(2,4-D) 



172, 179 

 Diffraction grating 82 

 Diffusion boundary 154, 186 

 2,4-Dinitrophenol 99, 169-71, 173 

 Direct (non-inductive) response 17-8, 



47,67 

 Diversity 1-3, 8, 16, 42-3, 203, 205 

 Dormancy 109, 130 

 Dormant buds 194 



Earliness (bulbs) 70 



Ecdysone 152 



Ecology 1, 5, 24-45, 112-203 



EDTA 142-3 



Electrical impulse 153 



Electronic flash 114 



Elongation 58, 61-2, 67, 69, 103-4, 



109, 124-5 

 Endogenous: clock (timer) 127, 134, 



148-50, oscillator 134-6, rhythms 



applied to flowering 133 

 Energy source 93 

 Energy terms, light intensity 28 

 Entrainment 139 

 Environment 24-5 

 Enzymes 129 

 Epinasty 178 

 Ether 151 

 Ethionine 174-7 

 Ethyl carbamate 1 50 

 Evaporative cooling 72 

 Evidences for the flowering hormone 



(or stimulus) 1 52-5 

 Evolution and response type 42 

 Excised embryos 54, 56 

 Exogenous clock 148-50 

 Exposure time 30 

 Extended dark periods 134 

 Extracts, plant 47, 57, 61-2, 65, 166, 



203, phytochrome 106-8 

 Eyes, sensitivity to light 26-9, 118 



Far-red (see pigment system, phyto- 

 chrome), applied during light period 

 123, source 82 



Flowering hormone: accumulation of 

 10, action of 196-9, concept 7-8, 



