SUBJECT INDEX 



891 



Germination (Continued) 



inhibitory effect of blue radiation, 

 74-79 



on Betula, 78 



on lettuce, 75 



on Nemophila, 74 

 interaction of light and tempera- 

 ture on. 91, 95 

 of Lepidiiim virginicum seed, 91, 

 95 



effect of light on, 91,95 

 of lettuce seed, 91-93, 198-205 



effect of gibberellic acid on, 

 198-205 



effect of kinetin on, 198-205 



effect of light on, 91-93, 198- 

 205 

 of Piniis virginiana, 96, 97 



effect of light on, 96, 97 

 of Piixa herteronkma, 98 



effect of light on, 98 

 photoperiodism in, 73, 74 

 threshold energy for, 457 

 Gibberellic acid, see Gibberellin 

 Gibberellin, 141, 156, 329, 330, 



341, 365-370, 384, 386, 387, 



391 

 effect on endogenous auxin level, 



238-240 

 effect on epicotyl dormancy and 



morphology in tree peony, 223 

 effect on flowering, 352, 355, 356 

 effect of flowering and induction 



oiXanthium, 360, 363 

 effect on flowering, general, 467 

 effect on germination of lettuce 



seed, 198-205 

 effect on Hyoscyamus, 114-116, 



118 

 induction of flowering, 114, 115, 



118 

 induction of stem elongation, 



114-116,118 



number of days to stem forma- 

 tion, 115, 116 

 relation to spectral regions, 

 115,116, 118 

 effect on lAA oxidase inhibitor, 



148-150 

 effect on lettuce, 123-125 



on leaf shape in spectral re- 

 gions, 123 

 on leaf shape in white light, 

 123-125 

 effect on pea internode section 

 growth, 181, 184, 185, 189, 

 190, 192-195 

 effect on photomorphogenesis, 



465 

 effect on plant growth, 355, 356 

 effect on plant metabolism, 35 1 

 effect on seed germination, 35 1 

 effect on stem elongation in long- 

 day plants, 347 

 effect on stem growth, 217-221 

 effect on woody plants, 231, 232, 



238-241 

 influence on photoperiodic induc- 

 tion in long-day plants, 343- 

 348 

 in short-day plants, 345 

 interaction with red and far-red 

 radiation, 181, 184, 185, 189, 

 190, 192, 193,195 

 GibbereUin-like substances, 357 

 effect on photoperiodic induction 

 in long-day plants, 344 

 Glass, opal 



use in spectrophotometry, 23 

 Gluconeogenesis, 828, 829 

 Gonadotropin, 740, 801 



in fish, 664 

 Gonads, 801 

 Gonyaulax 



biological clock in, 567 

 diurnal rhythms in, 567 



