Subject Index 



847 



Phaseolns vulgaris = bean, 274 

 growth regulation 

 by coumarin, 737 

 GA, epicotyl elongation, 506, 509 

 interaction with visible radiation, 



551 

 tissue culture, 611 

 peroxidases in dwarf, 616 

 transport in auxin, 401, 402 

 9,10-Phenanthroline, 369 

 Phenol as cofactor in oxidation of lAA, 



151 

 Phenolase activity, 744 



Phenolic cofactor = RoH, 149. 155, 161 

 Phenolic radical (semiquinol), 149 

 Phenols as antioxidants, 344 

 Phenothiazine as antioxidant, 344 

 Phenoxyacetic acid = POA, 220, 242 

 2,4-D, effect on Gossypium, 241 

 lAA, comparison of activity, 433 

 mitochondrial enzymes, effect on, 295, 



296 

 para-substituents, effect of, 226 

 stimulation latex flow, 810 

 substituted 



absorption spectra, 295 

 biological activity, 295 

 disubstituted derivatives, activity of, 



438 

 and molar activity, 291 

 and ultraviolet absorption, 294 

 uptake by Avena and Gossijpiinn, 242 

 water solubility, 295 

 a-(Phenoxy)-n-butyric acid = POB, 219 

 a-(Phenoxy)-n-caproic acid = POC, 219 

 Phenoxy compounds, 219 

 a-(Phenoxy)isobutyric acid ^ POib, 219 

 a-( Phenoxy )isovaleric acid = POiV, 219 

 a- (Phenoxy) propionic acid = POP, 219 

 a-(Phenoxy)-7i-valeric acid = POV, 219 

 Phenoxyalkylcarboxylic acids, 804 

 Phenylacetaldehyde, 146 

 Phenylacetic acids 



deactivation by methyl and methoxy 



groups, 435 

 model, 452 



order of activity of substituents, 435 

 L-phenylalanine interaction with lAA, 605 

 Phenylcarboxylic acids, 804 

 Phenylethylamines as antioxidants, 345 

 Phenyl indole as antioxidant, 345 

 2-Phenylindole-3-acetic acid, 211 

 Phenyl pyrrole, 345 

 Phenylthioglycolic acids, 435 

 3-Phosphoglyceric acid and lAA interac- 

 tion, 649 

 Phosphorus content in Lactuca seed dur- 

 ing germination, 743 

 Phosphoryl oxidative uncoupler of cou- 



marol and dicoumarol, 742 

 Photooxidation of chlorophyll, 527, 528 

 Phototropism inhibitors, 455 

 Phycomyces blakesleeanus, 18 

 Phytin in Lactuca seeds, 742 

 Phytol, 61 

 Phytophthora, 777 

 Pi-electron distribution for benzoic acid 



derivatives, 249 

 Pigment content of plants, 525 

 Pineapple, flowering induction, 803, 804, 



805, 806 

 Pisum = pea 



auxin content, 46, 48, 49, 50 



growth regulation, 43, 44, 50, 51, 52, 



243, 679 

 heat coagulability of cytoplasm, 355 

 interaction on growth 



AA, effect on internode sections, 726. 

 727 



AA and DHA, 731 

 GA and 



lAA, 590, 592, 593, 645 



on apical tissues, 632, 633 

 red radiation, effect, 549 

 reverse inhibition stem growth, 

 551 

 lAA oxidase, 632, 633 

 light, 632, 633 

 glyceride and auxin, 420, 421 

 method of use, 628 

 stem sections 



etiolated, 612, 613 

 GAi and lAA, 602 

 green. 613, 614, 615, 616 

 growth stimulants, 74 

 NAA, 804, 805 

 synergism of auxin and GA, 611, 616 

 Plant age, ethylene-C'* fixation influenced 



by, 757 

 Plant extracts, indole-3-acetaldehyde, 43 

 Plant growth 

 hormones, 95 

 regulants, 3,4 



regulation, expanding concepts, 13 

 Plant regulating molecule, design of, 6 

 Plant regulation, need for, 8 

 Plasma viscosity, effect of AA on, 727 

 Plastic mechanism of cell growth, 382 

 Plasticity of 

 cell wall 



definition, 546 



GA required for maintenance, 551 

 of Pisum, 546 



visible radiation, effect of, 545 

 growing plant, 3 

 Plant tissue culture, growth regulation by 



GA, 678, 679 

 Plum 



extract, 131, 132, 133, 134 

 inhibitor, 134, 135 

 shoots, extract preparation, 128 

 PMe = methyl /3(indole-3-) propionate 

 PNH2 = ;8-(indole-3-)propionamide 

 ps^O , uptake by barley seedling roots, 



798, 799, 800 

 POA = phenoxyacetic acid 

 POB = a- (phenoxy )-n-butyric acid 



POB (±), 220 



POC = a- (phenoxy )-ri-caproic acid 



POC (±), 220 



pOib = a- ( phenoxy )isobutyric acid 



POiB, 220 



pOiV = a-(phenoxy)isovaleric acid 



Polar 



group of auxin, 453, 454, 459 



transport of auxins, 411 

 Polarity in development and regeneration, 



397 

 Polarity of uptake, 279, 281, 282 

 Polypodium aureum, 710 

 POP = a- (phenoxy )propionic acid 



POP (±), 220 

 Portulaca oleracea, 678 

 Potassium 



as growth promoter, 365 



ion concentration, 313 

 Potato = Solanum tuberosum 

 POV = a- (phenoxy )-?i-valeric acid 



POV (±), 220 



Power of movement in plants (Charles 

 Darwin), 13, 14 



L-proline, 605 



( 2,3-n-Propylene )trimethylammonium bro- 

 mide = TMA.PBr preparation, 779 

 Protonating hydrogen peroxide, 213 

 Protonation of indole, 212, 213 

 Prunus serrulata, 329 

 Pteridine as antioxidant, 345 



