348 



Index 



Glycols, polyalkylene, 139, 286 



Goldenrod, 66 



Graftage, 254 



Grain abnormalities, 290 



Grape, 109, 246, 252, 298 



fruit size, 294 



hastened maturity, 296 

 Grapefruit, 246, 252 

 Gravity, 99 

 Growth, 94, 114 



and respiration, 127, 182 



formation of auxin, 60 



fruit, 126 

 Growth hormones, 4, 68, 116, 304 



parthenocarpy role, 215 

 Growth rate, 37, 295 



auxin correlation, 64 



fruit, 294 

 Growth regulator, 5, 152 

 Guillotine, 35, 36 

 Guttation, 21 



Hardiness, told, 240 



Heat, destruction of auxin, 92 



releases inhibitors, 16 

 Heat resistance, 300 

 Hemi-auxins, 152, 163 

 Herbicides, 11, 274 



effective compounds, 282 



environmental effects, 292 



factors in effectiveness, 277, 290, 292 



lactones, 276 



metabolic effects, 275, 276 



mixtures, 289 



non-auxin, 292 



pre-emergence, 195, 289 



rates of application, 287 



soil applications, 289 



solvents for, 286 

 Hcteroauxin, 5 

 Hibiscus, 205 

 High-energy bonds, 67, 129, 181, 276, 



298 

 Hirschfelder models, 160 

 Hoary pepperwort, 147 

 Holly, 221, 303 

 Hopkins-Cole test, 50 

 Hormone, 3 



early concepts, 6 



flowering, 4, 253 



growth, 4, 116, 304 



transport, aee Movement 

 Humidity, 150, 212 

 Hydrophily, 176 

 Hypochlorite, 42 



Hyponasty, 121 



Identity of growth hormones, 68 

 Immersion, 192 

 Impatiens, 111 

 Impurities in auxins, 190 

 Inactivation of auxin, see Destruction 

 Indole, 163 

 Indoleacetamide, 80 

 Indoleacetic acid, 8, 16, 33, 57, 69 

 abscission effect, 112 

 antibiotic synergist, 300 

 destruction, 87, 193, 256 

 dissociation effects, 26 

 esters, 70, 218 

 identification of, 51, 68 

 in Rhizopus, 8 

 maleic hydrazide effect, 172 

 metabolic effect, 128, 131 

 morphological effects, 120 

 occurrence, 70 

 Indoleacetic oxidase, 89, 91, 256 

 chemicals altering, 173, 190 

 kinetics, 173 

 specificity of, 193 

 Indoleacetaldehyde, 69, 77, 79 



auxin activity, 67 

 Indoleacetonitrile, 67, 69, 71, 79, 158 

 acid sensitivity, 69 

 parthenocarpy effects, 219 

 Rf values, 51 

 Indolealdehyde, 87, 89 

 Indolebutyric acid, 33, 69, 106, 207 

 fruit size, 296 

 rooting effect, 204, 207 

 Indoleisobutyric acid, 168 

 Indolepyruvic acid, 69, 70, 77 

 Indolesulfonic acid, 69 

 Infdtration, 192 



Inhibition by auxin, 95. 100, 185, 259 

 bud, 100 



CoA reaction, 179 

 kinetics, 177 

 mechanism, 175 

 reversal of, 171 

 of micro-organisms, 299 

 Inhibitors, growth, 27, 28, 67, 153, 182 

 detection, 26, 38, 53 

 dormancy role, 102 

 in Avena test, 26 

 in oat husks, 23 

 related to respiration, 127 

 release by heating, 16 

 role in dormancy, 266 

 Inhibitors of auxin destruction, 89 

 Iirjection, 192 



