350 



Index 



Mosaic, tobacco, 228, 299 

 Movement of auxin, 3, 80, 119, 246 



bioelectric effects, 84 



capillary, 144 



effect of ringing, 209 



environmental factors, 142 



free us. bound, 67 



herbicide effect, 281, 288 



in oil, 144 



in transpiration stream, 144 



in soils, 290 



molecular structure effects, 144, 146 



non-polar, 83, 84, 96, 99, 142 



nutritive effects, 143 



phenylacetic acid, 71 



polar, 81 



protoplasmic streaming, 84 



rate, 83, 145, 146 



tissues involved, 119, 144, 150, 221 

 Movement of fungicides, 299 

 Movement of herbicides, 293 

 Muck soils, 196 

 Mustard, 281, 292 



Naphthaleneacetic acid, 11, 33, 108 



apical dominance effect, 302 



differentiation effect, 103 



dormancy effect, 263 



epinasty, 121 



flowering effects, 108, 255 



fruit drop control, 244 



fruit size effect, 294 



persistence in plants, 195 



R, values, 51 



seed treatment, 261 



thinning with, 231 

 Naphthaleneacetamide, 235 

 Naphthoxyacetic acid, 45, 46 



fruit growth effect, 126, 296 



parthenocarpy effect, 218 



R, values, 51 

 Naphthyl phthalamic acid, 198, 200 

 Nectria galligerna, 299 

 Negative curvature, 29, 32, 34 

 Neroli, oil of, 71 

 Neutral auxin, 67, 203 

 Niacin, 163 



Nitrate absorption, 136 

 Nitrate uptake, 129 

 Nitro-fluorobenzoic acid, 172 

 Nitrogen mobilization, 148 



rooting effect, 204, 213 



toxicity effects, 148 

 Nitrous acid, 47 

 Nodules, 124 

 Non-reducing sugars, 205 



Nucleic acids, 132 



Nutrition, fruit drop effect, 235, 247 



rooting effect, 213 



toxicity effects, 148 



Oat, 21, 34, 63 



auxin persistence, 194 



coleoptile, 5 



herbicide damage, 277 



dormancy, 267 

 Oil, 140, 286 



movement in, 144 



of Neroli, 71 

 Okra, 221 



Olive, 234. 237, 240, 252 

 Omphalio, 113 

 Onion, 137, 268 

 Orange, 109 



fruit drop, 246, 250 



leaf abscission, 303 

 Orchard bindweed, 292 

 Orchid, 111, 215 

 Organ differentiation, 102 

 Ortho effect, 154, 166, 176 

 Osmotic growth effects, 183 

 Ovary, auxin soiuce, 243 

 Ovule abortion, 126, 303 

 Oxidative metabolism, 184 

 Oxidase, ascorbic, 130 



indoleacetic, 89, 91, 256 



polyphenol, 14, 89 

 Oxygen, destruction of auxin, 86 



P-aniinobenzoic acid, 163 

 Pantothenic acid, 163 

 Paper chromatography, see Chromatog- 

 raphy 

 Parasorbic acid, 27 

 Parthenocarpy, 9, 11, 58, 122, 215 



beans, 221 



chemicals effective in, 70, 174, 193, 218 



cucumber, 215 



disadvantages, 229 



environmental effects, 224 



fig. 11 



natural, 109, 216 



nutrients for, 217, 222, 225 



role of leaves, 217, 225 



tomato, 11, 45, 174 



vs. fruit thinning, 231 

 Pastes, lanolin, 191 

 Pea, 229 



Alaska, 31, 34, 36 



flowering, 108, 262 



growth, 37, 38 



metabolism, 38, 127 



