Plant Qrowth'Suhstances 



INDEX OF PRINCIPAL SUBJECTS 

 (For substances, see Tabular Index, Chapter XV) 



Abstracting journals, 22 

 Adventitious roots, 2, 26-30, 33, 60, 



79, Figs. 2, 3 

 Aerial roots, 60, Fig. i 

 Alcaptonuria, 64, 74 

 Amino-acids as nutrients, 62, 104 

 Animal physiology, 104 

 Applications (see Methods) 

 Artificial farmyard manure 



("Adco"), 9 

 Artificial silk, 57 

 Auximones, 66, 68, 93, 94, 96 

 Axillary buds {see also Lateral buds), 



56 



BiPHASic phenomenon of rooting, 

 60, 86 



toxicity, 77 



Buds, axillary, 56 



dormant, 55 



lateral, 58, 85 



terminal, 52, 53, 55, 85 



Callus-formation, 31, 35, 40, 44, 



52, S3 

 Cell-elongation, 4, 5, 7 



growth, 4, 82 



"Chemical messengers", 3, 92 



Coleoptile, 4 



Composts (manures), 66, 99 



propagating, 17-18 



Copper in water, 1 34 

 Cotyledons, excised, 82 



Decomposition (by microbes), 8, 



62-66, 98-99 

 Detoxication, 72, 76 

 Diet, 7, 71, 121 



Diphasic phenomenon of toxicity, 77 

 Dormancy, breaking of, 53-56, 85, 86 



, effect of, 40 



Dormant buds, 55 



Dry matter of treated plants, 2, 26, 33 



Dusting techniques (see Methods) 



Effectiveness of substances, re- 

 lative, 12, 112 



Elongation of cells, 4, 5, 7 



roots, 60, 78, 79 



stems, 56 



Embryos as sources of growth- 

 substance, 39, 49, 115 



Enantiomorphs, 87 



Epinasty, 25, 28, 29, 32, 33, 54 



Excised cotyledons, 82 



hypocotyls, 8i 



roots, 78, 81, 82, 115 



Experiment Station Record, zz 



Fertility of soil, 8, 9, 63-68 

 Field experiments, 46-48 

 Flowering hormone, 54, 56 

 control of, 53-55 



Grafting, 51-53 

 Greenhouse soil, 64 

 Green-manuring, 64 

 Growth, inhibition of, 77-82 



modes of, 4, 26, 104 



promotion, 2, 25, 77, 81, 96 



regulation, 2, 25, 96 



Growth Hormones in Plants, 23 



Hormones, classification, 91-96 



definition, 94, 97 



general, 3, 20 



animal, 87, 92-95 



plant, 3, 54, 93-95, "5 



"Hormonization", 49 

 Horticultural Abstracts, zz 

 "Humus", 66, 99 

 Hypocotyls, 81 

 Hyponasty, 25 



Inhibition of growth, 77, 86 

 Injections {see Methods) 

 Inorganic substances, 43-45 

 Inversion of cuttings, 41 

 Isomers, optical, 87, 114 

 spatial, 84 



Lanolin, use of (see Methods) 

 Lateral buds and shoots, 53, 56, 85 

 Leafiness of cuttings, 15, 32, 39, 41 

 Leaves, roots on, i, 29, Fig. i 

 Legumes, 64 

 nodules of, 68, 108 



Manure, farmyard, 62, 63, 64, 66, 

 67, .68, 75, 99 



artificial, 9 



Manures, organic, value of, 8-9, 60 

 Metabolic products, human, 7, 



71 seq., 121 

 Metabolism, error of, 74-75 

 Meristem, 82 

 Methods of application : 



Crystals, pure, 52 



Dusting, cuttings : charcoal, 36 



mercurial dusts, 46, 47, 



48 

 talc, 32, 42, 46 



146 



seeds, 46, 47 



