468 



PLANT PHYSIOLOGY 



G 



Garner, 422 



Gassner, 131 



Gedroitz, 253-254 



Gelatinization, 8 



Gels, 7, 11 



Geotropism, 145-150 



Germination of pollen, 437-439 



Germination of seeds, 113-114 



Gibbs' rule, 26 



Gilbert, 235 



Globulins, 54 



Glucoproteins, 54, 77 



Glucose, 44, 56-58, 64, 70 



Glucosides, 41, 59, 69 



Glutathione, 108 



Glutelins, 54 



Grafting, 403-407 



Grand period of growth, 121 



Gravitational water in soil, 288 



Green manure, 236 



Growth, of cells, 112-118 



of cereal stem, 143-146 



and development, 409 

 Growth hormone, 124-127 

 Growth movements, 143-145 

 Gurvitch, 89, 128 

 Guttation, 284 



H 



Haberlandt, 127, 129 



Hales, 320 



Halophytes, 378-381 



Harden, 99 



Hardening, against drought, 365 



of winter plants, 355-358 

 Hardy's rule, 7 

 Harvey, 198, 357-355 

 Hauer, 373 

 Haworth, 39 



Heat resistance of plants, 365-366 

 Hellriegel, 231 

 Hemin enzymes, Warburg's, 105 

 Heterotrophic plants, 223 

 High temperature, influence on 



plants, 361-363 

 Hill-Croft, 64 



Hoagland, 30 

 Hopkins, 108 

 Hormones, 124-127, 403 

 Hydration, 5-28 

 Hydrature, 136 

 Hydrogen acceptors, 102 

 Hydrogen bacteria, 181 

 Hydrogen-ion concentration, influ' 

 ence on plants, 257, 268-271, 

 352 

 Hydrogen-ion exponent, 269 

 Hydrolase, 68 

 Hydrolysis, of fats, 47, 59 



of proteins, 50-52, 55 



of starch, 44, 56-59, 78 

 Hydrophytes, 366 

 Hydrosols, 5, 7, 10 

 Hydrotropism, 157 

 Hygroscopic water in soil, 288 



Ice crust, 359 



Iljin, 306 



Imbibition water in soil, 288 



Immunity, 385-386 



Impermeability of protoplasm, 16- 



17 

 Infiltration, 307 

 Ingen-Housz, 175 

 Intensity, respiration, 94 



transpiration, 300 

 Inversion, 41, 58 

 Invertase, 58-59, 63 

 Iron bacteria, 184 

 Irrigation, 374 

 Isoelectric point, 6 

 Ivanov, 71, 99 



JODIDI, 59 



Johannson, 456 



K 



Karrer, 53 

 Keilin, 109 



