268 



GROWTH HORMONES IN PLANTS 



U 



Uhrova, A., 118 

 Umrath, K., 217 



Unilateral application, of agar 

 blocks, 22, 23, 21 



of plant parts, 22, 23 

 Units of growth substance, 32-34 



AE, 33 



d-value, 29, 28 



plant unit, 32 



unit, 32 



Ficta-unit, 36 



WAE, 28, 29 

 Urine, 43, 47, 63, 67-69 

 Uyldert, I. E., 59, 60, 97, 199 



Valonia, 63 



Viburnum, 129 



Vicia, 25, 35, 59, 60, 61, 66, 75, 96, 



99, 100, 103, 118, 119, 164, 184, 



188, 192, 193, 199, 200, 203-204, 



207-208, 209 

 Vicia-nmt, 36 

 Vitamins, definition of, 2 



(See also Supplementary bibli- 

 ography) 

 Vogt, E., 87 

 Vries, H. de, 76, 197 

 Vries, M. S. de, 17 



Weimann, R., 214, 219 



Went, F. A. F. C, 77, 124 



Went, F. W., 15, 16, 19, 22, 25, 27, 

 32, 33, 34, 54. 57, 65, 72, 73, 76, 

 77, 78, 87, 88, 90, 92, 93, 104, 

 109, 124, 126, 127, 135, 144, 147, 

 152, 154-155, 156-157, 187 



Went's quantitative method, 30-32 



Wheat (see Triticum) 



White, P. R., 102 



Wiechulla, O., 166 



Weisner, J., 6, 99 



Wilcoxon, F., 53, 79, 90, 124, 128 



Wildiers, E., 103 



Wissmann, H., 202 



Witsch, H. von, 215 



Wolk, P. C. van der, 11, 139 



Wound curvatures (see Traumato- 

 tropism) 



Wound hormones, 129, 151-152, 213 



Wuchsstoffe, 3 



X radiation, 65, 66, 74 



Yanigihara, T., 64 

 Yeast, 49, 62, 63 



W 



WAE, 28, 29 

 Waller, J. C, 78, 159 

 Warner, T., 215 

 Water-culture method, 19 

 Weber, U., 175, 188, 190-191 

 Wehnelt, B., 213 



Weij, H. G. van der, 22, 23, 29,59, 

 63, 72, 73, 74, 76, 77, 104 



Zea, 3, 25, 57, 61, 97, 98, 99, 103, 129, 

 201, 203, 206, 207 



(See also Corn and Maize) 

 Zeltner, H., 123 

 Zimmerman, P. W., 15, 53, 75, 79, 



90, 123, 124, 127-128 

 Zimmermann, W., 169 

 Zollikofer, C, 57, 88, 173 

 "Zugwachstum," 6 



