Indhx 



669 



Peach, brown rot of (Monilia jructi- 



getu), 179 f. 188 f, 222 

 Peach, gummosis of, 223, 226 

 Peach, little, disease. 223, 250 f, 304 f, 



309, 318, 364 

 Peach diseases (general), 162, 176, 188, 



257 

 Peach leaf curl. 162, 176 f, 206, 256 f 

 Peach rosette, 176 f, 188, 198, 201 f, 



222 ff, 239, 264, 318, 329, 510, 521, 



550 

 Peach yellows, 102, 150, 153 if, 174 ff, 



182, 186 ff, 198, 201, 204, 222 f, 230, 



239 f, 262 f, 277, 305, 318, 329, 364, 



510, 512, 516, 52i, 550, 552, 593 

 Peach and plum, black spot and canker 



of {Bact. pruni), 368, 387, 393, 407, 



434 

 Pear blight, see Pome fruits, fire blight 



of 

 Pear diseases (general) 130, 140, 180, 



195, 198, 245 

 Pearson, A. W. 152 

 Pecan rosette, 521, 551 

 Peck. C H. 95, 97, 113, 138 

 Peglion, V. 243, 326, 391, 399, 402, 



422, 608, 610 

 Peirce, G. J. 352, 461 

 Peklo, J. 470 (Peklov of Prague), 652 

 Pellagra, maize theory of, 487 f, 490 

 Penhallow, D. . 156 ff, 175 f, 287 

 Peninsula Hort. Soc. 162, 313 

 Pennsylvania, Univ. of, 113, 132, 522 f; 



see also under Macfarlane; Institute of 



Hygiene and Medical School, 44, 



212 f, 327, 330, 440, 454, 523 

 Pepper, W. 44 

 Peronosporaceae, 96 f, 121 ff, 139 f, 



170 f, 262, 533 

 Pettenkofer, M. von 43, A6, 81 f, 212 

 Petri, L. 397; 407, 607, 6l4 (Dr. Petri) 

 Petri, R. J. 52 

 Peyronel, B. 609 



Pfeffer, W. 105, 126, 267, 288, 459, 652 

 Pfeilfer, R. 59, 186 

 Phyto-hormones, 540 f, 565, 581 ff 

 Pierce, N. B. 171, 177 f, 181 ff, 204 ff, 



227, 232 if, 256 ff, 276, 366 

 Pierce, W. D. 517 

 Pieters, A. J. 287 

 Pine tumors, see Conifers 

 Pinoy, P. E. 605 f, 614 



PLigue, 43. 186. 217, 474 



Plant patliology, Univ. dcp'ts of, 385, 



448 f. 462 f 

 PLismoJiophora brjssicae, sec Cibbagc, 



club root of 

 " Plimmcr's bodies," 370 

 Plowrightia morbosa, see Cherry black 



knot 

 Plusi.t bras si Cite, 224 f 

 Pneumonia, see Contagious and Lobar 

 Pome fruits, fire blight of, 68 f, 87. 



103 f, 108 ff, 115 ff, 184, 194. 207 ff, 



221, 247, 258, 294, 307, 318 ff, 342 f, 



407, 432, 449 

 Popenoe. E. A. 27 f 

 Porter, H. C. 287 

 Potato, black leg of {Bacillus phyto- 



phthorus), 369, 406 f, 422, 478, 482, 



499 

 Potato, dry rot of {Fu sari urn oxyspor- 



mm), 338 f. 

 Potato, macrosporium disease of, 245 

 Potato mosaic, see Mosaic diseases of 



plants 

 Potato rots, blight, mildew, etc., early 



studies of, 65, 68, 95, 108, 121 f, 125, 



137 f, 140 f, 155, 179 f, 196, 245, 



251, 315; see also Solanaceae 

 Potato scab (Oospora scabies), 200 f, 



251 f 

 Potter, M. C. 345, 403 

 Pound, R. 274 

 Powell, J. W. 100 

 Prain, D. 546 

 Prantl, K. A. E. 136, 316 

 Prentiss, A. N. 18, 30, 103, 167 

 Prcscott, S. C. 216, 322, 394, 424 

 Prillieux, E. E. 107 ff, 385, 402 f, 422 

 Prime, F. 587 

 Pringsheim, N. 105 

 Pritchard, F. J. 448 

 Protozoan diseases, 324, 382, 548 flf 

 Prudden, T. M. 45 f, 48, 193, 213, 215, 



324, 386, 459, 506, 528 f 

 Prune rust, 237 

 Pseudomonas, 294, 320 ff, 341 if, 345, 



393, 403 

 Puerto Rico Agric. Sta., Mayaguez, 512 

 Purdue Universit)', 129, 142, 181, 296 



Quanjer, H. M. 422, 550, 629 

 Quince, diseases of, 169, 180, 245 



