458 
Plum, Armillaria root-rot, 385. 
bacterial-crack, 367. 
bacterial-gall, 385. 
bacterial-gummosis, 365. 
bacterial leaf-spot, 367. 
bacteriosis, see black-spot, 367. 
black-knot, 356. 
black-spot, 367. 
bladders, 373. 
blossom-blight, 355. 
brown-rot, 354. 
crown-gall, 385. 
die-back, 365. 
die-back canker, 365. 
diseases, 354. 
fire-blight, 386. 
frost-injury, 365. 
gum-flow, 365. 
gummosis, 365. 
leaf-blight, 363. 
leaf-curl, 375. 
leaf-curl, see plum-pockets, 373 
leaf-rust, 187, 377. 
leaf-spot, 363. 
mold, 355. 
pockets, 373. 
powdery-mildew, 385. 
root-gall, 385. 
rosette, 384. 
Tust, 377. 
scab, 383. 
shot-hole, 363, 367. 
silver-blight, 368, 369. 
silver-disease, 368, 369. 
silver-leaf, 368. 
sun-scald, 365. 
twig-blight, 355, 386. 
twig-canker, see black-spot, 367. 
wart, 356. 
wilt, 380. 
winter-injury, 365. 
yellow-leaf, 363. 
yellows, 384. 
Pockets, plum, 373. 
Podosphera leucotricha, 113, 115. 
Oxyacanthe, 115, 177, 178, 318, 
385. 
pomi, Cylindrosporium, 87, 393. 
Leptothyrium, 104, 107. 
Phoma, 87, 89, 393. 
Powdery-mildew, apple, 113. 
INDEX 
chegry, 177. 
currant, 220. 
gooseberry, 222. 
grape, 242. 
peach, 314. 
plum, 385. 
strawberry, 425. 
Pringsheimiana, Puccinia, 227. 
Prune, diseases, see plum, 354. 
fire-blight, 386. 
root-rot, 385. 
rust, 187, 377. 
Pruni, Bacterium, 158, 305, 306, 309, 
367, 381, 382. 
Exoascus, 373, 375. 
Pruni-spinose, Puccinia, 156, 187, 319, 
377, 378. 
Prunophore, Coccomyces, 363. 
Pseudocommis Vitis, 266. 
Pseudomonas, see also Bacterium. 
Pseudomonas Cerasus, 181, 365. 
Pseudopeziza Ribis, 84, 206, 208. 
Puccinia Pringsheimiana, 227. 
Pruni-spinose, 156, 187, 319, 377, 
378. 
purpureum, Stereum, 158, 221, 320, 368, 
371. 
Pustular spot, peach, 311. 
Pyrata, Restelia, 86. 
Pyricola, Septoria, 339. 
Pyrina, Venturia, 332, 334. 
Q 
Quince, bitter-rot, 395. 
black-rot, 394. 
black-rot canker, 394. 
black-spot, 388. 
blossom-blight, 388. 
blotch, 393. 
brown-rot, 396. 
crown-gall, 396. 
diseases, 387. 
fire-blight, 387. 
fruit-spot, 388, 393. 
leaf-blight, 388. 
leaf-spot, 394. 
ripe-rot, 395. 
Tust, 390. 
scald, 388. 
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