450 
Apple — Continued. 
Phytophthora-rot, 151. 
pink-rot, 117. 
powdery-mildew, 113. 
root-rot, 96, 102, 146. 
rosette, 149. 
rot, 14, 26, 91, 117, 132, 140, 143, 
151. 
rough-bark, 145. 
Tust, 63. 
scab, 3. 
Septobasidium canker, 150. 
soft-rot, 91. 
sooty-blotch, 104. 
spongy dry-rot, 132. 
spot, 87, 137. 
star-fungus, 58. 
stippen, 23. 
structure of, 27. 
sun-scald, 35. 
superficial bark-canker, 130. 
Thelephorose, 150. 
tree-canker, 45, 50. 
water-core, 120. 
Wealthy-spot, 137. 
white heart-rot, 72. 
winter-injury, 35. 
woolly-knot, 108. 
woolly-root, 108. 
Apricot, black-spot, 158. 
blight, 155. 
brown-rot, 153. 
California die-back, 157. 
collar-rot, 154. 
crown-gall, 157. 
crown-rot, 154. 
die-back, 157. 
diseases, 153. 
fire-blight, 159. 
freckle, 154. 
frost-injury, 154. 
fruit-spot, 155. 
gum-flow, 157. 
gummosis, 157. 
rot, 153. 
Tust, 156. 
scab, 154. 
shot-hole, 155. 
silver-leaf, 158. 
winter-injury, 154. 
yellows, 159. 
INDEX 
Arm-disease, grape, 254. 
Armillaria mellea, 96, 99, 166, 184, 187, 
221, 228, 319, 385, 416. 
Armillaria root-rot, apple, 96. 
blackberry, 166. 
cherry, 187. 
currant, 221. 
gooseberry, 228. 
peach, 319. 
plum, 385. 
raspberry, 416. 
Ashy leaf-spot, pear, 337. 
Asphaltum, 55. 
aurantiaca, Restelia, see Gymnosporan- 
gium clavipes, 390. 
B 
Bacillus amylovorus, 21, 23, 159, 191, 
323, 327, 386, 387. 
Bacterial-canker, peach, 308. 
canker, plum, see black-spot, 367. 
crack, plum, 367. 
gall, plum, 385. 
gummosis, cherry, 181. 
gummosis, plum, 365. 
leaf-spot, peach, 307. 
leaf-spot, plum, 367. 
Bacteriosis, plums, see black-spot, 367. 
Bacterium Cerasi, 181, 183, 184, 365. 
Pruni, 158, 305, 306, 309, 367, 381, 
382. 
Pruni, relation to plum-wilt, 381, 382, 
tumefaciens, 108, 111, 157, 160, 187, 
298, 341, 396, 398. 
Baldwin-spot, apple, 24. 
Bark-canker, pear, 340. 
superficial, apple, 130. 
Bark-disease, apple, 144. 
Beijerinckii, Coryneum, 184, 305, 311, 
313, 320. 
Bidwellit, Guignardia, 230, 234 
Bin-rot, apple, 91. 
Bird’s-eye-rot, grape, 249. 
Bitter-pit, apple, 23. 
-Bitter-rot, apple, 14. 
pear, 352. 
quince, 395. 
Blackberry, Armillaria root-rot, 166. 
blue-stem, 169. 
