Index 



393 



Phoma subcircinata, 268. 

 Phomosis vexans, 301. 

 Phosphates, changes of, 15. 

 Phyllosticta apii, 355. 



batatas, 164. 



chenopodii, 133, 134. 



cucurbitacearum, 224. 



Physiological diseases, 80 et seq. 

 Phythium de Baryanum, 42, 44, 



193- 



attacking beet, 122. 



Phytophthora cactorum, 108. 



infestans, late blight of 



Irish potato, 322. 

 late blight of tomato, 



343- 



phaseoh, 267. 



terrestria, 344. 



Pisum sativum, 273. 

 Plasmopora Halstedii, 138, 148. 

 Plenodomus destruens, 159. 

 Points to remember, 366. 

 Pool Venus, 127. 

 Poor seed, 92, 97. 

 Potassium, changes of, 15. 



sulphide of, 369. 



Potato diseases, 306 et seq. 



Anthracnose, 324. 



Arsenical injury, 313. 



Black heart, 311. 



Black leg, 316. 



Black rot or jelly end rot, 



329- 



Black wart, 319. 

 Common scab, 317. 

 Curly dwarf, 309. 

 Early blight, 322. 

 Fusarium wilt, 327. 

 Hollow heart, 312. 

 Internal brown spotting, 



310. 



Late blight, 322. 

 Leaf roll, 308. 

 Melters or leak, 321. 

 Mosaic, 312. 

 Net necrosis, 311. 

 Phoma rot, 324. 

 Powdery dry rot, 330. 

 Powdery scab, 314. 

 Pox or pit, 313. 



Root knot, 332. 

 Rosette, 331. 

 Silver scurf, 326. 

 Southern blight, 332. 

 Southern wilt, 317. 

 Spindling sprout, 310. 

 Stem end rot, 329. 

 Tip burn, 312. 



- diseases, field control, 335. 

 -- storage rots control, 333. 

 Predacious insects, beneficial, 



375- 



Pseudomonas beticola, 120. 

 -- campestris, 190, 191, 205. 

 -- attacking radish, 208. 

 --- attacking turnip, 214. 



- fluorescens, 103, 104. 



- lachrymans, 229. 

 -- maculicola, 202, 203. 



- pisi, 273. 



-- radicicola, 18 et seq. 

 -- solanacearum, attacking to- 

 mato, 342. 



- Stewarti, 251. 



- tumefaciens, attacking beets, 

 118. 



- viridilividum, 140. 

 Pseudoperonospora cubensis, 230. 

 Puccinia alii, 289. 



- asparagi, 280. 



- helwnthi, 149. 

 -- attacking Jerusalem 



artichoke, 138. 



- tragopogoni, 148. 

 Purslane diseases, 299. 

 Pycnidium, 12. 



Radish diseases, 208 et seq. 



Black rot, 208. 



Club root, 208. 



Damping off, 209. 



Downy mildew, 211. 



Root knot, 214. 



Root rot, 214. 



Scab, 209. 



White rust, 211. 

 Rainstorms, 73. 



