394 



The Spraying of Plants. 



Non-poisonous potato-bug destroyer, 

 analysis of, 118. 



Normal Bordeaux mixture, 108, 130. 



Nova Scotia, spraying in, 113. 



Nozzle, Acme, 204 ; automatic cleaning, 

 200 ; Bailey, 200 ; Ball, 202 ; Barnard, 

 203; Bean's Cyclone, 204; Bordeaux, 

 199, 210 ; Boss, 199 ; Calla, 202 ; Climax, 

 201 ; Diffuser, 201 ; Eureka, 199 ; Fan- 

 tail, 199 ; Gem, 199 ; Ideal, 222 ; Lewis, 

 201; Lilly, 202; Lowell, 199; Mar- 

 seilles, 204 ; Masson, 199 ; McGowen, 

 200, 202 ; Myers, 204 ; New Bean, 199 ; 

 Peerless, 199; Itiley, 203, 204; Ver- 

 morel, 204; with lance, 204; Vigour- 

 oux, 201 ; "Wellhouse, 200, 210. 



Nozzles, cyclone, 202, 203 ; eddy chamber, 

 202, 203, 210; graduating spray, 198, 

 199 ; history of, 197-204 ; principles of 

 construction, 198 ; sprays produced by, 

 222, 224. 



Nursery stock, treatment of, 104, 111. 



Nux vomica, 15. 



Oat loose smut, 315-319 ; plants affected 

 by copper salts, 237 ; rust, 319 ; smut 

 and potassium sulphide, 318. 



Obera Mmaculata, 357. 



Ocneria dispar, 291. 



Oidium eryttiphoides, 372 ; Tuckeri, 

 53. 



Oil and alkali wash, 161 ; fish, use of, 166- 

 169 ; petroleum, 5 ; train, 7, 9 ; whale, 7. 



Oils, 5, 52, 161. 



Oleo-sulphide of carbon, 52. 



Oliver, P., quoted, 21. 



Onion, enemies and diseases, 319, 320 ; 

 maggot, 320 ; mildew, 319 ; rust, 319 ; 

 smut, 319. 



Oospora scabies, 265, 350. 



Orange, California spider, 321 ; enemies 

 and diseases, 320-324; Glover's scale, 

 322 ; leaf mite, 321 ; notcher, 321 ; scab, 

 treatment, 97; spot, 321; long scale, 

 322 ; mealy-wing, 321 ; mite, 321 ; 

 oyster-shell scale, 322 ; red spider, 321 ; 

 spotted mite, 321 ; rust-mite, 322 ; 

 raspberry, 355 ; San Jose scale, 323 ; 

 scab, 320 ; spider, 321 ; trees, treat- 

 ment of, 150. 



Orchards, old, spraying of, 218-220 ; 

 sprayed and stock, 233. 234. 



Oregon wash, 162. 



Orgyia, sp., 313. 



Oriental fertilizer and bug destroyer, 



analysis of, 118. 



Origin of Bordeaux mixture, 24. 

 Orthotylus delicatus, 312. 

 Osborn, H., and plum curculio, 70. 

 Otto, E., quoted, 235. 

 Oxalic acid, 50. 

 Oyster-shell bark-louse, on apple, 258; 



scale, 322. 



Pcvcilocapsus Mneatus, 287. 



Paleaerita vernata, 275. 



Pansy, mildew, 324 ; rust, 324. 



Papilio Asterias, 324. 



Paraffine, 56, 162. 



Parasitic fungi, 229, 230. 



Paris green, action on foliage, 122 ; soil, 

 236; analysis of, 118; and ammoniacal 

 copper carbonate, 106; copper sul- 

 phate, 105 ; glue, 147 ; lime, 122 ; as a 

 fungicide, 98, 122 ; composition, 120 ; 

 early methods of application, 61 ; first 

 use for canker-worm, 62 ; codlin-moth, 

 62: for cotton-worm, 61 ; plum curcu- 

 lio, 69-74; potato beetle, 60, 185; 

 kerosene, and Bordeaux mixture, 136 ; 

 law for spraying with, 376 ; manner of 

 use, 123; patent preparations of, 60; 

 properties, 120 ; upon fruit, 231. 



Paris purple, 74 ; composition, 125 ; use 

 of, 125. 



Parkinson, John, quoted, 4. 



Parsley -worm, 324, 325. 



Parsnip, Aveb-worm, 325. 



Pasturing stock in sprayed orchards, 233, 

 234. 



Patent insecticides, 60, 61, 162. 



Patrigeon, G., quoted, 36, 45, 46. 



Pea-bug, 326; mildew, 325; rust, 326; 

 weevil, 326. 



Peas, affected by copper salts, 235. 



Peach, black aphis, 332 ; spot, 327 ; borers, 

 332 ; brown rot, 82S ; curl, treatment, 

 47, 329; enemies and diseases, 327- 

 332 ; Trenching, 329 ; fruit rot, 328 ; 

 leaf curl, 329 ; rust, 331 ; mildew, treat- 

 ment, 10, 15, 332; rosette, 882; twig 

 blight, 328 ; yellows, 332. 



Pear blight, experiments on, 97 ; borers, 

 248, 335; bud-moth, 248, 335; cigar- 

 case-bearer, 251, 335; codlin-moth, 252, 

 835; curculio, 255, 335; early treat- 



