886 



The Spraying of Plants. 



Arsenate of lead, 120 ; experiments with, 

 77 ; preparation of, 77 ; soda, 120 ; soda, 

 experiments witli, 77. 



Arsenic, 117; compared with arsenites, 

 76 ; early use of, 56, 75 ; effect of, on 

 vegetation, 120 ; trioxide, 117. 



Arsenicals and resin compounds, 136, 169. 



Arsenious acid, 117 ; anhydride, 117. 



Arsenite of, copper, 120 ; lime, 128 ; prep- 

 aration of, 77, 119. 



Arsenites and ammoniacal copper car- 

 bonate, 136, 140 ; glue, 147 ; kerosene 

 emulsion, 155; lime, 76, 77, 105; plum 

 curculio. 68-74 ; soap, preparation of, 

 170 ; comparison of, 76 ; danger of 

 their use, 231 ; in England, 66 ; France, 

 53 ; soil, 236. 



Artipus Floridanus, 321. 



Ashes, 6, 8. 



Asparagus beetle, 260. 



Aspidiotus perniciosus, 323. 



Aster, leaf rust, 260. 



Atkinson, G. F., mentioned, 277 ; quoted, 

 271-273. 



Audoynaud, quoted, 30. 



Australasia, spraying in, 57. 



Automatic cleaning nozzle, 200. 



Bacterial blight, potato, 349; disease of 



pear, 334. 

 Bailey, L. H., mentioned, 199; quoted, 



111,236,251,355,363. 

 Bailey nozzle, 200. 

 Ball nozzle, 202. 

 Bairn of Gilead, leaf rust, 261. 

 Balsam of fir and kerosene emulsion, 156. 

 Barley, affected by copper salts, 237 ; dis- 

 eases, 261 ; rust, 319. 

 Barnard nozzle, 203. 

 Barnard, W. S., mentioned, 202, 203; 



suggested kerosene emulsion, 82. 

 Baron, Le, quoted, 61, 62. 

 Barrel machine, 191 ; pumps, 209-220. 

 Barry, P., quoted, 13. 

 Beach, S. A., quoted, 263. 

 Bean, anthracnose, 261-263 ; enemies and 



diseases, 261-263; lima, blight, 264; 



new, nozzle, 199 ; pod rust, 261-263 ; 



rust, 263 ; weevil, 263. 

 Beans, affected by copper salts, 235, 237. 

 Bean-Chamberlin M'fg Co., mentioned, 



192. 

 Bean's cyclone nozzle, 204. 



Beaume, scale of, 116, 117. 



Beaune, treatment of, 24, 29. 



Bees, poisoning by sprays, law regard- 

 ing, 376. 



Beet, diseases, 264, 265 ; leaf spot, 264 ; 

 root rot, 264; rust, 265; treatment, 

 101 ; scab, 265. 



Belknap Co., mentioned, 199. 



Bellows, 204, 205; for atomizing liquids, 

 186. 



Bencker, G., quoted, 44. 



Benzine, 125 ; emulsion (Italian), 145. 



Berrichone mixture, tested, 48. 



Bessey, C. E., quoted, 65-67. 



B. F. J., quoted, 98. 



Bidault, quoted, 24. 



Bird's-eye rot, grape, 294-296. 



Bisulphide of carbon, 52, 134 ; emulsion 

 (Italian), 145 ; injector, 135. 



Bitter rot, apple, 240 ; grape, 305; gourd, 

 5. 



Black aphis, peach, 332. 



Blackberry, 266 ; see also Kaspberry ; 

 anthracnose, 101. 



Blackhead, cranberry, 280. 



Black knot, and kerosene, 106; cherry, 

 275: plum, 340; treatment of, 111, 

 112. 



1 Black-lined plant-bug, 287. 

 i Black rot, apple, 241 ; grape, 297-300 ; 

 early treatment of, 89 ; in France, 39 ; 

 quince, 353 ; sweet potato, 368 ; spot, 

 peach, 327 ; rose, 858. 



Blight, bacterial, of potato, 349 ; carna- 

 tion, 273 ; celery, 274 ; early, of potato, 

 345; fire, pear, 334; leaf, plum, 339; 

 quince, 353 ; lima bean, 264 ; twig, 

 peach, 328; potato, 347; powder, 174; 

 privet, 352 ; quince, 334, 353 ; tomato, 

 370. 



Blue stone, 142 ; vitriol, 142. 



Bones, burnt, 6. 



Borate of soda ; see Sodium borate. 



Borax, 125. 



Bordeaux' mixture, agitation of, 132 ; and 

 amount of lime required, 128 ; air- 

 slaked lime, 30 ; ammonium sulphate, 

 48; carbonic acid gas, 127; ferrocy- 

 anide of potassium, 128, 129 ; glue, 

 28, 44, 48 ; kerosene, 136 ; kerosene 

 emulsion, 156 ; London purple, 105 ; 

 molasses, 43, 131, 183 ; potassium fer- 

 rocyanide, 46; resin washes, 136; as 



