428 



Index 



Sorauer, P., 244, 248, 302 

 Sorrel, 30 

 Sow bugs, 377 

 Spaulding, P., 24X> 

 Sphaerella caladii, 214 



gardeniae, 260 



pinodes, 168 

 Spherodithis neo luashingtomae, 



310 

 Spinach, 30, 67, 177 



anthracnose, 179 



cultural considerations, 177 



diseases of, 177 



downy mildew, 178 



malnutrition, 177 

 Sporonema, 254 



obturatum, 254 

 Sporotrickum anthrophilum, 

 228 



poae, 228 

 Spraying, 381 

 Spraying machines, 408 



principles involved, 407 

 Steam rake method, 36 

 Stemphylium ericoctonum, 254 

 Stevens, F. L., 241, 320 

 Stibella bulbicola, 305 

 Stickers, 406 

 Stomach poisons, 382 

 Stone, G. E., 53, 97, 105, 134. 



312 

 Stone, R. E., 183, 169 

 Stoneman, B., 310 

 Stout, A. B., 348 

 Striped cucumber beetle, 102 

 Stewart, F. C, 204, 213, 225, 



228, 328 

 Stewart, V. B., 332 

 Stuart, W., 5 

 Sturgis, W. C, 232 

 Subirrigation, 83 



effect on crops, 84 

 Suffocation, 83 

 Sulphur, 384, 404 



changes of, 14 

 Sunburn, 94 

 Sweet pea, 334 



anthracnose, 343 



bud rot, 338 



Chaetomium root rot, 344 



Sweet pea, collar rot, 340 



cultural considerations, 334 



diseases of, 334 



downy mildew, 339 



Fusarium wilt, 344 



malnutrition, 335 



mosaic, 338 



physiological troubles, 334 



powdery mildew, 341 



root knot, 347 



root rot, 346 



spot disease, 342 



stem rot, 340 



streak, 338 



Thielavia root rot, 341 



wilt, 22 

 Swingle,' D. B., 404 

 Syringa vulgaris, 27s 



Taft, L. R., 84 

 Tarsonemus pallidus, 366 

 Taubenhaus, J. J., 103, 305, 334 

 Temperature, relation to green- 

 house, 74 

 Tetranychus, bimaculatus, 365 

 Thielavia basicola, 167, 341, 



345 

 Thrips, 369 

 Tile method, 37 

 Tobacco, 383 



decoction, 383 

 Tolaas, A. S., 162 

 Tomato, 180 



anthracnose, 191 



black mold, 194 



black rot, 193 



blossom end rot, 183 



broom rape, 195 



buck eye rot, 188 



cultural considerations, 180 



damping off, t86 



fruit rot, 189 



hollow stem, 181 



injured by fumigation, 199 



late blight, 186 



leaf mold, 192 



leaf spot, 189, 190 



mosaic, 183 



Rhizoctonia fruit rot, 195 



root knot, 195 



