Index 



419 



Carnation, 217 

 Alternaria leaf spot, 229 

 anthracnose, 230 

 branch rot, 232 

 brown stem rot, 232 

 bud rot, 228 

 cohesion of petals, 222 

 cultural considerations, 217 

 damping off, 231 

 die back, 232 

 fertilizer, 4 

 leaf mold, 229 

 malnutrition, 220 

 powdery mildew, 227 

 root knot, 234 

 root rot, 233 

 rust, 224 



rust parasite on, 226 

 Septoria leaf spot, 226 

 sleep, 219 



splitting of blossoms, 221 



stigmonose, 223 



white tip, 219 



yellows, 221 

 Carrots, 30, 120 



cultural considerations, 120 



diseases of, 120 



root rot, 120 



soft rot, 120 

 Carum pertroselinum, 166 

 Cauliflower, 30, 67, 120 



bacterial leaf rot, 123 



black mold, 129 



black rot, 124 



club root, 122 



cultural considerations, I20 



damping off, 127 



diseases of, 122 



downy mildew, 127 



drop, 128 



ring rot, 128 



root knot, 129 



soft rot, 126 

 Celery, 30, 129 



cultural considerations, 129 



diseases of, 130 



early blight, 131 



late blight, 130 



soft rot, 130 

 Cellulose, 12 



Ceratophorum setosum, 260 

 Cercospora angreci, 304 

 apii, 131 



beticola, 117, 118 



caladii, 214 



capsisi, 171 



cheirantht, 362 



lactuae, 153 



resedae, 287 



richardiaecola, 282 



rosicola, 330 



violae, 311, 361 

 Chaetomium spirochaete, 344 

 Charles, V. K., 249 

 Cheiranthus cheiri, 362 

 Chittenden, J. T., 205 

 Chlorosis, 98 



control of, 99 

 Chrysanthemum, 235 



black speck, 236 



blight, 242 



blossom rot, 239 



cultural considerations, 235 



crown gall, 236 



diseases of, 236 



ligule rot, 239 



Phyllosticta leaf spot, 240 



powdery mildew, 243 



ray blight, 241 



rust, 237 



Septoria leaf spot, 241 

 Cineraria cruenta, 243 

 Cladochytrium <violae, 352 

 Cladosporium fulvum, 192 



macro car pum, 179 

 Clematis, 244 



anthracnose, 244 



cultural considerations of, 



244 



diseases of, 244 



leaf spot, 244 

 Clinton, G. P., 26, 219, 256, 321 

 Codiaeum variegatum, 246 

 Coelogyne, culture of, 291 

 Coleman, 46 



Coleosporium sonchi, 243 

 Coleus, 62, 65, 245 



broom rape, 245 



cultural considerations, 245 



damping off, 245 



