424 



Index 



Mignonette, 286 



cultural considerations, 286 



diseases of, 286 



leaf spot, 287 



root rot, 287 



white rust, 286 

 Mikio Kasai, 323 

 Milliped, 377 

 Mint, 153 



cultural considerations, 153 



diseases of, 153 



rust, 154 

 Mites, 366 



Monilia prunosa, 214 

 Mosaic, 102 



cause, 102 



control, 103 



symptoms, 102 

 Moznette, G. F., 368 

 Muncie, F. W., 6 

 Muscari botryoides, 272 

 Mushroom, 159 



bacterial spot, 161 



cultural considerations, 159 



diseases of, 161 



mycogone disease, 163 

 Muskmelon, 30, 154 



anthracnose, 157 



bacterial wilt, 155 



cultural considerations, 154 



downy mildew, 156 



diseases of, 155 



leaf blight, 157 



powdery mildew, 156 



root knot, 158 



Southern blight, 158 

 Mycelium, 18 

 Mycogone perniciosa, 163 

 Mycosphaerella brassicaecola, 

 128 



citrullina, 156 

 pinodes, 342 

 rosignea, 327 



Narcissus, 287 

 bulbocodium, 287 

 bulb rot, 288 



culiunl considerations, 287 

 diseases of, 288 

 rust, 288 



Nectophora chrysanthemi co- 



leus, 372 



rosae, 372 

 Nectria bulbicola, 298 

 Nectria behnickiana, 305 



{Dialonectria) binotiana, 299 



(Dialonectria) bolbophyli, 305 



goroshankianna, 299 



(D.) phyllogena, 299 



pandani, 313 

 Nepanthes bicolarata, 306 

 Nephrolepsis exaltata, 254 

 Nicofume, 366 

 Nitrification, 13 

 Nitrobacter, 14 

 Nitrosococus, 14 

 Nitrosomonas, 14 



Odontoglossum, culture of, 292 

 Oidium chrysanthemi, 243 

 Olpidiiim bras sic ae, 127 

 Oncidii dasystelis, 297 

 Oncidium, culture of, 292 

 Ophiolbolus linosporaides, 216 

 Orchids, 290 



American anthracnose, 300 



anthracnose, 299 



bacterial leaf spot, 295 



deterioration, 294 



European anthracnose, 302 



leaf spot, 304 



petal blight, 298 



rot, 298 



rust, 296, 297 



spot disease, 293 

 Orobanche minor, 265 



ramosa, 245 

 Oscillatoria, 259 

 Overhead irrigation, 85 

 Oxalis, 306 



boiviei, 306 



cultural considerations, 306 

 Oxidus gracilis f 377 



PaliTi anthracnose, 308 



cultural considerations, 306 

 diseases of, 307 

 Exosporium leaf spot, 308 

 leaf blight, 309 

 leaf spot, 310 



