xii CONTENTS 



PAGE 



European currant-rust ..... 227 



Cluster-cup rust 227 



Armillaria root-rot -228 



CHAPTER IX 



GRAPE DISEASES 229 



Black-rot 230 



Downy-mildew 237 



Powdery-mildew 242 



Anthracnose 249 



Crown-gall 253 



Dead-arm 254 



White-rot 260 



Shelling 262 



Ripe-rot 264 



Brunissure - 266 



California vine-disease 267 



CHAPTER X 



PEACH DISEASES 269 



Brown-rot 270 



Leaf-curl 277 



Yellows 283 



Little-peach .289 



Rosette . . 292 



Scab 294 



Crown-gall .298 



Frost-injury : 299 



Die-back . . . . .300 



Gummosis 303 



Black-spot 306 



Coryneum-blight 311 



Powdery-mildew 314 



Armillaria root-rot 319 



Clitocy be root-rot 319 



Rust 319 



Silver-leaf 320 



Frosty-mildew 320 



Stem-canker . ,321 



