CONTENTS XI 



PAGE 



Powdery-mildew 177 



Black-knot 180 



Frost-injury 180 



Die-back 180 



Bacterial-giimmosis . . . 181 



Crown-gall 187 



Armillaria root-rot 187 



Leaf-rust 187 



Witches '-broom 188 



Fire-blight ' .... 191 



Scab . 191 



CHAPTER VI 



CRANBERRY DISEASES . . . 192 



Scald 192 



Gall 196 



Hypertrophy 198 



Frost-injury ........... 200 



Rot . . . ' .201 



Anthracnose 202 



CHAPTER VII 



CURRANT DISEASES 203 



Mycosphaerella leaf-spot 203 



Anthracnose 206 



Cane-blight . . . -209 



European rust 212 



Angular leaf-spot . . .219 



American powdery -mildew . . . . 220 



Armillaria root-rot 221 



Fomes root-rot . 221 



Silver-leaf 221 



CHAPTER VIII 



GOOSEBERRY DISEASES 222 



American powdery -mildew 222 



Leaf-spot .. . . 226 



