Contents xv 



PAGES 



Blister-canker / • • 219-220 



Collar-rot . . 220-221 



Fire-blight . 221-222 



Apple rosette 222-223 



Baldwin-spot 223 



Animal pests of the apple 223-226 



Meadow mice 223-224 



Pine mice 224-225 



Control of mice by poisoning 225-226 



Spraying 226-235 



Cost of spraying 228-230 



Spray equipment 230-232 



Hired sprayers 232-233 



Regional spraying notes 233-235 



Dusting 235-238 



Insecticides 238-247 



For biting insects 239-241 



For sucking insects, contact sprays .... 241-246 

 Spreaders for the different insecticides . . . 246-247 



Fungicides 247-248 



CHAPTER XI 



Feuit Setting and Pollination 249-257 



Causes for the failure to set fruit 250-255 



Essentials for a good pollinizer 255-257 



CHAPTEE XII 



Pruning and Thinning 258-283 



Types of training apple trees 259-268 



Natural form 260 



Central leader system 261 



Open center, or vase-shape . . ... . . 262—264 



The double-headed type 264-265 



The modified leader tree 266-268 



General treatment of young trees 268-270 



After first season 268-269 



