CONTENTS. 



Page. 



The apple industry iu New Hampslure 11 



Why spray? 14 



Spraying controls both insects and diseases 16 



The codling moth 16 



How the winter is passed 18 



The transformation 19 



The moth 20 



The egg 21 



The larva or apple worm 22 



Tlie second brood 25 



Spraying experiments in 1906 26 



At Walpole, N. H 28 



At Hancock, N. H 28 



At Greenland, N. H 30 



Tlie results 32 



Other means of combating tlie codling moth 33 



!^flfect of sprajang on apple diseases 38 



Tlie apple scab 39 



Experiments at Walpole, N. H., against scab 41 



Tlie brown spot of the Baldwin 41 



Controlled by spraying in experiments at Durham 42 



How to spray 42 



Apparatus : 



The imiiii) 42, the nozzle 44, extension "rod -14, hose, 

 strainers, wagon and tower '45. 



Spray materials 47 



Bordeaux mixture . 47 



Insecticides 51 



When to spray 52 



How to apply the spray 54 



Is the spray dangerous? 55 



Cost of spraying 65 



Can I afford not to spray? 56 



