CONTENTS 



Page. 



Introduction 7 



The codling moth J 7 



Losses due to the codling moth 7 



Distribution 8 



Fruits infested 8 



Life history 8 



Hioernation 8 



The moth 8 



The egg 9 



The larva 9 



The cocoon 10 



The pupa 10 



Generations of the insect 10 



Natural enemies _ 11 



Measures used against the codling moth 11 



Remedies of little or no value _ 11 



Banding 12 



Spraying with arsenical insecticides 13 



Apple scab 14 



Losses due to apple scab 14 



Cause 14 



How to make and use Bordeaux mixture 15 



Method of making Bordeaux mixture in small quantities 15 



Method of preparing Bordeaux mixture for large operations 17 



Testing Bordeaux mixture 18 



Spraying 18 



Types of spray outfits 18 



The barrel pump 18 



The tank outfit 18 



Geared sprayers 19 



Steam and gasoline outfits 19 



Selection of spray outfits .* 20 



The hose and extension rods 29 



Method of spraying 20 



Cost of spraying 21 



Spray injury to foliage or fruit 21 



When to spray for the codling moth and the scab 22 



Spray calendar 23 



247 



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