CONTENTS 



Introduction . 

 Apple scab 



The causal fungus 

 Spraying program for 1922 



Treatment of plots . 



Time and manner of spray applications 

 Discussion of results of spraying 



Importance of the first spray applications 



Home-made Bordeaux and lime-sulfur 



Liquid lime-sulfur versus dry lime-sulfur 

 The cost of spraying 

 Dusting program for 1922 



Treatment of plots . 



Time and manner of application 

 Discussion of results of dusting 

 The effect of apple scab on the vitality of the tree 

 The relation of weather to spraying . 

 Burning of apple foliage by sprays and dusts 

 Recommendations for 1923 



Spraying program 



Dusting program 



Miscellaneous . 

 Tabulated results 



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