DEPARTMENT OF AGRICULTURE 



(HORTICULTURAL BRANCH) 



BULLETIN NUMBER 68 



DISEASES AND PESTS OF 

 CULTIVATED PLANTS 



By ,T. W. EASTHAM, B.Sc., Plant Pathologist and 



Entomologist, and MAX H. RUHMANN, 



Assistant Entomologist. 



WITH ARTICLE ON 



SPRAYS AND SPRAYING 



By B. HOY, B.S.A.. Assistant Horticulturist. 



THE GOVERNMENT OF 

 THE PROVINCE If BRITISH COLUMBIA. 



PRINTED BY 

 AUTHORITY OF THE LEGISLATIVE ASSEMBLY. 



VICTORIA, B.C.: 



Printed by WILLIAM H. CDLLIN, Printer to the King's Most Excellent Majesty. 



1916. 



