II. WORMALI) 203 



8. The disease may be kept in check by cutting out all dead spurs 

 and cankers before the flowers open ; on the first appearance of the 

 disease all wilted trusses and dead spurs should be promptly removed. 

 Spraying operations can be efficacious only when they kill the conidial 

 pustules or prevent them from shedding their conidia during the 

 flowering period. 



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