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INTERNATIONAL CONGRESS OP VITICULTURE 



In cases of severe infestation, careful and thorough spraying at proper 

 times with arsenate of lead, 4 to 6 pounds. Bordeaux (2-3-50) and dissolved 

 soft soap, 2 pounds, is a necessity for controlling the grape berry worm. 



Fig. 13. Cocoons of the grape berry moth on leaf. 



