U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY— BULLETIN NO. 93. 



B. T. GALLOWAY. (7iie/o/JJ«/-«?a«. 



THE 



CONTROL OF APPLE BITTER-POT, 



BY 



W. :M. SCOTT. Pathologlst. 



VEGETABLE PATHOLOGICAL. AND PHYSIOLOGICAL 

 INVESTIGATIONS. 



IssDEP Makch 14, 1906. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1 9 6 . 



