BULLETIN No. 116. MARCH, 1907. 



MASSACHUSETTS 



AGRICULTURAL EXPERIMENT 



STATION. 



THE SAN JOSE SCALE 



AND 



EXPERIMENTS FOR ITS CONTROL 



BY 



H. T. FERNALD, Ph. D. 



An account of the life history of the San Jose Scale ; 

 the injuries it causes; treatments for it; experiments for 

 its control including chemical and practical studies of the 

 lime-sulfur wash ; a summary of experimental work in the 

 United States ; and full directions for making and applying 

 the lime-sulfur wash. 



Requests for bulletins should be addressed to the 



Agricultural Experiment Siaiton, 



Amherst, Mass. 



