UNIVERSITY OF CALIFOBNIA PUBLICATIONS. 



COLLEGE OF AGRICULTURE, 

 AGRICULTURAL EXPERIMENT STATION 



BERKELEY, CALIFORNIA. 



OR POWDERY MILDEW OF THE VINE 



By FREDERIC T. BIOLETTI 



EFFECT OF OIDIUM ON YOUNG GROWTH. 



BULLETIN NO. 186 



(February, 1907) 



BERKELEY 

 THE UNIVERSITY PRESS 



