MEMOIR 128 MAY, 1930 



CORNELL UNIVERSITY 

 AGRICULTURAL EXPERIMENT STATION 



STUDIES ON FUNGICIDES 



I. CONCEPTS AND TERMINOLOGY 



H. H. WHETZEL AND S. E. A. McCALLAN 



II. TESTING PROTECTIVE FUNGICIDES IN THE 



LABORATORY 



S. E. A. McCALLAN 



III. THE SOLVENT ACTION OF SPORE EXCRETIONS 



AND OTHER AGENCIES ON PROTECTIVE 



COPPER FUNGICIDES 



S. E. A. McCALLAN 



ITHACA, NEW YORK 



PUBLISHED BY THE UNIVERSITY 



Received for publication October 7, 1923 



