UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 227 



Contribution from the Bureau of Plant Industry 

 WM. A. TAYLOR, Chief 



Washington, D. C. 



PROFESSIONAL PAPER 



August 23, 1915. 



THE TOXICITY TO FUNGI OF VARIOUS OILS 



AND SALTS, PARTICULARLY THOSE USED 



IN WOOD PRESERVATION 



By 



C. J. HUMPHREY, Assistant Pathologist, and RUTH M. FLEMING, 



Scientific Assistant, Office of Investigations in Forest Pathology 



CONTENTS 



Introduction 1 



Historical 2 



Tests Conducted at the Forest -Products 



Laboratory 14 



Page 

 Toxicity to Fungi of the More Important 



Preservatives 31 



Summary 35 



Bibliography 37 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1915 



