New York Agricultural Experiment Station. 227 



in individual cases where small quantities of tubers are used, the 

 percentage of Rhizoctonia not killed may be almost as high as the 

 average percentage for large quantities of tubers. 



Table III. — Effect of Formaldehyde and Corrosive Sublimate Solutions 



on Rhizoctonia. 



In Experiment 89 (Table I), there is compared the efficiency of 

 formaldehyde gas on the sclerotia having different moisture content. 



