32 BULLETIX 453, U. S. DEPARTMENT OF AGEICULTTJEE. 



renders it impossible to recommend any single treatment which will 

 be everywhere successful. Directions are given for simple tests, by 

 which it is believed that any nurseryman can develop a treatment 

 that will succeed under his conditions. 



(8) Further experiments are being conducted, with the hope of 

 discovering either a more generally applicable disinfectant method 

 than any of those so far tested or else a means of controlling the 

 disease without the use of disinfectants. 



ADDITIONAL COPIES ' 



OF THIS PUBLICATION HAY BE PROCURED FROM 



THE SUPEREnTEXDEXT OF DOCUMENTS 



GOVERNMENT PRLXTLXG OFFICE 



WASHINGTON, D. C. 



AT 



5 CENTS PER COPY 



V 



WASHINGTON : GOVEBNMBNT PRINTING OFFICE : 1016 



