CH. VI 



TOBACCO 



157 



collected and burned, and the house disinfected with 

 Bordeaux to prevent the spread of the disease. 



It would undoubtedly be wise to disinfect the 

 tobacco houses before the tobacco is put into them. It 



FIG. 65. Tobacco plant affected by Granville tobacco wilt. 

 (After Stevens and Hall, Diseases of Economic Plants.) 



has been suggested by Selby of Ohio that one pound of 

 formalin in 30 gallons of water would make a suitable 

 preparation for this purpose. It could be introduced 

 as a fine spray and would destroy all the fungi and 

 bacteria, after which a thorough airing would remove 

 it entirely. 



