THE POTATO SCAB 



Professor II. L. Bolley has shown that what id probably 

 this same disease occurs also on beets planted on potato 

 ground. 



Treatment. Dr. Roland Thaxter, after several 

 years of careful study, summarizes the preventive meas- 

 ures to be taken against this disease as follows : (1) The 



FIG. 74. POTATO INJURED BY SCAB. 



cccd must be free from any scabs. (2) Land which has 

 produced scabbed crops in previous years, either of pota- 

 toes or of beets, or has been fertilized with manure from 

 scab-fed stock, must not be planted to potatoes. (3) 

 Gc:ib potatoes should never be fed to stock, under any 



