THE POTATO SCAB 171 



After drying, the potatoes may be cut and planted as 

 usual. Plant upon ground that has not previously borne 

 the disease. The potatoes may be cut before treatment 

 if wished. 



"Caution: — The corrosive sublimate is a strong- 

 poison, and too great care cannot be exercised in its use. 

 The strength of the solution as here reconi mended, one 

 part in one thousand, is the same as that used in sur- 

 gery, and is not such as to work injury unless taken into 

 the stomach. Great care should be taken in handling 

 the pure substance, and all treated potatoes should be 

 planted. The solution should not he placed in metallic 

 vessels. " 



This method has been tried by Mr. T. B. Terry, 

 the well-known Ohio specialist, and endorsed. The 

 potatoes may be conveniently dipped in the solution if 

 they are first placed in coarse sacks, like coifee sacks, 

 through which the liquid readily passes. Mr. W. J. 

 Green, of the Ohio Experiment Station, has recently 

 announced that excellent results in scab prevention were 

 obtained by soaking the seed for one hour in dilute Bor- 

 deaux mixture. 



Literature. — Dr. Eoland Thaxter's articles on tlie 

 subject are found in the reports of the Connecticut Ex- 

 periment Station for 1890 and 1891, and Professor Bol- 

 ley's contributions in Agricultural Science, Vol. IV, and 

 Bulletins Nos. 4 and 9 of the North Dakota Experiment 

 Station. Other articles may be found in the Cth, 7th 

 and 8th reports of the Massachusetts Experiment Station, 

 and in various other reports, bulletins and periodicals. 



