\ ROETABLE CROPS. 683 



Only clean seed should be used in any future planting. This should be 

 obtained from some source known to be free from disease. All seed should 

 be hand-picked, and any showing spots or discolorations should be dis- 

 carded. These two operations (burning refuse and selecting seeds) should 

 be rigidly carried out. 



Bean Pods attacked Dy Bean Antbracnose. 



The seed should not only be selected, but the pods should also be selected 

 in the field, and as a further precaution all seed should be disinfected. The 

 most satisfactory dip is a solution of about 1 oz. corrosive sublimate or 

 mercuric chloride in 6 j gallons of water in which the seed should be soaked 

 for ten minutes, while a formalin solution (strength. 1 oz. commercial 



