4.12 



Bean Pod Canker. 



[OCT., 



may escape notice; on the other hand, when a diseased patch 

 girdles the stem, the portion above the wound withers and dies. 

 In some instances the leaves are also attacked, and the diseased 

 portions soon become dry and drop out, leaving irregular holes 

 usually attributed to the ravages of insects. 



Bean Pod Canker, 



As a rule the pods are infected by spores produced on the 

 stem or leaves, consequently much depends on dealing with the 

 disease on its first appearance. 



Preventive Measures. — Bordeaux mixture half the normal 

 strength should be used until the pods are set, after which a 

 solution of potassium sulphide — one ounce dissolved in four 

 gallons of water, should take its place. Even this fungicide 

 should be discontinued when the pods are about half-grown. 



