Bean Antiiracnose 



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expected from the seed plot, then enough seed must be selected from 

 clean pods to plant two acres. 



When the main field contains 200 acres or more, the size of a plot neces- 

 sary to produce sufficient seed for the main field will be so large that 



Fig. 19. a hill of wax beans from healthy seed 

 The pods are entirely free from antiiracnose 



it will be difficult to obtain by pod selection enough seed to plant it. 

 In such a case it is desirable to maintain an increase plot in addition 

 to a small seed plot. The seed plot would be used to provide clean seed 

 for the increase plot, which in turn would produce sufficient seed for the 



