294 



Bulletin 239. 



lage in which they are enclosed fastens them to the spot and they cannot 

 be scattered. For the same reason " string " or " snap " beans should 

 not be picked when wet. The handling of a single spotted pod may 



be sufficient to 

 spread the disease 

 throughout an en- 

 tire row, or spot all 

 the pods gathered. 

 Repeated cropping 

 of the same land 

 with beans is not 

 desirable and, for- 

 tunately, not con)- 

 monly practiced. 



Susceptibility of 

 varieties. — It is 

 well known that 

 certain varieties 

 are more suscepti- 

 ble tlian others to 

 this disease. This 

 is notably true 

 of the common 

 " Wax " varieties. 

 So far as the 

 writer has been 

 al)lc to discover, 

 no very extensive 

 information on this 

 point is to be had. 

 Numerous " Rust 

 Proof " varieties 



Fig. 



1 10.- 



-"Blighl" on pods of Wax beans. 

 New Jersey Bulletin No. 151. 



From 



have been placed on the market, but while some of them are more or less 

 resistant probably all will spot under conditions most favorable to the 

 fungus. Dependence, therefore, should not be placed on the resistance 

 ability of any variety. All should be thoroughly sprayed if iiiunniiity to 

 the disease is to be e.vpccted. No record has been discovered of anthrac- 

 nose on Lima beans. 



