60 



FARMEES BULLETIN 856. 



STORAGE ROT. 



Deca}' of potatoes after liarvestinjT comes from two principal 

 causes: (1) Late-l>light dry-rot, resulting from failure to control the 

 late-blight of the tops by spraying. Sort out 

 all potatoes showing traces of dry-rot. (2) 

 »-^ 1 Wounds and bruises and too warm storage. 



Fig. OS. — roluto tipburn. Fig. G9. — Potato lato-Might. 



Potatoes should be handled Avith much care and kept in a cool, 

 dark cellar. 



Eadishes are attacked by 

 the same insects as cab- 

 bages. The cabbage worms, 

 as a rule, do less damage, 

 but the flea-beetles, espe- 

 cially the striped forms, 

 sometimes are troublesome. 



When radish is treated 

 with lead arsenate for cab- 

 bage worms the flea-beetles 

 will be destroyed. This spray 



Fig. 70.— Potato late-blight tubor rot. 



is recommended aaainst the western 



PhyUotrcta pusilhi Horn. 



