CONTROL OF GARDEN DISEASES AND INSECTS. 



55 



I'OU Sl»OT. 



Dark spots sometimes appeiir on leaves and pods. This trouble is 

 knoAvn as leaf and pod spot and spreads in the seed. There is no 

 effective treatment. Save seed from healthy pods. 



STKM-BLIGHT. 



When peas are affected by stenirblight the stems shri\el and decay 

 at the soil line. Rotate. 



POTATO. 



COLORADO POTATO BEETLE. 



If careful watch is not kept, the Colorado potato beetle (fig. 62) 

 is certain to exact a heavy toll. This beetle and its " slugs *' are so 

 well known that no description is necessary here. 



The range of this pest covers a large portion of the United States, 

 but it is not found extensivel}^ or in especially injurious numbers 



FlQ. 62. — The Colorado potato beetle {Lepllnotama dccetnlineuta) and. 

 •• slugs," or larva', at work, t^lightly enlarged. 



