Bacterial Spot of Cowpea and Lima Bean 
Plate 
A—Full-grown cowpea pod, showing lesions which have not caused conspicuous constrictions 
B. —Cowpea leaflet, showing large lesions with tan centers and reddish brown borders. Such 
lesions result from early infection and cause malformation and shattering of leaves 
C. —Normal cowpea seed above. Two infected, shriveled, discolored seeds below, for comparison. 
X 2 
D. —Seedling from an infected seed, showing the cotyledon lesion. X 2 
E. —Portion of cowpea pod, showing the large normal seeds in the healthy part of the jx)d and the 
small, dark, infected seeds under a bacterial-spot lesion. X 2 
F. —Portion of seedling stem, showing a large lesion extending down the hypocotyl from the point 
of attachment of the cotyledon. Such a lesion is the result of invasion from a cotyledon lesion such 
as is shown in D. X 2 
G. —Hypocotyl of seedling enlarged (X 2) to show sunken lesions 
