42 U. S. DEPARTMENT OF AGRICULTURE. 



PARSNIP: GRAY MOLD ROT; BOTRYTIS ROT. 



(See Gray Mold Rot). 



PARSNIP: WATERY SOFT ROT; SCLEROTINIA ROT. 



(See Watery Soft Rot). 



PEA: BACTERIAL SPOT. 



Cause : Bacteria. 



On the pods this disease appears as greasy water-soaked 

 spots which may enlarge to irregularly circular, slightly 

 sunken watersoaked blotches with gray centers. 



This is a rather widespread disease of the vines, and pod 

 infection occurs in the field. It seems likely that the spots 

 enlarge during transit. Bacterial spot was found commonly 

 in the Chicago market in the summer of 1918, and appeared 

 to predispose the stock to secondary rots. 



No control is known at present. 



PEA: POD SPOT. 



Cause: A fungus (Ascochyta pisi). 



The symptoms of this disease are rather small, definitely 

 circular and sharply depressed spots with tan-colored or 

 pinkish centers often bearing small pimples, the pycnidia of 

 the fungus. 



This is a serious field disease affecting the leaves and 

 stems as well as the pods. Pod infection occurs in the field, 

 and there is probably little spread of the disease during 

 transit. 



Control involves crop rotation and the use of disease-free 

 seed. 



Ref. (73). 



PEA: SLIMY SOFT ROT; BACTERIAL ROT. 



(See Slimy Soft Rot). 



PEA: WATERY SOFT ROT; SCLEROTINIA ROT. 



(See Watery Soft Rot). 



PEPPER: ANTHRACNOSE. 



Cause: A fungus (Gloeosporium). 



Slate-colored to charry black, sunken lesions are char- 

 acteristic of this disease. The margins of the lesions either 

 are darker colored or watersoaked but of the same color as 

 the healthy tissue, and wrinkled. Under moist conditions 

 salmon-colored dots or spore heaps occur, which may run 

 together and form a slimy mass. These dots are the acer- 

 vuli (sing, acervulus) of the fungus and furnish a positive 

 diagnostic character for this disease. 



This disease is found frequently on peppers. Very fre- 

 quently, under market conditions, the lesions do not bear 



