VEGETABLE AND FIELD CROPS 



261 



Upon the diseased spots are fine mycelial strands, es- 

 pecially abundant under humid conditions. Soon these 

 strands aggregate into tufts which round off, become hard 



Fig. 117. — Pepper plant sliowing wilt (sclerotiose). After Fulton. 



and smooth, and change from white to yellow, and finally 

 to dark brown. These bodies, the sclerotia, are about 

 as large as a mustard seed. Attacks usually begin when 

 the pods are forming and continue through the season. 



