white mold of cucumber
Figure 1. White mold of cucumber. Plant is wilting due to lesion on stem. 
Figure 2. White mold of cucumber. Note dark, irregular sclerotia on stem. 
Figure 3. White mold of cucumber fruit. Note dark, irregular sclerotia on fruit. 
Figure 4. Early symptoms of white mold of cucumber. 
Figure 5. White mold of cucumber.