white mold of tomato
Figure 1. White mold (timber rot) of tomato. Lesion as base of plant leads to wilt. 
Figure 2. White mold of tomato. Note dry, brittle appearance of stem and dark, irregular sclerotia in and on stem. 
Figure 3. White mold of tomato. Stem has been torn away to reveal sclerotia. 
Figure 4. White mold of tomato fruit.