If bacteria are at work, you will see gooey threads as you pull the leaf apart. Other Symptoms Leaves have brown spots on them . Leaves pale . They appear yellow or grayish in color. Leaves have holes in them .
Plant growth is slow .
Treatment First, isolate all infected plants. Then, using a sterilized cutting tool, remove all affected foliage. Disinfect your cutting tool between cuts with a 10 percent bleach solution, i.e., one part bleach to nine parts water. Prevention Always wash hands before handling your Violets. Before repotting, disinfect pots with a 10 percent bleach solution, and pasteurize potting soil .