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Voodoo Lily Question #752627
Asked May 27, 2021, 7:08 PM EDT
Hennepin County Minnesota
Expert Response
The fleshy leaf stalk (petiole) is a very interesting mottled pinkish-gray and olive green. I think that the red color is normal for this plant.
Good Morning,
No, definitely not part of the plant. Only one of the three plants has them. There's only a few sores and they are concave, little nicks in the stem. They also react to the fungicide.
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Leaf Scorch or Red Blotch (fungus – Stagonospora curtisii): Flower stalks are affected resulting in their being distorted and stunted. Affected stalks have bright red lesions that are one-fourth to one-half inches wide and several inches long. In the later stages of infection, a white to brownish-gray mycelium develops in the center of cankers. The fungus is carried over in bulbs and discolored bulbs should be discarded. Foliar fungicides may be used to protect above-ground parts. group of aroids