Hibiscus Plant Care Hibiscus Doctor. Oh no! Something is wrong with your hibiscus! How do you figure out what it is? We have written many, many articles and webpages telling you how to figure out what is wrong with your hibiscus, but sometimes a picture is worth a thousand words.
Plant in a sunny area, do not crowd plants, and avoid overhead watering. Chemical applications should begin before new foliage is infected. Fungicides will protect foliage from infection (by killing the mildew spores as they germinate) but will not remove the dense, white fungal growth from infected leaves.
White mold is a serious, and often lethal, fungal disease that affects over 374 types of plants in many plant families. It causes severe damage in commercial snap, kidney and lima bean production, as well as commercial sunflower production.
In spring, the young shoots growing from infected buds are covered with velvet-like white growth of powdery mildew. The powdery mildew fungus grows into the plant to steal nutrients. Powdery spores are produced in leaf spots throughout the growing season. Spores spread by wind and start new infections within the plant or in neighboring plants.
Jun 13, 2008 · The fungus, which is commonly found growing on dead leaves, compost piles and decaying vegetation, may trigger a relatively harmless allergic reaction but can cause serious problems if too many ...
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In the fall and early winter, the fungus produces an ascoma or clietothecia—an overwintering structure. It is a dark, spherical structure about the size of a small poppy seed and easy to see among the whitish mildew. The ascoma survives the winter on leaves or plant debris and produces spores in the spring that can re-infect crape myrtles.