This publication outlines integrated management for leaf rust in southern highbush blueberries, indicating severe impacts on fruit yield.
Leaf rust is an important disease of southern highbush blueberries (SHB) in Florida and can be particularly costly in the evergreen production system. Severe leaf rust causes defoliation in the fall or early winter, which can decrease floral bud differentiation, photosynthesis, and the next season’s fruit yield. Florida blueberry growers consistently list leaf rust among their top-three disease concerns in UF/IFAS surveys. This publication will present information for Florida blueberry growers on the disease cycle, symptoms, and integrated management of this fungal leaf disease.
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Harmon et al. (2025) studied this question.
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