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Tag: Doug Caldwell

Common rust disease causes premature leaf drop of frangipani (plumeria) plants.

A rust (fungus) disease, Coleosporium plumeria, defoliates many varieties every year.                Top photo: The rust disease coats the underside of the leaf with orange pustules and causes leaves to turn yellow, then brown and rapidly defoliate in… Read More

Ficus Whitefly, Singhiella simplex, was One of the Most Destructive Landscape Pests

Before ficus whitefly, this community was surrounded by a wall of Ficus benjamina. Same hedge, about 6  years after ficus whitefly invasion. Dr. Muhammed Z. Ahmed and Collier County MG Tatiana Burhart evaluate the hedge’s failure. Ficus whiteflies… Read More