· While it can look alarming, figrust rarely threatens the long-term survival or productivity of a fig tree. This article explains what figrust is, why it appears so commonly in humid climates, how to distinguish it from more serious problems, and when treatment is warranted. Understanding what figrust is, what causes it, its symptoms, the impacts on tree health and fruit, and treatment strategies can help you manage this disease effectively. · Just like many plants native to dry and warm climates, fig trees can be prone to a fungal infection called rust in areas with high humidity. Don't let rust ruin your fig tree's beauty and productivity. Learn how to recognize and address this fungus before it causes significant harm. Figrust, caused by the fungus Cerotelium fici (for-merly Physopella fici), is the most common disease of figs in Louisiana and the Gulf Coast region of the southeastern U.S. Figrust occurs only on the leaves and does not affect the fruit directly. · Is your fig tree losing its leaves? You likely have figrust. Not to worry, many fig trees including the very common Brown Turkey Fig are quite susceptible to this annual fungal disease in Florida’s heat and humidity. · While rust on fig leaves and fruit can be a disappointment to home gardeners, it isn't fatal. Proper cleanup and good air circulation will go a long way to keep the disease at bay and a spray treatment for previously infected trees can stop its recurrence. FigRust (fungus – Physopella fici): The disease is first evident as small, angular, yellow-green flecks on the leaf. The spots do not become extremely large but do become more yellow and finally a yellowish-brown. The margin of the spot is reddish in color.
