Sycamore Anthracnose. Click on images for captions. But patience is necessary because this fungus is the most serious disease of the sycamore tree. are deciduous trees prized as shade trees for their fast growth rate, attractive, unusual bark and large, lobed leaves. Yes, wild and cultivated Sycamores (and their cultivated relatives, London Planetree) have contracted Sycamore Anthracnose this spring, though the extent of the damage seemed a bit more severe than average. Sycamore anthracnose causes small cankers, from which spores emerge to infect spring foliage. Apply sprays as buds begin to swell. In some years the disease symptoms are inconspicuous and little in-jury occurs. <0.3″) can be enough to promote disease development. We recommend looking into some treatment plans. sycamore tree anthracnose treatment. Preventative applications of ArborSystems Shepherd Fungicide are most effective when applied in the late summer, around one month prior to the typical first frost. Tan to brown irregular shaped spots or blotches on young leaves. Weather Influences. What is Sycamore Anthracnose and how do you treat? Sycamore scale overwinters as eggs on bark. of sycamore trees is anthracnose. Even minor rain events (e.g. Early loss of sycamore leaves can be alarming. A sycamore leaf infected with anthracnose. The fungus that causes sycamore anthracnose causes cankers on the 1-2 year old twigs. The fungi that cause it, mostly from the family Gnomoniaceae, vary depending on the tree species. Oak anthracnose Leaf symptoms. Sycamore Anthracnose Treatment. How to Inject Fungicide Into Sycamore Trees. Even severely affected trees usually recover to produce new growth by mid-summer. Sycamore’s can be harder hit with anthracnose, and if it is a really bad infection, you can have enough damaged leaves to significantly harm your trees, but rarely does anthracnose kill a tree. Sycamores (Platanus sp.) When treating trees for sycamore anthracnose, the best option is a double play: treat the disease and restore the tree’s health. Anthracnose damage can be confused with frost damage. In order to really get a handle on this disease to make sure it does not spread to a healthy tree. Managing Sycamore Anthracnose. The fungus survives in fallen leaves in the winter, and spores spread to other trees through wind and rain. … Visible symptoms of the disease vary with species and host but most commonly, infected leaves develop tan to reddish brown lesions … Plane Tree Anthracnose is becoming commonplace. Anthracnose on Deciduous Trees . It usually takes two growing seasons to actually see a healthier sycamore. The first symptoms appear on young leaves as they unfold. Dogwood, birch, elm, walnut, butternut, hickory, and other trees may also be damaged. Anthracnose generally spreads in infected, dead leaves on the ground. How to identify anthracnose. The treatment for anthracnose is to clean up fallen, diseased leaves and cut off dead twigs and branches. This defoliation will not kill an otherwise healthy tree unless it occurs repeatedly over several years. Treatment. These areas of browning are often V-shaped. The city of Modesto, California, is the home of “Old Grandad,” the original Modesto Ash tree (Fraxinus velutina). While damages resulting from anthracnose infections are generally inconsequential to the overall health of a tree, repeated attacks from the disease year after year can weaken a tree’s defenses enough to leave it susceptible to other diseases and insect infestations. The most dangerous of the diseases of sycamore trees is anthracnose, also called leaf and twig blight. The ends of twigs may be killed back 8 to 10 inches. Sycamore tree with anthracnose in Springfield, near Edsall and Backlick Roads. 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