History of Sycamore Anthracnose Treatment In the past, the only real option open to arborists for the treatment of Sycamore Anthracnose was to spray various fungicides on the leaves and twigs to try and control the disease. Timing was critical, and repeated sprays were needed to have any effect at all. The potential pesticide exposure… Read more »
Posts Categorized: Anthracnose
Sycamore Anthracnose – Direct-Inject System by ArborSystems
This sycamore tree is being injected with fungicide for the treatment of Sycamore Anthracnose. There are 92 sycamore trees on this site, all infected to some degree with this chronic disease. In addition, the trees are being soil treated with a special mix of fertilizer and organic products to increase their health. Here, the ArborSystems… Read more »
Sycamore Anthracnose FAQs
WHAT CAUSES ANTHRACNOSE IN SYCAMORES? Sycamore Anthracnose is a tree disease that is caused by the fungus Apiognomonia veneta. This disease affects sycamore trees, but there are some varieties that are resistant (namely the London planetree). While rarely fatal, the disease negatively affects the look of the tree and, with repeated years of infection, can… Read more »
Symptoms of Sycamore Anthracnose
There are several signs of Sycamore Anthracnose. Twig and leaf drop in the late spring, thinning crowns, distorted limb growth, and / or “witches’ broom” growth are the most common characteristics of this disease. WITCHES’ BROOM A close-up of this sycamore tree shows the “witches’ broom” growth characteristics that are associated with Anthracnose. This is… Read more »
Detroit, Michigan Sycamore Anthracnose Summary
I have a number of pictures taken in the Fall of 2010 in Detroit, MI on a site with 92 mature sycamore trees. Most of these trees are between 20″ and 35″ in diameter. Anthracnose has obviously been on this site, affecting these trees for many years. Some of the trees are declining to the… Read more »