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Posted by & filed under Anthracnose

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 »

Posted by & filed under Chlorosis

WHAT IS CHLOROSIS? Chlorosis can be identified by a yellowing of plant leaves typically between veins (interveinal) usually a sign of a micro-nutrient deficiency. The most common deficiencies are iron and manganese. If chlorosis is left unchecked it can lead to entire leaves turning yellow, including the stems, browning of the edges of the leaves… Read more »

Posted by & filed under 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.  1 2 WITCHES’ BROOM A close-up of this sycamore tree shows the “witches’ broom” growth characteristics that are associated with Anthracnose…. Read more »