Sycamore Anthracnose
Sycamore Anthracnose affects sycamore trees (Plantanus occidentalis) and London Plane trees (P. x acerifolia) in the urban environment as well as trees in the wild. It is a disease caused by the fungus Gnomonia leptostyla (syn. Apiognomonia veneta) and is found throughout the range of the sycamore tree. Although the disease is not considered fatal trees that are infected become weakened by defoliation and disfigured by the twig cankers. Fungal spores found in twig cankers on 1-2 year old branches emerge in the spring and infect new leaves. The fungus then moves from the leaf, down the petiole, and into the twig where it causes new cankers.
When a sycamore tree is macro-infused with Arbotect 20-S the 1-2 year old twigs are protected from the establishment of new cankers. This breaks the disease cycle and alleviates the symptoms for three years of protection. Application of Arbotect 20-S is done when the tree is in full leaf. It is applied mid-summer into fall just after the tree refoliates from the leaf and shoot blight stages. Applying through the Macro-infusion protocol ensures even uptake and distribution throughout the canopy. Protection and suppression of symptoms will begin the next season. Arbotect 20-S does not kill the fungus that is already present the tree, rather it disrupts the fungus’s life cycle and prevents the formation of new cankers. Leaf symptoms will be present the season after treatment but will diminish over the three year period. Visit the Sycamore Anthracnose section of our website for complete disease and treatment information. |
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- Sycamore Anthracnose is a stem inhabiting fungus that causes defoliation, twig dieback, and a ragged appearance.
- The seriousness of this disease is relative to the health of the tree it is infecting. Healthy trees can withstand many years of defoliation, while trees in a stressed condition can experience severe dieback and decline.
- Most disease infection grows out of the twigs and into the leaves from the inside - thus sprays are not very effective.
- Disease severity changes from year to year and is dependant on temperature. Cool springs are more conducive to severe Sycamore Anthracnose outbreaks.
- Treatment with Arbotect Macro-infusion, gives fungicidal protection from the inside of the tree as it coats the small twigs and branches were the disease grows. One treatment lasts for 3 years.
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Research is an important component of Rainbow Treecare Scientific Advancements, and we currently have more than 60 research projects underway to develop solutions to tree health problems. These include projects designed to expand the use of our current products as well as testing novel treatments for problems that do not currently have solutions. Our goal is to provide new products that will improve the health of your client’s trees and provide additional ways for your business to grow.  |
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Application Guide
Download the latest Cambistat application guide and rate chart (PDF download).
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Basal Drench Kit
Our Cambistat® Basal Drench Kit will get you well on your way to integrating Cambistat into your plant health care program. Take some time to review the Cambistat sections to fully understand the benefits of slowing growth.
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set of custom sell sheets
We can customize brochures with your company information and logo in COLOR. We have brochures available for Injured Roots,Urban Tree Stress, Growth Reduction, Chlorosis, Dutch Elm Disease,Oak Wilt, and Sycamore Anthracnose. Email us your logo for your free trial pack.
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