Promote plant vigor by protecting the tree from stresses. These conditions rarely kill the tree, but often leave it looking bedraggled by the end of the season. The white bark, and the large foliage will not only visually cool down a landscape, but the large leaves transpire a lot of water and this takes energy out of the atmosphere. It also affects shrubs such as privet. Sycamore trees grow in diverse regions throughout the United States, but they all have problems with the same pests and diseases. Anthracnose fungi need water to spread and infect, so the disease is more prevalent during wet, cold … Mottled gray and white trunk with patchy, peeling bark. The American sycamore is hardy in U.S. Department of Agriculture plant hardiness zones 4 through 9, and the California sycamore is hardy in zones 7 through 10. 70 Western sycamore borer (Synanthedon resplendens) Contents 3 Diseases Acorn diseases 72 Drippy nut (Brenneria quercina) Diseases affecting leaves and twigs ... 8 A Field Guide to Insects and Diseases of California Oaks Figure 2. Sycamore tree leaves: California sycamore tree leaves have five lobes with deep clefts between them. Anthracnose is a common disease among deciduous trees, especially sycamore, ash and oak. A sycamore’s spreading roots often infiltrate water and sewer lines and damage sidewalks and paved areas. Multicounty regions used in agent range maps. Canker stain: London plane and sycamore trees have sparse foliage, small leaves, and elongated sunken cankers on the trunk and … California sycamore tree leaves become orangey … Sycamores and Blight. Anthracnose blight commonly affects sycamore … X. fastidiosa from elm does not infect sycamore or vice versa. Platanus racemosa, the California Sycamore or Western Sycamore can become an incredible specimen. The insects leave black flecks on the lower leaf surface and cause premature defoliation in late summer and early fall. Thankfully, there are various methods of pest and disease management that will help keep your sycamore trees healthy. Diseases: Some fungi cause leaf spots but usually aren't serious. Sycamore lace bugs feed on the undersides of the leaves, causing stippling. As with most sycamore leaves, prominent yellow veins feature in the leaf pattern. There is a native fungal disease, … Pyramidal form … California native sycamore adaptable to many soil conditions. The leaves are glossy green on the upper side and matte green on the underside. The California sycamore (Plantanus racemosa), which can reach 50 to 100 feet tall, is native to the California foothills and coast ranges. The trees are susceptible to several insect infestations and fungal diseases. Anthracnose fungi, however, cause early … California sycamore is also known by other common names, including “Western sycamore” and “California plane tree” in English, as well as “Alisos” in local Spanish. It causes unsightly dark, sunken lesions on leaves, stems, flowers and fruits. See the information on this disease in the "Common Plant Diseases" section. The botanical name is Platanus racemosa; the genus, Platanus, comes from the Greek “platanos”, meaning sycamore – and the specific epithet, … More prevalent during wet, cold undersides of the season tree, but often leave it looking bedraggled the... Vice versa with deep clefts between them management that will help keep your sycamore trees healthy keep your sycamore healthy... 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