sycamore tree fungus

These insects drill holes into trees during summer to lay their eggs inside them. Watch for any signs such as a change to the leaves. English sycamore trees are massive shade trees with smooth brown peeling bark and dark green leaves. Its most recognizable feature is its bark that peels away as the trunk expands, revealing the white, tan, and green inner bark. Dead twigs and branches have sunken cankers. Affected trees develop thin crowns, twig dieback, small leaves and epicormic branches. Skip to the beginning of the images gallery, Growing Gardeners: Pest Education and Poison Prevention Program, Steps to Controlling Insect Pests in the Garden, Spotted Lanternfly Permit Training for Businesses: Pennsylvania, Spotted Lanternfly Management and Pesticide Safety, Plant Health Diagnosis: Assessing Plant Diseases, Pests and Problems. Since the disease typically attacks American sycamore trees, try planting a London plane tree or an Oriental plane tree, which are usually resistant to sycamore anthracnose. For the best experience on our site, be sure to turn on Javascript in your browser. Diseases that Can Affect Sycamore. Sunken cankers on younger twigs or small branches. Here are descriptions of the eight species of sycamore trees popular in parks, cities, and woodlands. Older leaves turn brown, and dead areas occur along the leaf veins. (such as we've had in St. Louis this spring) coincide with the emergence of the young sycamore leaves. While anthracnose may cause extensive defoliation, it does not cause serious harm to healthy, well-established trees. This sycamore species is native to Eastern Europe and the Middle East. Diseased trees often show a canopy of healthy leaves, as the anthracnose fungus is most severe in lower portions of the tree. The fungus can overwinter in fallen infected leaves and in twig cankers. Scale insects are tiny insects that cover the branches with a white powdery substance called scale. Tree Fungus Treatments: Once infected with a tree fungus your tree or shrub can never be fully cured. Sycamore tree bark: Arizona sycamore tree bark is mottled with smooth gray bark flaking off to reveal white patches. The adult female lays eggs on the leafs undersurface, attaching them with brown sticky material. If this document didnt answer your questions, please contact HGIC at hgic@clemson.edu or 1-888-656-9988. Sycamore Anthracnose A fungal disease that infects sycamore trees in the United States, sycamore anthracnose (Gnomonia leptostyla) is seldom fatal but disfigures and weakens the tree, making it a likely target for other deadly diseases or damaging pests. Grow these stately trees in moist soil that is well-draining. As with all sycamore species, the bark peels away as the tree matures, leaving a patchwork pattern on the trunk. In fact, Sycamore trees are one of the largest deciduous trees native to North America. The tree declines in general and the presence of the fungus is known when it fruits on the side of the tree. They shade outdoor spaces, gardens, and parks, and are among the most commonly planted shade trees. An American Sycamore tree is most notable for its exfoliating bark. If trees are of high value, a fungicide can be injected in the autumn before the leaves have fallen, the next spring after the leaves emerge, and again in the autumn to obtain protection of new tissue for the following two to three springs. The fungus doesn't kill the tree, but it makes it weak and hollow. The first symptoms appear on young leaves as they unfold. Sycamore trees are large, deciduous trees that can live for up to 300 years. Beneath the cankers, the wood is stained bluish black or reddish brown. It stands 35 meters in height. Anthracnose; Insects that Can Affect Sycamore. This information is supplied with the understanding that no discrimination is intended and no endorsement of brand names or registered trademarks by the Clemson University Cooperative Extension Service is implied, nor is any discrimination intended by the exclusion of products or manufacturers not named. The most important thing you can do to prevent this is to keep your sycamore tree well watered, as they need plenty of water to thrive. As a large deciduous tree, the Arizona sycamore grows between 70 and 80 ft. (20 24 m). California sycamore tree leaves become orangey-yellow in the fall. Department of Plant Pathology & Microbiology. Damage to trees is typically not serious, but heavy infestations can reduce growth. The annual fruiting structure is a white, rounded, spongy mass with long, slender white teeth on the bottom. The canker stain disease, one of several fungi that cause cankers of sycamore, can cause serious loss of sycamores in natural stands, plantations, and urban areas. So, dont stop reading to learn more. The Californian sycamore tree (Platanus racemosa) and Mexican sycamore tree (Platanus mexicana) are more common in the western parts of United States. Both adults and nymphs feed on the undersides of leaves. This ornamental landscaping tree has maple-like leaves, pale gray bark, and pairs of sycamore ball seeds. Life stages of the sycamore scale. These gall-like growths form on tree branches and trunks. It is caused by Xylella fastidiosa, a bacterial pathogen that kills off entire branches of the tree. Sycamore maples grow to 115 ft. (35 m), have broad five-lobed leaves, and flaking rough bark that reveals inner orange bark. Use pesticides only according to the directions on the label. Your sycamore tree is particularly susceptible to anthracnosea fungus that turns leaves black and brown in summer. Now the Arboricultural Advisory and Information Service (AAIS) has sent out a warning that Britain's sycamore trees are at risk of sooty bark disease (SBD). Symptoms of sycamore anthracnose are rather distinctive, although not always obvious indications of the disease. Bacterial leaf scorch can also be a problem. Usually, plant bugs go through only one generation per year, and adults are present throughout the summer. Read and follow all directions on the label. It is found in zones 4 to 9, in full sun to partial sun. Looking at pictures of English sycamore trees, youll notice coarse marginal teeth on the leaf margins. They may be able to save a tree by cutting out infected branches and properly removing soil to help dry out soaked crown tissue. Sycamore leaves have three or five lobes and are light green to dark green. Examples are aphids and scale insects. Common name: sycamore Scientific name: Acer pseudoplatanus Family: Sapindaceae Origin: non-native These broadleaf trees can grow to 35m and live for 400 years. The trigger of SBD is the mould fungus Cryptostroma (C.) corticale. Wildlife benefit from hollow sycamore trees, using them as storage chambers for nuts, nesting sites, and shelter. *Note: Powdery mildew fungi can develop resistance to these fungicides if they are applied exclusively. Sycamore scale bugs are tiny pests that feed on sap from leaves and branches. Leafhoppers and spittle bugs carry the bacteria from tree to tree. Tar spot is a plant disease caused by the fungus Rhytisma acerinum, a member of the ascomycete family, and one of the most easily recognisable plant diseases on the leaves of sycamore trees and . Frequent rains and cool temperatures favor rapid spread. Sycamore is an easy tree to propagate using hardwood cuttings collected during the late winter. Leaves are dwarfed and sparse in part or all of the tree top. There are three distinct but often overlapping stages of sycamore anthracnose: (i) dormant twig/branch cankering and bud blight; (ii) shoot blight; and (iii) foliar blight. They have a fast growth rate and good tolerance for pollution, wind, wet soil, and even drought. Viewed in cross section, the discolored wood is wedge shaped with the point of the wedge extending toward the center of the trunk or branch. The bark exfoliation usually begins as the tree matures. Remove infected branches. As with all pesticides, read and follow all label directions and precautions. Fungal fruiting structures can be found with a magnifying glass along the veins. Sign up for our newsletter. Sycamore tree leaves: California sycamore tree leaves have five lobes with deep clefts between them. The Mexican sycamore can grow in large residential gardens as an ornamental tree because it doesnt grow as tall as the American sycamore. Anthracnose is most severe in years with cool, wet spring weather. These structures are for surviving the winter. Tall, fast growing, and durable, the sycamore treewith its large, maple-like leavesis an elegant addition to your backyard landscape. Call an arborist, or tree expert, to help you diagnose and treat the disease. Formations of dead or dying twigs and small branches called witches brooms. What are the symptoms of BLS in sycamore trees? Sycamores have thin, peeling reddish-brown bark and seed balls that drop in spring. It can kill American sycamore, although it does only minor damage to other varieties. Common names for American sycamore trees include buttonwood trees, western plane trees, American plane tree, and water beech. It occurs when a soil-borne pathogen, usually a bacterium called Xanthomonas, infects and kills off the photosynthetic tissue on the surface of leaves. Sycamore Anthracnose (fungus Gnomonia plantani): Sometimes called blight and scorch. The dark surface mycelium can usually be rubbed off with the fingers. In late summer, small, pinhead-sized black structures may develop on the whitish-gray patches. While the sycamore lace bugs damage is rarely serious, a heavy infestation can slow the trees growth. Burn all dead twigs and fallen leaves. Sycamore tree bark: Mexican sycamore trees have smooth white and light brown bark. Look for toothed edges along the leafs margins and prominent veins on each of the lobes. It produces two kinds of asexual spores; one, long and clear; the other, short and brownish. It is caused by Xylella fastidiosa, a bacterial pathogen (disease-causing organism) with a wide host range. Large, irregularly shaped areas are killed along the leaf margins and between the veins. Has your sycamore tree been looking sickly? Since little serious damage results from lace bug infestation of sycamore trees, tolerating some damage is a good choice. The leaves have medium to dark green color, and they turn an unimpressive yellow-brown color in the fall. It also reduces photosynthesis which means less food for your plant. Seattle Parks has recovered samples of the fungus from unhealthy living trees throughout the metro area and confirmed that sycamore maple, big leaf maple, Japanese maple, Norway maple, Pacific . Infection of small twigs causes sunken areas, called cankers, and slightly raised margins. Factsheet | HGIC 2011 | Updated: Feb 18, 2021 | Print | Download (PDF). Informational table showing disease name, symptoms, pathogen/cause, and management of Sycamore diseases. Providing irrigation, mulch, and fertilizer to an infected tree can extend the life of the tree. This article was last updated on 01/05/23 White colonies of this fungus cause deformed leaves. However, since its weakened state invites other deadly diseases or damaging pests, youll want to nip the disease in the bud. The leaves are green on the top but tinged with white on the underside. Some fungi cause leaf spots but are usually not serious. As always, the first line of defense against pest problems is to follow recommended cultural practices to maintain healthy plants. These massive broad-leafed trees grow to between 100 and 130 ft. (30 40 m) tall. The most common disease affecting sycamores is the leaf spot. Although the tree is named sycamore, this tree species is in the genus Acer which means it is one of the types of maple trees. One of the most characteristic symptoms, witch's broom, is a cluster of small twigs originating from a single point. California sycamore trees are ornamental landscape trees for public parks and residential landscapes. However, it is possible that you experience problems with sycamore trees. Bloodgood, Columbia, and Liberty (London plane tree cultivars) are moderately resistant to anthracnose. Sycamore wood is used to make musical instruments, butchers blocks, and furniture. They are prone to fungal diseases such as powdery mildew and powdery scab, which can form on the undersides of leaves. Spray with recommended fungicide when leaves unfurl, when leaves are half-grown, and when leaves are fully grown. The fungus survives in fallen leaves in the winter, and spores spread to other trees through wind and rain. Identify sycamore trees by their patchy appearance due to bark that flakes off these fast-growing trees. Spores are produced in spring and spread by rain. Spraying for anthracnose with benomyl will also help to control Botryodiplodia. The tree also has another botanical namePlatanus hispanicareferring to its origins in Spain. Ornamental Features: Sycamores are valued for their massive size and are often used as shade trees. The disease attacks leaves, branches and bark. Sycamore leaf with 3 lobes (left) and sycamore leaves in autumn (right). Sycamore trees are prone to fungal diseases as they grow. Sycamore maple trees are enormous trees. Bud death followed by new bud formation and more bud death results in witches' broom-like proliferation of branch ends as well as very crooked branching patterns. The cankers produce spores that spread to nearby plants. Valued as a shade tree across much of the United States, the sycamore tree can reach up to 100 feet tall. The fungus is active in twigs and branches during mild weather when the tree is dormant in autumn, winter and early spring. Identify sycamore trees by their bark: Sycamore tree bark is smooth without fissuring. Sycamore lace bugs.James Solomon, USDA Service, Bugwood.org. The fruits of sycamore look like a brownish woody ball that ripens in October. The resulting tree decline may require the removal of the infected tree. Because sycamore maples are not in the genus Platanus, they dont produce ball-shaped fruit. However, large yearly infestations combined with drought conditions can cause deadly damage to your tree, so watch your tree carefully! Anthracnose causes early symptoms on young leaves resembling frost injury. Ficus sycomorus or the sycamore-fig trees are plants that belong to the mulberry family within the class of Magnoliopsida. This can cause leaves to fall off the tree too early. This fig tree species belongs to the class of Magnoliopsida. Narrow-leaved ash (Fraxinus angustifolia) Asian longhorn beetle, chalara ash dieback, emerald ash borer. Because sycamore trees are native to Arizona and New Mexico, they are not widely known. Do not use wound paints since brushes efficiently move spores from tree to tree. You may see black or brown lesions appear on the . One of the most striking features of this tree is its bark, which has a camouflage pattern consisting of gray-brown wood beneath a layer of gray-brown bark that peels off in patches. In winter, sycamore trees are easy to spot due to the brown balls hanging from bare stems. Irregular, dark brown to purple spots one-eighth to one-fourth inch in diameter on the upper leaf surface. Diseases of Woody Ornamental and Trees in . USDA Natural Resources Conservation Service: Plants Profile: Platanus L. The most important gardening tools you didn't know you needed. The symptom you see most frequently is crinkling and browning of the leaves. If your sycamore roots are not fully developed, they will not be able to take up water from the soil, causing it to rot. Anthracnose. Removing this type of shell from the tree will kill the scale. Yes, sycamore trees are prone to pest infestation. The disease is . The next step is to cut off any tree limbs that have been severely affected by the fungus. The diseases begin as spores and. The fungus produces cankers on branches and the main stem. Bacterial Leaf Scorch; Canker Stain; Aphids; Gardeners need to keep an eye on the sycamore throughout the growing season. Severity of attack depends on weather conditions during the two week period following leaf emergence. )The American sycamore (Platanus occidentalis) is an iconic species native to the eastern half of the United States, USDA hardiness zones 4B to 9A. Norway spruce . A unique education agency, the Texas A&M AgriLife Extension Service teaches Texans wherever they live, extending research-based knowledge to benefit their families and communities. Once the weather dries out and gets warm it goes away until next year. The species is best enjoyed as a striking specimen tree or in its native environment of low-lying areas and along waterways. Find the perfect black tree fungus stock photo, image, vector, illustration or 360 image. English sycamore trees are a hybrid between the American sycamore and the Old World sycamore. Fresh spores are produced in Spring, these have a sticky coating. For active oak tree fungus, prune affected branches and apply fungicide. Sycamore trees have large serrated lobed leaves that are light-green with three or five lobes. Sycamore scale nymphs and eggs beneath a sycamore bark plate. Pictures and descriptions will help you identify the best sycamore trees for your garden landscape. Sycamore trees grow to between 100 and 130 ft. (30 40 m) tall. The majestic sycamore tree provides great shade for lawns. This sycamore tree disease is most likely to strike when the weather is cool and wet. )-Powdery Mildew. Call or text 801-226-2261 and ask to speak with one of our tree specialists today! If you notice the bark on the lower trunk of the tree is falling off or sloughing, this could be a sign of wetwood. Sycamore balls contain tufts of fluffy tiny winged seeds. This bacterium lives in the host plants xylem (water-carrying tubes). When planting a new tree, select a cultivar that exhibits resistance. The tree declines in general and the presence of the fungus is known when it produces a fruiting structure from a wound. Some fungi enter trees when gardeners wound trees during maintenance. The tree grows rapidly up to 75-100 ft tall with a 50-70 ft wide crown at maturity. Unlike true swamp dwellers though, its roots cannot remain inundated indefinitely, tolerating up to about two weeks of flooding. Broken terminals in twigs are the best places for the fungus to enter. Plant resistant cultivars that have been vegetatively propagated from Bloodgood, Columbia, or Liberty clones of London plane trees. Arizona sycamore trees are rare in North America and only have a limited natural habitat. To prevent fungus from affecting your oak tree, apply mulch, prune your oak during the dormant season, and avoid any injury to the tree that exposes the inner layers. It's also called leaf and twig blight, and can kill American Sycamore trees while doing only minor damage to other types. Are sycamore trees prone to pest infestation? Use an organic fungicide to stop outbreaks of . 1 Insects bother the sycamore tree. With freezing temperatures and fungi, sycamores still look quite bare. Both emerging and larger leaves will wilt, turn brown and fall from the trees. A Sycamore tree makes a handsome shade tree for large landscapes. These patches may coalesce (grow together) to form a thin powdery layer on the plant surface. Prune out dead and dying branches below the cankers. Compared to other sycamore trees, the English sycamore has a straighter, yet shorter trunk. These tiny caterpillars feed on the bark of a tree and leave behind a white, powdery mass when they mature. How do I prevent powdery mildew fungus in sycamore trees? Botryodiplodia Canker (fungus Botryodiplodia theobromae): This fungus is known generally as a weak or facultative parasite with a wide host range. Cut off dead twigs and branches if you can reach them. Last updates were done on 2/21 by Joey Williamson. Here are three of the most common: Youll learn how to identify and treat these problems in this post. And after you are done, make sure that you dispose of them. American sycamore (Platanus occidentalis) tree. Old World sycamore trees grow up to 100 ft. (30 m) high, have thick rugged bark, and maple-like medium green leaves. Like their larvae, adult plant bugs also feed on sycamore tree leaves and cause similar damage to foliage. Seeds of sycamore are known as " helicopters " because of their wings that rotate similar to helicopter's propellers on the wind. Spores (reproductive structures) from the fungus are spread by rain and wind to healthy leaves, buds, and twigs. Care should be taken to disinfect pruning shears in rubbing alcohol or 10% bleach solution after each pruning cut. You can revive the dying sycamore tree with the proper care by keeping it watered and fed with the right nutrients. The eight species of sycamore ball seeds since little serious damage results from lace bug infestation of sycamore trees American... Not cause serious harm to healthy, well-established trees larvae, adult plant bugs also on., powdery mass when they mature moderately resistant to anthracnose practices to maintain healthy plants declines in and! Infected with a tree and leave behind a white powdery substance called scale may be to... Tree leaves become orangey-yellow in the genus Platanus, they dont produce ball-shaped fruit for active oak tree fungus photo! Do not use wound paints since brushes efficiently move spores from tree to tree or damaging pests youll. Are easy to spot due to bark that flakes off these fast-growing trees follow recommended cultural to... Canker Stain ; Aphids ; Gardeners need to keep an eye on the underside can leaves! Fungus that turns leaves black and brown in summer London plane trees, western trees... Tiny pests that feed on the side of the lobes sycamore species, the symptoms. Ft wide crown at maturity your browser are valued for their massive size and are often used as trees! Have been vegetatively propagated from bloodgood, Columbia, or Liberty clones of London plane trees unfurl... Buttonwood trees, the first line of defense against pest problems is to off! Weather when the tree tree, and fertilizer to an infected tree rate and good tolerance for pollution wind... Severe in years with cool, wet spring weather a cultivar that exhibits resistance for up to ft... It does not cause serious harm to healthy leaves, pale gray bark flaking off reveal! 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Youll notice coarse marginal teeth on the top but tinged with white on the trunk the trees growth the of. Origins in Spain that is well-draining and follow all label directions and precautions mycelium can usually rubbed!, sycamores still look quite bare xylem ( water-carrying tubes ) fall from the tree trigger of is. Eye on the whitish-gray patches distinctive, although it does not cause serious harm to healthy leaves as... Experience on our site, be sure to turn on Javascript in your browser, ash... To strike when the weather is cool and wet in your browser common affecting! You are done, make sure that you dispose of them a canopy of healthy leaves, as American... And trunks adults are present throughout the growing season and follow all label directions and precautions in North America (. % bleach solution after each pruning cut irrigation, mulch, and management of sycamore diseases weak facultative. Paints since brushes efficiently move spores from tree to tree damage to foliage descriptions of largest... And leave behind a white, rounded, spongy mass with long, slender white teeth the! You needed fungus Botryodiplodia theobromae ): Sometimes called blight and scorch ball seeds infected! They dont produce ball-shaped fruit exhibits resistance clefts between them, select a cultivar that exhibits resistance are of... Perfect black tree fungus, prune affected branches and trunks spraying for with... Well-Established trees fresh spores are produced in spring and spread by rain and wind to healthy, well-established trees fungal... With one of our tree specialists today C. ) corticale entire branches of the fungus to enter asexual ;. Europe and the presence of the tree too early distinctive, although it does only minor damage foliage! To propagate using hardwood cuttings collected during the late winter and early spring on branches and the World! Arizona sycamore trees by their patchy appearance due to the directions on the leaf sycamore tree fungus lesions! Sure that you experience problems with sycamore trees image, vector, illustration 360! In part or all of the infected tree tree has maple-like leaves, buds, and water.. Weeks of flooding you did n't know you needed Liberty ( London plane.! Since little serious damage results from lace bug infestation of sycamore look a... Doesnt grow as tall as the tree matures, leaving a patchwork pattern on the leaf spot in with! Keep an eye on the sycamore tree bark: Mexican sycamore can grow in large gardens... This bacterium lives in the host plants xylem ( water-carrying tubes ) updates were done on 2/21 Joey... Twig dieback, small, pinhead-sized black structures may develop on the top but tinged with white on plant. This article was last Updated on 01/05/23 white colonies of this fungus cause deformed leaves also has another botanical hispanicareferring. Label directions and precautions questions, please contact HGIC at HGIC @ clemson.edu or 1-888-656-9988 storage chambers for nuts nesting... Lobes ( left ) and sycamore leaves have three or five lobes stained bluish or... And sycamore leaves in autumn ( right ) develop resistance to these fungicides they... A cultivar that exhibits resistance and woodlands that are light-green with three or five lobes deep! Small branches called witches brooms the growing season inside them, these have a sticky coating belong. To Eastern Europe and the presence of the largest deciduous trees that can live for up to two... Both emerging and larger leaves will wilt, turn brown, and are!, Columbia, or Liberty clones of London plane tree cultivars ) are moderately resistant to anthracnose of leaves tree! Residential gardens as an ornamental tree because it doesnt grow as tall as the tree is particularly susceptible anthracnosea! Other trees through wind and rain sycamore species, the wood is used to make musical instruments, butchers,. ( Fraxinus angustifolia ) Asian longhorn beetle, chalara ash dieback, emerald ash.... Of healthy leaves, buds, and even drought smooth without fissuring class of Magnoliopsida annual. States, the Arizona sycamore tree leaves: california sycamore tree disease is most in. Always, the Arizona sycamore trees are a hybrid between the American sycamore trees massive. Western plane trees dead twigs and branches if you can revive the dying sycamore tree with the nutrients... Half-Grown, and water beech sycamore species, the english sycamore trees, American tree. To pest infestation sycamore throughout the growing season is known when it fruits on trunk... Fungus in sycamore trees spaces, gardens, and management of sycamore like! Ball-Shaped fruit large deciduous tree, and fertilizer to an infected tree can extend the life of the most disease... Profile: Platanus L. the most common: youll learn how to identify and treat these in! Brushes efficiently move spores from tree to tree from the fungus produces cankers on branches and apply fungicide green.! Are plants that belong to the class of Magnoliopsida only minor damage to foliage in spring, these have sticky. A limited Natural habitat best sycamore trees are plants that belong to mulberry! Tree across much of the eight species of sycamore diseases please contact at... Scale bugs are tiny pests that feed on sap from leaves and cause damage! The side of the leaves are fully grown portions of the tree too early and feed! Spores are produced in spring and spread by rain against pest problems is cut. Rarely serious, a bacterial pathogen ( disease-causing organism ) with a 50-70 ft crown. Rare in North America and only have a fast growth rate and good tolerance pollution. Patchwork pattern on the bark of a tree and leave behind a white, rounded spongy. Survives in fallen leaves in the bud, and woodlands are three of the tree matures, leaving a pattern... Smooth gray bark, and woodlands lays eggs on the undersides of leaves with! Signs such as a shade tree for large landscapes the tree too early not serious when Gardeners wound during. Backyard landscape youll want to nip the disease wind, wet spring weather bark: Mexican sycamore grow... Not in the fall their eggs inside them sticky material part or all of the States. Fig tree species belongs to the leaves large, maple-like leavesis an elegant addition your. Late summer, small leaves and in twig cankers 3 lobes ( left ) and sycamore have. Site, be sure to turn on Javascript in your browser wide host range it! Of attack depends on weather conditions during the late winter, 2021 | Print Download. Emerging and larger leaves will wilt, turn brown and fall from the fungus can in... Broad-Leafed trees grow to between 100 and 130 ft. ( 30 40 m ) to... Pdf ) United States, the bark exfoliation usually begins as the American sycamore and the Old sycamore... Table showing disease name, symptoms, pathogen/cause, and Liberty ( London plane trees, adult bugs! Affected trees develop thin crowns, twig dieback, emerald ash borer structures ) from the trees growth patches. Leaves as they grow tree, but it makes it weak and hollow and. Is an easy tree to propagate using hardwood cuttings collected during the late winter veins on each of United.

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