The .gov means it’s official.Federal government websites always use a .gov or .mil domain. It was first observed in 1976 affecting a population of Cornus nuttallii in Washington state (Byther and Davidson 1979). Montgomery, and K. Langdon. In early autumn, it … Nov., Cause of Dogwood Anthracnose. Mature trees can grow to 10m. Daughtrey, M.L., C.R. This specimen is also hearty, in that it perseveres transplantation and responds rather well to pruning. National strategy for special forest products. Provides state, county, point and GIS data. Fall color is purplish to red. This varied group of plants give great garden value. USDA Forest Service—Southern Region Forest Pest Management, Asheville, North Carolina. Although the origin of dogwood anthracnose is unknown, the results of DNA analysis combined with its rapid spread have led many to conclude it was introduced (Daughtrey et al. Dogwood Lake is a 3.5-acre waterbody in Trumbull, Connecticut. (ed.). 2001. Drought and winter injury appear to increase susceptibility (Daughtrey and Hibben 1994). Horticulture Diagnostic Laboratory. Species include the common dogwood Cornus sanguinea of Eurasia, the widely cultivated flowering dogwood (Cornus florida) of eastern North America, the Pacific dogwood Cornus nuttallii of western … Visually appealing and magnets for wildlife, these plants are bound to please both the gardener and naturalist in you. Their loss could hasten soil acidification, reduce nutrient availability, and influence numerous ecological relationships (Daughtrey and Hibben 1994). This species is invasive, but is considered a wetland plant, so it is not counted as invasive in our survey. Dogwood trees are dependent on surface moisture because root networks don't penetrate to water reserves that may lie deeper beneath the slightly acidic well-draining soil they prefer. is dogwood invasive. Anderson, R.L., J.L. Erythrina Gall Wasp. Plant Disease. Disease severity within infected areas also has increased rapidly. The DNR is working with citizens and partners to slow the spread of invasive species. Leaf buds are black and look like bristles, forming on short stalks. and M.T. 3(2):20-21. Discula destructiva is a fungus that has caused serious losses to North American native flowering dogwood (Cornus florida) and other native and introduced species (C. nuttallii and C. kousa, respectively) of dogwood found in the natural environment and in ornamental plantings. Dogwood anthracnose in northeastern United States. The health of southern forests. Swank. In 1983, the fungus associated with the anthracnose on C. nuttallii was identified as a species of Discula, and flowering dogwood ( Cornus florida) and Japanese dogwood ( Cornus kousa) were noted as minor hosts (Salogga and Ammirati 1983), but C. Florida is now known as a major host that is impacted by this disease. 77: 34-37. Large C. florida often die two to three years after the first symptoms are found in the leaves (Anderson et al. Some, like sericea lespedeza, honeylocust, johnson grass, sumac, dogwood, and eastern red ceder, are present in some areas in large, monotypic stands. ... 12 Species of Dogwood Trees and Shrubs 7 Species of Daisies for Your Flower Garden 18 Species of Holly Plants Results of the 1991 dogwood anthracnose impact assessment and pilot test in the southeastern United States. Northern Swamp Dogwood. Beyond this aesthetic loss, the absence of native dogwoods and their fruits is probably detrimental to wildlife. Dogwood anthracnose. Disease severity in the South seems to be more intense at higher elevations. Of the 17 species of dogwood native to North America, the four most common garden types are native flowering dogwoods, Pacific dogwood, Cornelian cherry dogwood and kousa dogwoods. Discula sp. At elevations below 2,000 feet, only dogwoods in cool, wet areas are dying (Anderson et al. 2015-41595-24254 from the USDA National Institute of Food and Agriculture. Table 1 identifies a selection of alternative plants, trees and shrubs (categories A to M) that can be used in place of invasive species. Proceedings of the Sixth Annual Regional Dogwood Workshop. Apply the mulch of your choice such as bark chips 3 to 4 inches deep over roots to hold in moisture. This species is less prone to becoming invasive than most species on this list. 1988. Hibben, K.O. Leaf spots vary according to light exposure. Website developed by The University of Georgia - Center for Invasive Species and Ecosystem Health and the National Park Service in cooperation with the Invasive Plant Atlas of New England, Invasive Plant Control, Inc., USDA Forest Service, Cornus florida, the flowering dogwood, is a species of flowering tree in the family Cornaceae native to eastern North America and northern Mexico.An endemic population once spanned from southernmost coastal Maine south to northern Florida and west to the Mississippi River. Latin Name Common Name . Dogwood Tree Types. Daughtrey, J.L., C.R. 1994). Annual Review of Photopathology. Britton, and W.T. An organization’s internal relationships and balance affect how the organization relates to its clients and the external environment. Plant Disease. 1996). Ophiostoma ulmi. Extension Service. Britton, K.O. Ornamentals Northwest Newsletter. Figures 2-4. Britton, M.T. Also known as Chinese dogwood, Korean dogwood, or Japanese dogwood, the Kousa dogwood is a small deciduous tree or multi-stemmed shrub. It grows up to a height of 4 to 15 feet, and its subgenera are Swida. Dogwood leaves also have a high calcium content and decompose rapidly. 2001. In the Southern Appalachians, mortality is most likely at elevations above 3,000 feet. Red-osier dogwood is by far our most common native dogwood. Buddleia davidii is not the only shrub that has turned out to be invasive. 16 of 20. Regeneration can be eliminated in some areas. Dogwood - A Plant for all Seasons No matter where you live in Canada, chances are there is a dogwood for you. February 24: 34-37. 1992. 1). 1996) Dogwood Anthracnose | National Invasive Species Information Center Overall, vigorous trees tend to be less damaged than weak trees. Brown. Landscape, Nursery, and Urban Forestry Program. This species is known as Cornus racemose. 77:34-36. Alder Dieback. Fungal disease of flowering dogwood (Cornus florida) and Pacific dogwood (Cornus nuttallii) trees (Daughtrey et al. Figures 5-6. In the GSMNP, it is estimated that more than 90 percent of the dogwoods have died in heavily shaded cove and alluvial forests. The Plants Database includes the following 29 species of Cornus .Click below on a thumbnail map or name for species profiles. It is native to Eastern North America and is hardy in USDA zones 4 to 8. Emerald Ash Borer. Anthracnose was monitored on permanent plots in the Great Smoky Mountain National Park (GSMNP) from 1988-1991 (Windham et al. Introduced, Invasive, and Noxious Plants : Threatened & Endangered: Wetland Indicator Status : 50,000+ Plant Images ... Cornus L. – dogwood Species: Cornus drummondii C.A. Britton et al. 80:349-357. Distinctive white flowers, 3″ in diameter, bloom mid-April to mid-May. 76:915-918. 1983. Hibben, K.O. Windham, and S.C. Redlin. Dogwood anthracnose and its spread in the South. University of Georgia. USDA Forest Service. Dogwood fruits, rich in fat and protein, are a preferred food for turkeys, bobwhite quail, squirrels, rabbits, and deer, as well as numerous non-game species of birds. References Cited In native habitats such as sedge meadows and fens in North America, C. sericea colonizes far from clones of shrub by seed, but also advances via spreading (B Middleton, National Wetlands Research Center, Louisiana, USA, … Want create site? Canadian Forest Service. ... Bill was responsible for our invasive species strategy and deployment while I was at The Nature Conservancy. Found 59 Resources Page 1 of 1. The bark is grey and smooth with shallow ridges which develop with age, and its twigs are smooth, straight and slim. 72:199-203. Southern Region. Cornell University. There is only one genus of dogwood in Canada — Cornus — but its species come in a variety of shapes and sizes. In: J. L. Knighten and R. L. Anderson (eds.). 365 (Abstr.). Understory forest dogwoods are more prone to infection than trees growing in full sunlight. 2 and 3), (2) shot holes, (3) necrotic blotches at the leaf tip or along the blade periphery, or (4) blight of the entire blade (Hibben and Daughtrey 1988) (Fig. Amylostereum complex. National Invasive Species Information Center, Alien Forest Pest Explorer (AFPE): Alien Pest Range Maps, Early Detection & Distribution Mapping System (EDDMapS) - Dogwood Anthracnose, Gallery of Pests - Dogwood Anthracnose Disease, Invasive Plant Atlas of the United States - Dogwood Anthracnose, Plantwise Technical Factsheet - Anthracnose of Dogwood (, Dogwood Anthracnose and its Spread in the South (PDF | 483 KB), How to Identify and Control Dogwood Anthracnose, Forest Invasive Alien Species - Dogwood Anthracnose, Dogwood Anthracnose - Integrated Pest Management Solutions for the Landscaping Professional (PDF | 100 KB), Fact Sheet: Dogwood Anthracnose (PDF | 245 KB), Ground Covers, Trees, Shrubs, and Woody Ornamentals Fact Sheets, Dogwood Anthracnose - Plant Pathology Fact Sheet (Nov 2005) (PDF | 205 KB), Diagnostic Facts: Dogwood Anthracnose (Mar 2002) (PDF | 746 KB), Anthracnose Diseases of Dogwood (PDF | 313 KB), Anthracnose of Flowering Dogwood (PDF | 424 KB), Discula "Dogwood" Anthracnose - Pest Fact Sheet 39, Fact Sheets - Diseases: Dogwood Anthracnose, Pacific Northwest Plant Disease Management Handbook - Dogwood (, Patterns of evolution in Discula fungi and the origin of dogwood anthracnose in North America, studied using arbitrarily amplified and ribosomal DNA, Dogwood anthracnose: understanding a disease new to North America. University of New Hampshire. University of Massachusetts Extension. Figure 1. Discula destructiva sp. Maps can be downloaded and shared. Engaging and empowering the public to help find, map, and prevent invasive species in America's wilderness areas, wild rivers, and other natural areas. Control and eradication, a primary management goal, is an ongoing challenge. Defoliation of affected dogwoods is common in the Southern Appalachians (Britton 1993, Daughtrey and Hibben 1994). Mycologia. 1996. It produces an abundant display of yellowish-green flowers in spring and pinkish-red berries in summer. U.S. Forest Service Protection Report R8-PR 23. and R.M. 1996), Fungal disease of flowering dogwood (Cornus florida) and Pacific dogwood (Cornus nuttallii) trees (Daughtrey et al. Dogwood anthracnose is a relatively new disease to North America. Hibben, C.R., and M.L. Parasitic fungus affects region’s dogwood. The disease kills dogwoods of all sizes, but it is most severe on young seedlings. Trigiano, and M.T. Trees that survive one or more seasons of severe anthracnose usually have swollen areas on trunks and branches where cankers were enveloped by new tissue (Daughtrey and Hibben 1994). Invasive plants, animals and pests are taking a toll on Wisconsin's lakes, rivers and landscapes. Hibben. 1994. University of Kentucky. – roughleaf dogwood Subordinate Taxa. This plant has no children Legal Status. 1980. dikti / Getty Images Latin Name: Various species of Lantana can be invasive. Oregon State University. A species profile for Dogwood Anthracnose. University of Arkansas. Shrubby Cornus alba , C. sericea and C. sanguinea are grown for their vivid winter stem colour, while shrubby C.mas (the cornelian cherry) is grown for its winter flowers and summer fruits. associated with anthracnose of dogwood in the Pacific Northwest. Below 3,000 feet, damage is most severe on moist, cool sites such as northeast-facing slopes (Chellemi et al. The dogwoods are distinguished from other flowering shrubs by the clusters of small, 4-petaled white flowers and opposite (except for 1 species) leaves that are toothless and have prominent, arching, lateral veins. 1992). Michigan State University. Redlin, S.C. 1991. Top of page The North American species Cornus florida (flowering dogwood) and C. nuttallii (Pacific dogwood) are particularly susceptible. Cooperative Extension Service. C. kousa also is considered a host, but leaf infection is generally minimal (Daughtrey et al. Daughtrey, M.L. This work is supported by New Technologies for Agriculture Extension grant no. Leaf symptoms on C. florida generally occur within four weeks after flowering (Britton 1993, Hibben and Daughtrey 1988). As of 1999, anthracnose had killed 49.7 percent of the native dogwood trees in 24 western counties of North Carolina (USFS 2001). Federal government websites always use a .gov or .mil domain. Spring flowering of forest dogwoods enhances the aesthetic quality of forest landscapes and is important for tourism. Natural Resources Canada. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar. 1996). Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture. Byther, R.S. 1993, Daughtrey and Hibben 1983). Clusters of glossy red fruit in fall persist into winter and are relished by birds. Symptoms include: (1) necrotic lesions surrounded by a reddish or brown-purple zone (some with chlorotic halo) (Fig. The flowering dogwood (Cornus florida) is the species most people think of when the word dogwood is mentioned.Although it is considered one of the favorite trees in the south, there are two other species, kousa dogwood (Cornus kousa) and Cornelian cherry dogwood (Cornus mas), which will grow in all areas of South Carolina except along the coast from Charleston to Savannah, Ga. Images of dogwood anthracnose symptoms. Hibben. Discula destructiva Redlin (1991) (Redlin 1991), First detected in the late 1970s (Daughtrey et al. Dogwood anthracnose has been reported on over 12 million acres in 180 counties (Anderson et al. Unfortunately, much of the lake is occupied by the two invasive species: Brazilian waterweed and parrotfeather. Anthracnose infection of dogwood seedlings exposed to natural inoculum in western North Carolina. Dogwood; Hebes; Lavender (good for butterflies) Mahonia; Currants (Rubus) Thyme; Viburnums; Are there any other shrubs I should avoid? Bugwood Wiki was created to be a resource for those needing information on Integrated Pest Management, Invasive Species and … Dutch Elm Disease. Center for Invasive Species and Ecosystem Health. The species reproduces vegetatively by rooting along nodes and the lower stems ( EPPO, 2009b ). Discula destructiva sp. Bugwood Wiki. It is listed as a black listed invasive species in Switzerland (EPPO, 2009b). Environmental factors influence dogwood’s susceptibility to the disease. 1994). Dogwood anthracnose affects leaves, bracts, current-year shoots, localized areas of bark and cambium of the trunk or branches, fruits, and seeds of C. florida (Britton et al. This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. Other names for this tree include Gray dogwood and panicled dogwood. Flowering Cornus (dogwood) trees are grown for their showy coloured bracts in late spring and early summer. Anthracnose causes serious damage to two species of dogwood in natural habitats: eastern flowering dogwood (C. florida) and Pacific dogwood (C. nuttallii). Researchers also speculate that climatic changes and droughts may have predisposed trees to infection, thus causing coincidental outbreaks in the Northeast and the Pacific Northwest (Anderson et al. Infection of dogwoods is most likely to occur during cool, wet weather in spring and fall but can also occur at any time during the growing season. Secondary cycles of leaf infection during rainy periods increase the impact of anthracnose on dogwoods (Britton 1993, Hibben and Daughtrey 1988). Both Flint Hills National Wildlife Refuge's wetlands and uplands have been impacted by invasive plant species. 8 p. Windham, M.T., M.E. Images of dogwood anthracnose infections. Current Genetics 39(5-6):346-354. 1983. 1996). Invasive Species. Seattle Public Utilities (Washington). Mycologia 83(5):633-642. Dogwood anthracnose: understanding a disease new to North America. 1290. Blighting commonly occurs throughout the canopy of understory C. florida, or within the interior canopy or on epicormic branches of exposed trees. In the eastern United States, the disease has spread rapidly down the Appalachians, primarily on Cornus florida, the eastern flowering dogwood. Center for Integrated Plant Systems. that cause anthracnose of ash, oak, and sycamore, Redlin (1991) described and named the pathogen Discula destructiva Redlin in 1991 (Daughtrey and Hibben 1994, Daughtrey et al. Cornus florida ) and Pacific dogwood ( Cornus nuttallii ) trees are grown for showy... Leaves also have a high calcium content and decompose rapidly Thomas DeGomez, University of Arizona and county distribution and... A wetland Plant, so it is most severe on young seedlings ) and Pacific dogwood ( Cornus nuttallii trees... 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