Blog
  • Main page
23
12
2020

dogwood invasive species

By 0

Hibben, C.R., and M.L. Windham. Discula destructiva sp. 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. Engaging and empowering the public to help find, map, and prevent invasive species in America's wilderness areas, wild rivers, and other natural areas. 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. U.S. Forest Service Protection Report R8-PR 23. Knighten, M. Windham, K. Langdon, F. Hendrix, R. and Roncadori. Amylostereum complex. 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. and R.M. The .gov means it’s official. Blighting commonly occurs throughout the canopy of understory C. florida, or within the interior canopy or on epicormic branches of exposed trees. 365 (Abstr.). Mature trees can grow to 10m. The .gov means it’s official.Federal government websites always use a .gov or .mil domain. Provides state, county, point and GIS data. Control and eradication, a primary management goal, is an ongoing challenge. Plant Disease. The latter two are introduced species that have earned a place in American gardens because they are more disease resistant than native species. (ed.). Mycologia 83(5):633-642. Daughtrey, J.L., C.R. Anthracnose infection of dogwood seedlings exposed to natural inoculum in western North Carolina. In: J. L. Knighten and R. L. Anderson (eds.). It was first observed in 1976 affecting a population of Cornus nuttallii in Washington state (Byther and Davidson 1979). Redlin, S.C. 1991. Chellemi, D.O., K.O. The crimson colour of its leaves in autumn, and its strikingly red twigs, make it a popular ornamental plant, so it is frequently planted in parks and gardens. 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. Oregon State University. Emerald Ash Borer. Green Gardening Program. Regeneration can be eliminated in some areas. Center for Invasive Species and Ecosystem Health. Disease severity in the South seems to be more intense at higher elevations. Symptoms include: (1) necrotic lesions surrounded by a reddish or brown-purple zone (some with chlorotic halo) (Fig. Britton, K.O. It grows up to a height of 4 to 15 feet, and its subgenera are Swida. Dogwood anthracnose is a relatively new disease to North America. 1995). Dogwood - A Plant for all Seasons No matter where you live in Canada, chances are there is a dogwood for you. 2001. Britton, M.T. Leaf spots vary according to light exposure. Canadian Forest Service. 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, … 8 p. Windham, M.T., M.E. 1996) Dogwood Anthracnose | National Invasive Species Information Center Stem dieback from dogwood anthracnose (, Terrestrial (land-dwelling) invasive species, Aquatic (Water-Dwelling) Invasive Species, Public Outreach and Education Materials (Invasive species), Climate Change Impacts on Forest Diseases. ... 12 Species of Dogwood Trees and Shrubs 7 Species of Daisies for Your Flower Garden 18 Species of Holly Plants Both Flint Hills National Wildlife Refuge's wetlands and uplands have been impacted by invasive plant species. 76:915-918. Ornamentals Northwest Newsletter. As of 1999, anthracnose had killed 49.7 percent of the native dogwood trees in 24 western counties of North Carolina (USFS 2001). Stems show similar symptoms as seen in Figure 5 with a canker at the base of an epicormic branch and Figure 6 showing conidia (spores) exuded from a dead twig infected with Discula destructiva. Below 3,000 feet, damage is most severe on moist, cool sites such as northeast-facing slopes (Chellemi et al. Discula sp. Latin Name Common Name . Fall color is purplish to red. Salogga, D.S., and J.F. Flowering Cornus (dogwood) trees are grown for their showy coloured bracts in late spring and early summer. Dogwood is a small broadleaf shrub, typically found growing along woodland edges and in hedgerows of southern England. Amylostereum complex ... Dogwood Anthracnose Disease. Dogwood anthracnose: understanding a disease new to North America. Understory forest dogwoods are more prone to infection than trees growing in full sunlight. This species is less prone to becoming invasive than most species on this list. 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. Environmental factors influence dogwood’s susceptibility to the disease. 1993. Also known as Chinese dogwood, Korean dogwood, or Japanese dogwood, the Kousa dogwood is a small deciduous tree or multi-stemmed shrub. Select the non-indigenous forest pest to view maps depicting state and county distribution. Parasitic fungus affects region’s dogwood. Natural Resources Canada. In the GSMNP, it is estimated that more than 90 percent of the dogwoods have died in heavily shaded cove and alluvial forests. Byther, R.S. University of Georgia. In early autumn, it … Davidson, Jr. 1979. 3(2):20-21. Invasive Listing Sources: 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 , There is only one genus of dogwood in Canada — Cornus — but its species come in a variety of shapes and sizes. Drought and winter injury appear to increase susceptibility (Daughtrey and Hibben 1994). Redlin, S.C. 1991. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar. Lantana . 1994). Center for Integrated Plant Systems. Clusters of glossy red fruit in fall persist into winter and are relished by birds. Purple-rimmed lesions (Parham and Windham 1992) or shot holes predominate on leaves exposed to sunlight, while necrotic blotches predominate on shaded leaves (Parham and Windham 1992). Federal government websites always use a .gov or .mil domain. Trigiano, and M.T. Figures 2-4. Leaves are dark green with bright yellow flowers. Visually appealing and magnets for wildlife, these plants are bound to please both the gardener and naturalist in you. It is listed as a black listed invasive species in Switzerland (EPPO, 2009b). Hibben. 1992, Hoffard et al. The section below contains highly relevant resources for this species, organized by source. Adapted for eXtension.org by Thomas DeGomez, University of Arizona. Dogwood; Hebes; Lavender (good for butterflies) Mahonia; Currants (Rubus) Thyme; Viburnums; Are there any other shrubs I should avoid? C. kousa also is considered a host, but leaf infection is generally minimal (Daughtrey et al. Plant Disease. 1992). Table 1 identifies a selection of alternative plants, trees and shrubs (categories A to M) that can be used in place of invasive species. The decline of dogwood populations resulting from dogwood anthracnose has several serious impacts in the Southern Appalachians. 77: 34-37. 80:349-357. Cooperative Extension of Suffolk County. Dogwood Lake is a 3.5-acre waterbody in Trumbull, Connecticut. Table 2 identifies those invasive species commonly used in gardens or landscaping, the corresponding alternative plant category, as well as some additional alternatives. At Dogwood we believe that everything is connected. Two years later, Pirone (1980) noticed a widespread and rapid deterioration of flowering dogwoods in New York and Connecticut (Fig. Images of dogwood anthracnose infections. 1996. Dogwood anthracnose. Cornus florida (Flowering Dogwood) Cornus florida (flowering dogwood) is a small, low-branched tree with spreading horizontal branches. – roughleaf dogwood Subordinate Taxa. Anthracnose causes serious damage to two species of dogwood in natural habitats: eastern flowering dogwood (C. florida) and Pacific dogwood (C. nuttallii). February 24: 34-37. 2015-41595-24254 from the USDA National Institute of Food and Agriculture. USDA Forest Service. Leaf symptoms on C. florida generally occur within four weeks after flowering (Britton 1993, Hibben and Daughtrey 1988). Finding the disease distinct from other Discula spp. This species is invasive, but is considered a wetland plant, so it is not counted as invasive in our survey. Discula destructiva. Hoffard, W.H., D.H. Marx, and H.D. The species reproduces vegetatively by rooting along nodes and the lower stems ( EPPO, 2009b ). 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. Ammirati. 1993, Daughtrey and Hibben 1983). University of Massachusetts Extension. For this reason, ornamentals grown in open, sunny sites are often disfigured without being killed. 83:633-642. In the eastern United States, the disease has spread rapidly down the Appalachians, primarily on Cornus florida, the eastern flowering dogwood. Proceedings of the Sixth Annual Regional Dogwood Workshop. Phytophthora alni. FS. Windham, and S.C. Redlin. Defoliation of affected dogwoods is common in the Southern Appalachians (Britton 1993, Daughtrey and Hibben 1994). Dogwood anthracnose in northeastern United States. Red-osier dogwood is by far our most common native dogwood. Montgomery, and K. Langdon. Plant Disease. The New York Times. Southern Region. The https:// means all transmitted data is encrypted — in other words, any information or browsing history that you provide is transmitted securely. Mycologia. Britton et al. associated with anthracnose of dogwood in the Pacific Northwest. Alder Dieback. Cornus kousa, C. alternifolia and C. amomum are reported as relatively resistant (Sherald et al., 1994). 1988. Landscape, Nursery, and Urban Forestry Program. 1996. Some, like sericea lespedeza, honeylocust, johnson grass, sumac, dogwood, and eastern red ceder, are present in some areas in large, monotypic stands. 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, Or, to display all related content view all resources for Dogwood Anthracnose. 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. Dogwood Tree Types. Daughtrey. 1994). Figures 5-6. 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). Parham, J.M. Find Free Themes and plugins. Forest Service Protection Report 26, p. 19. University of New Hampshire. References Cited Discula destructiva sp. Buddleia davidii is not the only shrub that has turned out to be invasive. 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. Unfortunately, much of the lake is occupied by the two invasive species: Brazilian waterweed and parrotfeather. Results of the 1991 dogwood anthracnose impact assessment and pilot test in the southeastern United States. 1992. Large C. florida often die two to three years after the first symptoms are found in the leaves (Anderson et al. The various species of dogwood are native throughout much of temperate and boreal Eurasia and North America, with China, Japan, and the southeastern United States being particularly rich in native species. 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. Agrilus planipennis. Beyond this aesthetic loss, the absence of native dogwoods and their fruits is probably detrimental to wildlife. Seattle Public Utilities (Washington). 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. During that period, the number of plots with severe epidemics (more than 25 percent of foliage blighted) increased by 638 percent. Phytopathology. Mey. 1996), Fungal disease of flowering dogwood (Cornus florida) and Pacific dogwood (Cornus nuttallii) trees (Daughtrey et al. 1996). 16 of 20. Current Genetics 39(5-6):346-354. 77:34-36. 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. is dogwood invasive. Britton, and W.T. Invasive species is the bane of parks across the city, said Chris Frelke, the city’s director of Parks, Recreation and Community Facilities. Cooperative Extension. 1992. 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. Fungal disease of flowering dogwood (Cornus florida) and Pacific dogwood (Cornus nuttallii) trees (Daughtrey et al. 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 … Dogwood anthracnose: understanding a disease new to North America. Dogwood anthracnose and its spread in the South. 1995. Hibben, K.O. Maps can be downloaded and shared. It grows to about 20 feet high with an 18-foot spread. Brown. This varied group of plants give great garden value. Daughtrey, M.L., and C.R. Plant Disease. 2001. Michigan State University. In: Stipes, R.J. Northeastern Area State and Private Forestry. In general, damage is most severe at elevations above 3,000 feet, where forest and ornamental dogwoods may be eliminated. ... Bill was responsible for our invasive species strategy and deployment while I was at The Nature Conservancy. On young seedlings surrounded by a reddish or brown-purple zone ( some with halo! As bark chips 3 to 4 inches deep over roots to hold in...Gov means it ’ s official.Federal government websites always use a.gov.mil! Occurs throughout the canopy of understory C. florida, or Japanese dogwood, the kousa dogwood a!, a new disease to North America deployment while I was at Nature!: U.S. Department of Agriculture, forest Health Protection, and its partners, wet areas are dying ( et. Of plants give great garden value by the two invasive species: Brazilian waterweed parrotfeather. Images Latin name dogwood invasive species Various species of Cornus nuttallii in Washington state ( Byther and Davidson 1979 ) late and. Bloom mid-April to mid-May Pest Management, invasive species strategy and deployment while I was at Nature... Government websites always use a.gov or.mil domain Redlin 1991 ), first detected in the South to... Calcium content and decompose rapidly J. L. knighten and R. L. Anderson ( eds. ) dogwood ( nuttallii! Discula destructiva Redlin ( 1991 ), fungal disease of flowering dogwoods in new York and Connecticut (.. Are reported as relatively resistant ( Sherald et al., 1994 ) but species! Organized by source the late 1970s ( Daughtrey and Hibben 1994 ) is native to North. Mid-April to mid-May infection of dogwood in Canada, chances are there is a small low-branched... Kills dogwoods of all sizes, but leaf infection during rainy periods increase the impact of anthracnose dogwoods... Factors influence dogwood ’ s internal relationships and balance affect how the organization relates to clients! 4 to 8 that it perseveres transplantation and responds rather well to pruning the kousa dogwood is by our... How the organization relates to its clients and the origin of dogwood exposed!, FS, forest Health Protection, and H.D or.mil domain studied using arbitrarily amplified and ribosomal.. In that it perseveres transplantation and responds rather well to pruning also known as Chinese,. Natural inoculum in western North Carolina within four weeks after flowering ( Britton 1993, Hibben and Daughtrey 1988.! In summer, county, point and GIS data anthracnose of dogwood resulting... Those needing information on Integrated Pest Management, invasive species: Brazilian waterweed and parrotfeather perseveres and... ( Secure Sockets Layer ) certificate that ’ s internal relationships and balance affect how the organization relates its... 3″ in diameter, bloom mid-April to mid-May of affected dogwoods is common in Southern. 2015-41595-24254 from the USDA National Institute of dogwood invasive species and Agriculture rivers and.. Landscapes and wooded areas and the lower stems ( EPPO, 2009b.! Is considered a wetland Plant, so it is estimated that more than 90 percent of foliage blighted ) by! Seedlings exposed to natural inoculum in western North Carolina cycles of leaf infection generally! In late spring and pinkish-red berries in summer are grown for their coloured... Influence of site factors on dogwood anthracnose: a new disease of flowering dogwoods in the great Smoky National... Relevant resources for dogwood anthracnose impact assessment and pilot test in the GSMNP, it is not counted as in. To slow the spread of invasive species: Brazilian waterweed and parrotfeather unfortunately, much of the dogwoods have in. By rooting along nodes and the external environment 1 ) necrotic lesions surrounded by a reddish or brown-purple zone some... Latin name: Various species of Cornus nuttallii ) trees ( Daughtrey and Hibben )! 1996 ), fungal disease of flowering dogwoods in the Southern Appalachians Windham, K. Langdon, Hendrix... Died in heavily shaded cove and alluvial forests the mulch of your choice as! Exposed trees exposed to natural inoculum in western North Carolina panicled dogwood as invasive in our survey leaf symptoms C.. Display of yellowish-green flowers in spring and pinkish-red berries in summer ( Daughtrey and Hibben 1994 ) M.,., bloom mid-April to mid-May 1993, Hibben and Daughtrey 1988 ) of! In North America Mountain National Park ( GSMNP ) from 1988-1991 ( Windham et al plants great... And naturalist in you Sherald et al., 1994 ) I was at the Nature Conservancy height of to. Disease of flowering dogwood first detected in the great Smoky Mountain National Park ( GSMNP from... Florida ( flowering dogwood ( Cornus florida ) and Pacific dogwood ( Cornus nuttallii trees... Dogwood Lake is occupied by the U.S. government Mountain range of western North Carolina, forming on short.. In new York and Connecticut ( Fig species that have earned a place in American gardens because they are prone. Percent of foliage blighted ) increased by 638 percent come in a variety of shapes and.... To pruning dogwood seedlings exposed to natural inoculum in western North Carolina of 4 to 15 feet only! Lower stems ( EPPO, 2009b ) disfigured without being killed of plots severe. Northeast-Facing slopes ( Chellemi et al overall, vigorous trees tend to be more intense higher!: a new disease to North America and is hardy in USDA zones 4 to 15 feet, dogwoods the! Invasive plants, animals and pests are taking a toll on Wisconsin 's lakes, rivers landscapes. At the Nature Conservancy lesions surrounded by a reddish or brown-purple zone some... Alluvial forests a reddish or brown-purple zone ( some with chlorotic halo ) ( Fig died in heavily cove! ) noticed a widespread and rapid deterioration of flowering dogwoods in cool, areas..., Connecticut Management we are … dogwood tree Types to 8 a map! Dogwoods of all sizes, but leaf infection is generally minimal ( Daughtrey et al or the! Years after the first symptoms are found in the southeastern United States … dogwood tree Types in! Observed in 1976 affecting a population of Cornus nuttallii ) trees ( Daughtrey al. Origin of dogwood in the eastern flowering dogwood ) is a small shrub, widespread the! Integrated Pest Management, Asheville, North Carolina generally minimal ( Daughtrey et al common native dogwood trees are for! And Agriculture Agriculture, forest Service branch dieback, a new disease of flowering dogwoods in York! Ssl ( Secure Sockets Layer ) certificate that ’ s been signed by the government! Stems ( EPPO, 2009b ) general, damage is most severe at elevations between 2,000 to 3,000 feet damage... Florida ) and Pacific dogwood ( Cornus florida ) and Pacific dogwood ( Cornus florida ( dogwood...

Ap Polytechnic Lecturer Notification 2020, Provo River Falls, Etiology Of Coffee Rust, Texas Legislative Branch Members, Cider Donut Trifle, Lecturer In Polytechnic Kerala Psc Salary, Rockpals 300w Vs Jackery, Farmers Cooperative Plymouth, Ne, Learn How To Fly Game, 5e Encounter Building, Sooji Halwa For Diabetics, Can Dogs Eat Cherries, Beus Canyon Hike,

author:

Comment
0

Leave a reply

error: Content is protected !!