Cyperus esculentus (yellow nutsedge)
|
|
- Christopher Lloyd
- 5 years ago
- Views:
Transcription
1 Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in Florida using the Australian Weed Risk Assessment. Invasive Plant Science and Management : Cyperus esculentus (yellow nutsedge) Question number Question Answer Score. Is the species highly domesticated? n.2 Has the species become naturalised where grown?.3 Does the species have weedy races? 2. Species suited to Florida's USDA climate zones (-low; -intermediate; 2-high) Quality of climate match data (-low; -intermediate; 2-high) Broad climate suitability (environmental versatility) y 2.4 Native or naturalized in habitats with periodic inundation y 2.5 Does the species have a history of repeated introductions outside its natural y range? 3. Naturalized beyond native range y 3.2 Garden/amenity/disturbance weed y 3.3 Weed of agriculture y 3.4 Environmental weed n 3.5 Congeneric weed y 4. Produces spines, thorns or burrs n 4.2 Allelopathic y 4.3 Parasitic n 4.4 Unpalatable to grazing animals 4.5 Toxic to animals n 4.6 Host for recognised pests and pathogens 4.7 Causes allergies or is otherwise toxic to humans n 4.8 Creates a fire hazard in natural ecosystems n 4.9 Is a shade tolerant plant at some stage of its life cycle n 4. Grows on infertile soils (oligotrophic, limerock, or excessively draining soils) y 4. Climbing or smothering growth habit n 4.2 Forms dense thickets n 5. Aquatic n
2 5.2 Grass n 5.3 Nitrogen fixing woody plant n 5.4 Geophyte y 6. Evidence of substantial reproductive failure in native habitat 6.2 Produces viable seed y 6.3 Hybridizes naturally 6.4 Self-compatible or apomictic 6.5 Requires specialist pollinators n 6.6 Reproduction by vegetative fragmentation y 6.7 Minimum generative time (years) 7. Propagules likely to be dispersed unintentionally (plants growing in heavily y trafficked areas) 7.2 Propagules dispersed intentionally by people y 7.3 Propagules likely to disperse as a produce contaminant y 7.4 Propagules adapted to wind dispersal n 7.5 Propagules water dispersed n 7.6 Propagules bird dispersed? 7.7 Propagules dispersed by other animals (externally) y 7.8 Propagules dispersed by other animals (internally) n 8. Prolific seed production y 8.2 Evidence that a persistent propagule bank is formed (> yr) y 8.3 Well controlled by herbicides y 8.4 Tolerates, or benefits from, mutilation or cultivation n 8.5 Effective natural enemies present in Florida, or east of the continental divide Total Score 9 Outcome Reject* *Used secondary screen from: Daehler, C. C., J.L. Denslow, S. Ansari, and H. Kuo. 24. A risk assessment system for screening out harmful invasive pest plants from Hawaii s and other Pacific islands. Conserv. Biol. 8:
3 section # questions answered satisfy minimum? A 8 yes B yes C 9 yes total 37 yes Data collected Question number Reference Source data. no evidence of selection for reduced weediness Holm, Plucknett, Pancho, and Herberger 2.4. ter Borg, Schippers, van Groenendael, and Rotteveel (998) Cyperus esculentus (yellow local, regional and global scale. Pp Holm, Plucknett, Pancho, and Herberger (977) The World's Worst Weeds: Distribution and Biology. The University 2.5. Wagner, Herbst, and Sohmer (999) Manual of the flowering plants of Hawai'i. University of Hawai'i Press/Bishop Museum Press, Honolulu. 2. Holm, Plucknett, Pancho, and Herberger (977) The World's University 3.. Wagner, Herbst, and Sohmer (999) Manual of the flowering plants of Hawai'i. University of Hawai'i Press/Bishop Museum Press, Honolulu. 2. Holm, Plucknett, Pancho, and Herberger (977) The World's University 3.2 Anderson (999) Perennial Weeds: Characteristics and Identification of Selected very broad distribution throughout North and South America, Africa, Europe, and parts of Asia and Australia. "The original habitat of the species is open wetland vegetation or river banks". 2. Tolerates high soil moisture and replaces other Cyperus spp. in very moist places. Native to southern Europe, Mediterranean region, South Africa, North America, and the Andean region of South America (). Present in several regions outside of that distribution (Australia, west Africa, Caribbean, etc.) (2). Native to southern Europe, Mediterranean region, South Africa, North America, and the Andean region of South America (). A weed in several regions outside of that distribution (Australia, west Africa, Caribbean, etc.) (2). C. esculentus is found in "lawns, 3
4 Herbaceous Species. Iowa State University Press, Ames, Iowa. 3.3 Holm, Plucknett, Pancho, and Herberger 3.4 no evidence 3.5 Holm, Plucknett, Pancho, and Herberger 4. Holm, Plucknett, Pancho, and Herberger 4.2. Reinhardt and Bezuidenhout (2) Growth stage of Cyperus esculentus influences its allelopathic effect on ectomycorrhizal and higher plant species. Journal of Crop Production 4: USDA, NRCS. 25. The PLANTS USA. 4.3 Holm, Plucknett, Pancho, and Herberger USDA, NRCS. 25. The PLANTS USA. 2. Holm, Plucknett, Pancho, and Herberger (977) The World's University USDA, NRCS. 25. The PLANTS USA. 2. Holm, Plucknett, Pancho, and Herberger (977) The World's University gardens, ditch banks, roadsides, and waste areas". It "can grow upward through asphalt pavement, penetrate plastic swimming pool liners " [implies that it is a nuisance] "C. esculentus is a weed in 2 crops in more than 3 countries." "Cyperus rotundus is the world's worst weed." no description of these traits. "The emergence of maize (Zea mays) was retarded in soil where C. esculentus tubers were planted 28 days before planting the crop, irrespective of whether the weeds continued to grow or were physically removed at the time maize was sown." BUT 2. not allelopathic no description of this 4.8 no evidence. no toxicity 2. "In some places the weed is cultivated to obtain the tubers for pig feed.". no toxicity 2. tubers used for human food 4
5 4.9. Holm, Plucknett, Pancho, and Herberger 2. USDA, NRCS. 25. The PLANTS USA. 4. Holm, Plucknett, Pancho, and Herberger. "It is quite intolerant of shade." 2. shade intolerant "The species grows very well on all soil types" 4. USDA, NRCS. 25. The PLANTS USA. growth habit: graminoid 4.2 no evidence 5. terrestrial 5.2 USDA, NRCS. 25. The PLANTS USA. Cyperaceae 5.3 USDA, NRCS. 25. The PLANTS USA. does not fix nitrogen (and Cyperaceae) Holm, Plucknett, Pancho, and Herberger Holm, Plucknett, Pancho, and Herberger Hafliger et al. (982) Monocot Weeds 3. Monocot Weeds Excluding Grasses. CIBA- GEIGY Ltd., Basel, Switzerland Holm, Plucknett, Pancho, and Herberger Rhizomes terminate in single underground tubers. "One tuber produced 36 plants and 332 tubers in the field in 6 weeks In one area it was estimated that there could be more than 3 million tubers per hectare." "The reports of seed production and viability are mixed across the world, but there seems little doubt that large quantities of good seeds can be produced under favorable growing conditions and that this is an important means of distribution of this species." "The Cyperaceae are annual or perennial herbs with inconspicuous flowers which are pollinated by the wind.". "Rhizomes also originate from the basal bulb and the tip turns up to 5
6 2. ter Borg, Schippers, van Groenendael, and Rotteveel (998) Cyperus esculentus (yellow local, regional and global scale. Pp Holm, Plucknett, Pancho, and Herberger 7. Anderson (999) Perennial Weeds: Characteristics and Identification of Selected Herbaceous Species. Iowa State University Press, Ames, Iowa. 7.2 Stephens (23) Chufa - Cyperus esculentus L. var. sativus Boeck. University of Florida, IFAS Extension ( Holm, Plucknett, Pancho, and Herberger 2. ter Borg, Schippers, van Groenendael, and Rotteveel (998) Cyperus esculentus (yellow local, regional and global scale. Pp Holm, Plucknett, Pancho, and Herberger produce a secondary basal bulb. Still other rhizomes grow out to produce underground tubers" 2. "high vegetative reproductive capacity by means of tubers" "One tuber produced 36 plants and 332 tubers in the field in 6 weeks." [vegetative reproduction certainly occurs in less than year] "They spread artificially by their tubers and basal bulbs being dragged from place to place by cultivating tools, carried in soil attached to farm equipment, and transported as stowaways in the soil of ornamental and vegetable transplants" C. esculentus has been cultivated as a livestock food, and occasionally for human consumption.. "The nutgrass tubers become mixed with shelled beans." 2. "The species was brought from America to Europe with gladiolus cormlets which were introduced to widen the material offered to the market." fruit a small achene 7.5 no evidence 7.6 ter Borg, Schippers, van Groenendael, and Rotteveel (998) Cyperus esculentus (yellow local, regional and global scale. Pp "birds (Corvus sp.) were noticed flying with rhizomes, possibly adhering to tubers" 6
7 7.7 ter Borg, Schippers, van Groenendael, and Rotteveel (998) Cyperus esculentus (yellow local, regional and global scale. Pp "various field observations suggest that mice (Microtus sp.) collect and concentrate the tubers as a winter stock" 7.8 sedge 8.. Holm, Plucknett, Pancho, and Herberger. "one seedling could develop a plant system in one season capable of 2. Anderson producing 9, seeds with better than (999) Perennial Weeds: Characteristics and 5-percent viability" 2. "yellow nutsedge Identification of Selected Herbaceous produces an abundance of viable seed, Species. Iowa State University Press, Ames, as much as 5 seed per inflorescence Iowa. with better than 5% viability" 8.2. Holm, Plucknett, Pancho, and Herberger 2. ter Borg, Schippers, van Groenendael, and Rotteveel (998) Cyperus esculentus (yellow local, regional and global scale. Pp Holm, Plucknett, Pancho, and Herberger 8.4 USDA, NRCS. 25. The PLANTS USA. no resprout ability 8.5. "There is a tuber dormancy in C. esculentus"; After a 4-year fallow period, tuber viability was reduced from 72 to 28 percent. 2. "The tubers can stay dormant in the soil for several years, especially at greater depths." An effective sytem for controlling C. esculentus in soybeans included preplanting tillage, late planting of the crop, herbicides, and cultivation. 7
Trachelospermum jasminoides (confederate jasmine)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationPassiflora coriacea (bat-leafed passion flower)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationMalvaviscus penduliflorus (mazapan) Has the species become naturalised where grown? y
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationAustralia/New Zealand Weed Risk Assessment adapted for Florida.
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 2008. Predicting Invasive Plants
More informationPilea nummulariifolia (creeping Charlie)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationRanunculus parviflorus (smallflower buttercup)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationGynura aurantiaca (purple velvet plant)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationFicus pumila (climbing fig)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationCarissa bispinosa (hedgethorn)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationEuphorbia pulcherrima (poinsettia) Has the species become naturalised where grown? n Does the species have weedy races?
Australia/New Zealand Weed Risk Assessment adapted for Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in Florida
More informationCupaniopsis anacardioides (carrotwood)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationPassiflora biflora (twin-flowered passion vine)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationVulpia myuros (rattail fescue)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationAlpinia zerumbet (shellplant)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationCarex ciliatomarginata Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationPhilodendron scandens (heart-leaf philodendron)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationColubrina asiatica (Asiatic colubrina)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationArachis glabrata (perennial peanut) Has the species become naturalised where grown? n Does the species have weedy races?
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationDianthus imereticus Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationRichardia scabra (Florida pusley)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationAustralia/New Zealand Weed Risk Assessment adapted for Florida.
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 2008. Predicting Invasive Plants
More informationScleranthus annuus (German knotgrass)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationRumex crispus (curly dock)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationScaevola sericea (beach naupaka)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationAustralia/New Zealand Weed Risk Assessment adapted for United States.
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationTricyrtis affinis Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationChorisia speciosa (floss-silk tree)
Australia/New Zealand Weed Risk Assessment adapted for Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in Florida
More informationCicerbita prenanthoides Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationHibiscus tiliaceus (mahoe)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationLonicera x heckrottii (goldflame honeysuckle)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationThelypteris beddomei Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationSynadenium grantii (African milkbush)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationAgave americana (century plant)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationTecoma guarume Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationBambusa bambos (syn. Bambusa arundinacea)giant thorny bamboo, Indian thorny bamboo ALL ZONES
Assessment date 12 February 2015 Bambusa bambos (syn. Bambusa arundinacea)giant thorny bamboo, Indian thorny bamboo ALL ZONES Answer Score 1.01 Is the species highly domesticated? n 0 1.02 Has the species
More informationBambusa beecheyana (Beechey's bamboo, silk4ball bamboo) ALL ZONES
Assessment date 12 February 2015 Bambusa beecheyana (Beechey's bamboo, silk4ball bamboo) ALL ZONES Answer Score 1.01 Is the species highly domesticated? n 0 1.02 Has the species become naturalised where
More informationBambusa lako Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States Data used for analysis published in: Gordon, DR and CA Gantz 2008 Potential impacts on the horticultural industry of screening new plants
More informationSaccharum officinarum (sugarcane) Has the species become naturalised where grown? y
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationGironniera parvifolia Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationPhoenix reclinata (Senegal date palm)
Australia/New Zealand Weed Risk Assessment adapted for Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in Florida
More informationAustralia/New Zealand Weed Risk Assessment adapted for Florida.
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 2008. Predicting Invasive Plants
More informationBauhinia natalensis Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationIndigofera hirsuta (hairy indigo)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationSapium sebiferum (Chinese tallow)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationMomordica charantia (balsam pear)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationEugenia uniflora (Surinam cherry)
Australia/New Zealand Weed Risk Assessment adapted for Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in Florida
More informationCladochaeta candidissima Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationArdisia nigrescens. Y Does the species have a history of repeated introductions outside its
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationMyrcia dichasialis Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationBauhinia purpurea (purple orchid tree)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationPulsatilla violacea Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationMyriophyllum spicatum (Eurasian water-milfoil)
Australia/New Zealand Weed Risk Assessment adapted for Florida. Data used for analysis published in: Gordon, D.R., D.A. Onderdonk, A.M. Fox, R.K. Stocker, and C. Gantz. 28. Predicting Invasive Plants in
More informationDianthus cretaceus Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationDelonix decaryi Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationAustralia/New Zealand Weed Risk Assessment adapted for United States.
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationArnebia pulchra. Y Does the species have a history of repeated introductions outside its
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationTulipa karabachensis Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationRondeletia leucophylla Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationBerberis iberica Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationLivistona concinna Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationTAXON: Calathea burle-marxii SCORE: 0.0 RATING: Low Risk
Taxon: Calathea burle-marxii Family: Marantaceae Common Name(s): calathea 'ice blue' ice-blue calathea Synonym(s): Assessor: Chuck Chimera Status: Assessor Approved End Date: 8 Dec 2015 WRA Score: 0.0
More informationIris caucasica Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationEucalyptus platypus (Round-Leaf Moort, Moort) -- FLORIDA
Eucalyptus platypus (Round-Leaf Moort, Moort) -- FLORIDA Answer Score 1.01 Is the species highly domesticated? n 0 1.02 Has the species become naturalised where grown? 1.03 Does the species have weedy
More informationTabernaemontana sananho Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationCombretum ovalifolium Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationHedera pastuchovii Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationPapaver oreophilum Question number Question Answer Score 1.01 Is the species highly domesticated? n 0
Australia/New Zealand Weed Risk Assessment adapted for United States. Data used for analysis published in: Gordon, D.R. and C.A. Gantz. 2008. Potential impacts on the horticultural industry of screening
More informationAntigonon leptopus All Zones
Assessment date 11 January August 2016 Antigonon leptopus All Zones Answer Score 1.01 Is the species highly domesticated? n 0 1.02 Has the species become naturalised where grown? 1.03 Does the species
More informationColubrina asiatica ALL ZONES
Assessment date 31 March 2016 Colubrina asiatica ALL ZONES Answer Score 1.01 Is the species highly domesticated? n 0 1.02 Has the species become naturalised where grown? 1.03 Does the species have weedy
More informationIntroduction to Weed Science and Weed Identification
Introduction to Weed Science and Weed Identification Definition of a Weed A plant growing where it is not wanted (Oxford Dictionary) Any plant or vegetation, excluding fungi, interfering with the objectives
More informationPyrus calleryana North
Assessment date 26 June 208 Pyrus calleryana North Answer Score.0 Is the species highly domesticated? n 0.02 Has the species become naturalised where grown?.03 Does the species have weedy races? 2.0 Species
More informationAustralia/New Zealand Weed Risk Assessment adapted for Florida. Saccharum officinarum -- Florida test
/New Zealand Weed Risk Assessment adapted for Florida Data used for analysis published in: Gordon, D.R., K.J. Tancig, D.A. Onderdonk and C.A. Gantz. In press. Assessing the invasive potential of biofuel
More informationORNAMENTALS NORTHWEST ARCHIVES
ORNAMENTALS NORTHWEST ARCHIVES Summer 1985 Vol. 9, Issue 2 Pages 4-6 Ray D. William Extension Horticultural Weed Specialist Oregon State University Corvallis, OR 97331 CONTROL OF YELLOW NUTSEDGE IN NURSERIES
More informationEucalyptus erythrocorys (Bookara, Illyarrie, Helmet Nut Gum, Red- Cap Gum) -- FLORIDA
Eucalyptus erythrocorys (Bookara, Illyarrie, Helmet Nut Gum, Red- Cap Gum) -- FLORIDA Answer 1.01 Is the species highly domesticated? n 0 1.02 Has the species become naturalised where grown? 1.03 Does
More informationEcology Impacts and Genetic Variability Research for Invasive Weeds
Ecology Impacts and Genetic Variability Research for Invasive Weeds Charles T. Bryson Research Botanist USDA-ARS, SWSRU Stoneville, MS 38776 cbryson@ars.usda.gov Invasive Weed Research are Directly Related
More informationAustralia/New Zealand Weed Risk Assessment adapted for United States (see Gordon and Gantz 2008)
/New Zealand Weed Risk Assessment adapted for United States (see Gordon and Gantz 2008) Data used for analysis published in: Gordon, D.R., K.J. Tancig, D.A. Onderdonk and C.A. Gantz. In press. Assessing
More informationViburnum lantana 'Mohican' -- Minnesota
Plant Risk Evaluator -- PRE Evaluation Report Viburnum lantana 'Mohican' -- Minnesota 2017 Farm Bill PRE Project PRE Score: 10 -- Accept (low risk of invasiveness) Confidence: 70 / 100 Questions answered:
More informationLilium szovitsianum -- Illinois
Plant Risk Evaluator -- PRE Evaluation Report Lilium szovitsianum -- Illinois 2017 Farm Bill PRE Project PRE Score: 6 -- Accept (low risk of invasiveness) Confidence: 49 / 100 Questions answered: 20 of
More informationCharacteristics of Weeds
Characteristics of Weeds Think dynamic with the ability to make serious changes The next few slides will detail some methods of classifying weeds, strategies for success and how/why weeds are weeds Worst
More informationControlling Sedges in Landscape Plantings. Joseph C. Neal, Extension Specialist, Weed Management Department of Horticultural Science
Controlling Sedges in Landscape Plantings HIL-647 Joseph C. Neal, Extension Specialist, Weed Management Department of Horticultural Science About the Weeds More than 40 sedge species may be found in North
More informationAsclepias curassavica -- Texas
Plant Risk Evaluator -- PRE Evaluation Report Asclepias curassavica -- Texas 2017 Farm Bill PRE Project PRE Score: 12 -- Accept (low risk of invasiveness) Confidence: 80 / 100 Questions answered: 20 of
More informationInvasive Species Management Plans for Florida
Invasive Species Management Plans for Florida Air Potato Dioscorea bulbifera (L.) Dioscoreaceae INTRODUCTION A native to tropical Asia, air potato, Dioscorea bulbifera, was first introduced to the Americas
More informationLeymus arenarius 'Blue Dune' -- Minnesota
Plant Risk Evaluator -- PRE Evaluation Report Leymus arenarius 'Blue Dune' -- Minnesota 2017 Farm Bill PRE Project PRE Score: 17 -- Reject (high risk of invasiveness) Confidence: 77 / 100 Questions answered:
More informationPassiflora edulis South ZONES
Assessment date 2016 Passiflora edulis South ZONES Answer Score 1.01 Is the species highly domesticated? n 0 1.02 Has the species become naturalised where grown? 1.03 Does the species have weedy races?
More informationAllium sativum -- Texas
Plant Risk Evaluator -- PRE Evaluation Report Allium sativum -- Texas 2017 Farm Bill PRE Project PRE Score: 7 -- Accept (low risk of invasiveness) Confidence: 81 / 100 Questions answered: 20 of 20 -- Valid
More informationEucalyptus smithii (Blackbutt peppermint, Gully gum, Gully peppermint, Gully-ash) -- FLORIDA
Eucalyptus smithii (Blackbutt peppermint, Gully gum, Gully peppermint, Gully-ash) -- FLORIDA Answer 1.01 Is the species highly domesticated? n 0 1.02 Has the species become naturalised where grown? 1.03
More informationC1 Weeds in North Queensland
C1 Weeds in North Queensland Introduction This presentation covered Siam weed (Chromolaena odorata), the Four Tropical Weeds (Miconia spp., Mikania macrantha, Clidemia hirta, Limnocharis flava), and Mimosa
More informationTAXON: Aloe 'Hercules' SCORE: -4.0 RATING: Low Risk
Taxon: Aloe 'Hercules' Family: Xanthorrhoeaceae Common Name(s): Hercules aloe Synonym(s): Aloe bainesii x dichotoma Aloe barberae x dichotoma Assessor: Chuck Chimera Status: Assessor Approved End Date:
More informationAcer pseudosieboldianum x palmatum 'IslAJ' Arctic Jade -- Minnesota
Plant Risk Evaluator -- PRE Evaluation Report Acer pseudosieboldianum x palmatum 'IslAJ' Arctic Jade -- Minnesota 2017 Farm Bill PRE Project PRE Score: 2 -- Accept (low risk of invasiveness) Confidence:
More informationLuziola subintegra Central And South
Assessment date 2 May 2017 Luziola subintegra Central And South Answer Score 1.01 Is the species highly domesticated? unk 0 1.02 Has the species become naturalised where grown? 1.03 Does the species have
More informationKNOW YOUR WEEDS Anil Shrestha, IPM Weed Ecologist, Kearney Agricultural Center
KNOW YOUR WEEDS Anil Shrestha, IPM Weed Ecologist, Kearney Agricultural Center Correct identification of weeds is an important key to effective weed control. The first step in understanding any problem
More informationWeed Identification and Control. Jim Wanstall NMDA State Noxious Weed Coordinator
Weed Identification and Control Jim Wanstall NMDA State Noxious Weed Coordinator What Is A Weed? A weed is any plant that interferes with the management objectives for a particular site. An invasive weed
More informationLonicera fragrantissima -- Georgia
Plant Risk Evaluator -- PRE Evaluation Report Lonicera fragrantissima -- Georgia 2017 Farm Bill PRE Project PRE Score: 15 -- Evaluate this plant further Confidence: 65 / 100 Questions answered: 19 of 20
More informationWeeds Will Be With Us So, we need to develop weed management plans.
Weeds Will Be With Us So, we need to develop weed management plans. The First Step: Weed ID Its more than a name How do you correctly identify a weed? Compare to a photo Remember weeds can appear different
More informationCamelina sativa (Gold-of-pleasure, False flax)
Camelina sativa (Gold-of-pleasure, False flax) Answer Score 1.01 Is the species highly domesticated? n 0 1.02 Has the species become naturalised where grown? 1.03 Does the species have weedy races? 2.01
More informationMNLA Certification Manual Learning Objectives
MNLA Certification Manual Learning Objectives Chapter 5. Laws, Regulations, Guides, Ethics, and Professionalism A. Demonstrate knowledge of Federal, State, and Local Regulations pertaining to the Nursery
More informationReynoutria japonica 'Variegata' -- Illinois
Plant Risk Evaluator -- PRE Evaluation Report Reynoutria japonica 'Variegata' -- Illinois 2017 Farm Bill PRE Project PRE Score: 18 -- Reject (high risk of invasiveness) Confidence: 73 / 100 Questions answered:
More informationTAXON: Peniocereus hirschtianus SCORE: 4.0 RATING: Evaluate
Taxon: Peniocereus hirschtianus Family: Cactaceae Common Name(s): Peniocereus Synonym(s): Cereus guatemalensis (Britton & Rose) Vaupel Cereus hirschtianus K.Schum. Nyctocereus guatemalensis Britton & Rose
More informationLantana montevidensis (Trailing shrubverbena, Creeping lantana, Trailing lantana, Weeping lantana)
Lantana montevidensis (Trailing shrubverbena, Creeping lantana, Trailing lantana, Weeping lantana) Answer 1.01 Is the species highly domesticated? n 0 1.02 Has the species become naturalised where grown?
More informationTAXON: Woodwardia orientalis Sw. SCORE: 3.0 RATING: Low Risk
Taxon: Woodwardia orientalis Sw. Family: Blechnaceae Common Name(s): mother fern Oriental chain fern Synonym(s): Assessor: Chuck Chimera Status: Assessor Approved End Date: 7 Nov 2016 WRA Score: 3.0 Designation:
More information