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Kudzu [[Plant propagation|spreads]] by [[vegetative reproduction]] via [[stolon]]s (runners) that [[root]] at the [[node (botany)|nodes]] to form new plants and by [[rhizome]]s. Kudzu also spreads by [[seed]]s, which are contained in pods and mature in the autumn, although this is rare.{{Citation needed|date=July 2009}} One or two viable seeds are produced per cluster of pods. The hard-coated seeds can remain viable for several years, and can successfully germinate only when soil is persistently soggy for 5-7 days, with temperatures above 20°C (68°F). Once germinated, saplings must be kept in a well-drained medium that retains high moisture. During this stage of growth, kudzu must receive as much sunlight as possible. Kudzu saplings are sensitive to mechanical disturbance, and are damaged by chemical fertilizers. They do not tolerate long periods of shade or high water tables.
Kudzu [[Plant propagation|spreads]] by [[vegetative reproduction]] via [[stolon]]s (runners) that [[root]] at the [[node (botany)|nodes]] to form new plants and by [[rhizome]]s. Kudzu also spreads by [[seed]]s, which are contained in pods and mature in the autumn, although this is rare.{{Citation needed|date=July 2009}} One or two viable seeds are produced per cluster of pods. The hard-coated seeds can remain viable for several years, and can successfully germinate only when soil is persistently soggy for 5-7 days, with temperatures above 20°C (68°F). Once germinated, saplings must be kept in a well-drained medium that retains high moisture. During this stage of growth, kudzu must receive as much sunlight as possible. Kudzu saplings are sensitive to mechanical disturbance, and are damaged by chemical fertilizers. They do not tolerate long periods of shade or high water tables.


==Uses==
==shut up==


==LUL==
===Soil improvement and preservation===
Kudzu has been used as a form of [[erosion control]] and to enhance the soil. As a legume, it increases the [[nitrogen]] in the soil by a symbiotic relationship with [[Nitrogen fixation|nitrogen-fixing]] [[bacteria]].<ref name="appalachia">{{cite web|url=http://www.a-spi.org/tp/tp55.htm|title=Kudzu in Appalachia|accessdate=August 20, 2007|publisher=Appalachia -- Science in the Public Interest|year=2000|author=Amanda Allen|work=ASPI Technical Series TP 55|url-status=dead|archiveurl=https://web.archive.org/web/20070928071603/http://www.a-spi.org/tp/tp55.htm|archivedate=28 September 2007|df=dmy-all}}</ref> Its deep taproots also transfer valuable minerals from the subsoil to the topsoil, thereby improving the topsoil. In the deforested section of the central [[Amazon Basin]] in [[Brazil]], it has been used for improving the soil pore-space in clay [[Latosol|latosols]], thus freeing even more water for plants than in the soil prior to deforestation.<ref name="brazil">{{cite journal|title=Changes in soil pore-space distribution following deforestation and revegetation: An example from the Central Amazon Basin, Brazil |year=1991|author1=Chauvel, A |author2=Grimaldi, M |author3=Tessier, D |journal=Forest Ecology and Management |doi=10.1016/0378-1127(91)90147-N |volume=38 |issue=3–4 |pages=259–271|url=http://horizon.documentation.ird.fr/exl-doc/pleins_textes/divers16-03/38584.pdf }}</ref>

===Animal feed===
Kudzu can be used by grazing animals, as it is high in quality as a [[Fodder|forage]] and palatable to [[livestock]]. It can be grazed until [[frost]] and even slightly after. Kudzu had been used in the southern United States specifically to feed goats on land that had limited resources. Kudzu [[hay]] typically has a 22-23% crude protein content and over 60% total digestible nutrient value. The quality of the leaves decreases as [[vine]] content increases relative to the [[leaf]] content. Kudzu also has low forage yields despite its rate of [[cell growth|growth]], yielding around two to four tons of dry matter per acre annually. It is also difficult to bale due to its vining growth and its slowness in shedding water. This makes it necessary to place kudzu hay under sheltered protection after being baled. Fresh kudzu is readily consumed by all types of grazing animals, but frequent grazing over three to four years can ruin even established stands. Thus, kudzu only serves well as a grazing crop on a temporary basis.<ref name="alabama">{{cite web|url=http://www.aces.edu/pubs/docs/A/ANR-0065/|title=Kudzu in Alabama: History, Uses, and Control|accessdate=August 20, 2007|publisher=Alabama Cooperative Extension System|year=1999|author1=John Everest |author2=James Miller |author3=Donald Ball |author4=Mike Patterson|archiveurl=https://web.archive.org/web/20120616073734/http://www.aces.edu/pubs/docs/A/ANR-0065/|archivedate=16 June 2012 }}</ref>

===Basketry===
Kudzu fiber has long been used for fiber art and basketry. The long runners which propagate the kudzu fields and the larger vines which cover trees make excellent weaving material. Some basketmakers use the material green. Others use it after splitting it in half, allowing it to dry and then rehydrating it using hot water. Both traditional and contemporary basketry artists use kudzu.<ref>{{cite book|url=https://books.google.com/?id=jSQzR6_h9yEC&dq=kudzu+basket|title=The book of kudzu: a culinary & healing guide|author1=William Shurtleff |author2=Akiko Aoyagi |publisher=Soyinfo Center|year=1977|isbn=9780394420684}}</ref>

===Phytochemicals and uses===
[[File:KudzuLeaves.JPG|thumb|Kudzu leaves near [[Canton, Georgia]]]]

Kudzu contains [[isoflavones]], including [[puerarin]] (about 60% of the total isoflavones), [[daidzein]], [[daidzin]] (structurally related to [[genistein]]), [[mirificin]], and [[salvianolic acid]], among numerous others identified.<ref name="mol">{{cite journal|pmid=28353641|pmc=6154678|year=2017|last1=Wang|first1=F. R.|title=Rapid Determination of 30 Polyphenols in Tongmai Formula, a Combination of Puerariae Lobatae Radix, Salviae Miltiorrhizae Radix et Rhizoma, and Chuanxiong Rhizoma, via Liquid Chromatography-Tandem Mass Spectrometry|journal=Molecules|volume=22|issue=4|pages=545|last2=Zhang|first2=Y|last3=Yang|first3=X. B.|last4=Liu|first4=C. X.|last5=Yang|first5=X. W.|last6=Xu|first6=W|last7=Liu|first7=J. X.|doi=10.3390/molecules22040545}}</ref> In [[traditional Chinese medicine]], where it is known as ''gé gēn'' (gegen), kudzu is considered one of the [[50 Fundamental Herbs|50 fundamental herbs]] thought to have therapeutic effects, although there is no high-quality [[clinical research]] to indicate it has any activity or therapeutic use in humans.<ref name="drugs">{{cite web|url=https://www.drugs.com/npc/kudzu.html|title=Kudzu|publisher=Drugs.com|date=2017|accessdate=28 June 2017}}</ref><ref name="msk">{{cite web|url=https://www.mskcc.org/cancer-care/integrative-medicine/herbs/kudzu|title=Kudzu|publisher=Memorial Sloan Kettering Cancer Center|date=2017|accessdate=28 June 2017}}</ref> [[Adverse effect]]s may occur if kudzu is taken by people with hormone-sensitive cancer or those taking [[tamoxifen]], antidiabetic medications, or [[methotrexate]].<ref name=msk/>

===Food===
[[File:Kudzu starch cake,katori-city,japan.JPG|thumb|right|''[[Kuzumochi]]'' (葛餅), Japanese-style kudzu starch cake [[Katori, Chiba|(Katori City, Japan)]]]]
[[Kuzuko|The roots]] contain [[starch]], which has traditionally been used as a food ingredient in East and Southeast Asia. In [[Vietnam]], the starch called ''bột sắn dây'' is flavoured with [[pomelo]] oil and then used as a drink in the summer. In [[Japan]], the plant is known as ''kuzu'' and the starch named ''[[kuzuko]]''. ''Kuzuko'' is used in dishes including ''[[kuzumochi]], mizu [[manjū]]'', and ''[[kuzuyu]]''. It also serves as a thickener for sauces, and can substitute for cornstarch.<ref name="ShurtleffAoyagi1977">{{cite book|last1=Shurtleff|first1=William|last2=Aoyagi|first2=Akiko|title=The Book of Kudzu: A Culinary & Healing Guide|url=https://books.google.com/books?id=jSQzR6_h9yEC|accessdate=25 October 2013|year=1977|publisher=Soyinfo Center|isbn=978-0-394-42068-4|page=9}}</ref>

The flowers are used to make a [[Jelly (fruit preserves)|jelly]] that tastes similar to grape jelly.<ref name=Burney/><ref name="connoisseur">{{cite book|title=The Honey Connoisseur|last1=Marchese|first1=C. Marina|last2=Flottum|first2=Kim|publisher=Black Dog & Leventhal|year=2013|isbn=9781603763325}}</ref><!-- pg 84 --> Roots, flowers, and leaves of kudzu show antioxidant activity that suggests food uses.<ref name=Burney>{{cite web|url=http://sun.library.msstate.edu/ETD-db/theses/available/etd-03292010-130857/|title=Determination of antioxidant and total phenolic content of ''Pueraria lobata'' and evaluation of novel food products containing kudzu|author=Sandra Lynn Burney|year=2010|publisher=Mississippi State University}}</ref> Nearby bee colonies may forage on kudzu nectar during droughts as a last resort, producing a low-viscosity red or purple [[honey]] that tastes of grape jelly or bubblegum.<ref name="connoisseur" /><!-- pg 85 -->

===Herbal medicine===
Kudzu has also been used for centuries in East Asia to make [[herbal tea]]s and [[tincture]]s.<ref name="Kudzu: Love It or Run">{{cite magazine|magazine=Smithsonian Magazine|url=http://www.smithsonianmag.com/science-nature/kudzu-love-it-or-run-68095358/|title= Kudzu: Love It or Run|date = 30 September 2000|author=Doug Stewart}}</ref> Kudzu powder is used in Japan to make an herbal tea called ''[[kuzuyu]]''. {{Use dmy dates|date=July 2013}} Kakkonto (葛根湯, [[Mandarin Chinese]]: ''gěgēntāng'', Japanese: ''kakkontō''; literally, ''Kudzu Root Soup'') is a herbal drink with its origin in [[traditional Chinese medicine]], intended for patients with a group of symptoms and signs including [[fever]], [[headache]], [[neck stiffness]], no [[perspiration]], and in some cases, [[diarrhea]]. It is made from a mixture containing the main ingredient, dried kudzu roots, and sliced fresh [[ginger]], [[cinnamon]] twigs, [[Chinese peony]], [[licorice]], [[jujubes]], and [[ephedra]]. Together these plants are used to create a drink containing [[puerarin]], [[daidzein]], paenoflorin, [[cinnamic acid]], [[glycyrrhizin]], [[ephedrine]] and [[gingerol]].<ref>{{cite journal |doi=10.1016/S0003-2670(97)00349-8 |title=Determination of puerarin, daidzein, paeoniflorin, cinnamic acid, glycyrrhizin, ephedrine, and &#91;6&#93;-gingerol in Ge-gen-tang by micellar electrokinetic chromatography |year=1997 |last1=Huang |first1=Hsi-Ya |last2=Hsieh |first2=You-Zung |journal=Analytica Chimica Acta |volume=351 |issue=1–3 |pages=49–55}}</ref>

===Other uses===
Kudzu fiber, known as ko-hemp,<ref>{{cite web|url=http://www.merriam-webster.com/dictionary/ko-hemp|title=Merriam-Webster Dictionary}}</ref> is used traditionally to make clothing and paper,<ref>{{Cite journal| title = Kudzu (''Pueraria lobata'' (Willd.) Ohwi) | author = Larry W. Mitich | journal = Weed Technology | volume = 14 | issue = 1 | date = Jan–Mar 2000 | pages = 231–235 | doi = 10.1614/0890-037X(2000)014[0231:KPLWO]2.0.CO;2 | jstor = 3988532 }}</ref> and has also been investigated for industrial-scale use.<ref>{{Cite journal| title = Kudzu (Pueraria Lobata): Potential agricultural and industrial resource | journal = Economic Botany | issn = 1874-9364 | volume = 33 | issue = 4 |date = October 1979| doi = 10.1007/BF02858336 | pages = 400–412 |author1=Robert D. Tanner |author2=S. Shahid Hussain |author3=Lindsey A. Hamilton |author4=Frederick T. Wolf }}</ref><ref>{{Cite journal| title = The effect of fermentation (retting) time and harvest time on kudzu (''Pueraria lobata'') fiber strength | journal = Applied Biochemistry and Biotechnology | issn = 1559-0291 | volume = 57–58 | issue = 1 | date = March 1996 | doi = 10.1007/BF02941690 | pages = 75–84 |author1=Sibel Uludag |author2=Veara Loha |author3=Ales Prokop |author4=Robert D. Tanner }}</ref>

It may become a valuable asset for the production of [[cellulosic ethanol]].<ref>Richard G. Lugar, R. James Woolsey. The New Petroleum. Foreign Affairs. 1999. Vol. 78, No 1. p. 88.</ref> In the [[Southern United States]], kudzu is used to make [[soap]]s, [[lotion]]s, and [[compost]].<ref name="basket">{{cite web|url=http://www.dukeemployees.com/offthewall2.shtml|title=If You Can't Beat Kudzu, Join It|accessdate=August 20, 2007|publisher=Duke Energy Employee Advocate|year=2003|author=Jeffrey Collins|work=Off the Wall}}</ref>


==Invasive species==
==Invasive species==

Revision as of 14:59, 11 September 2020

For other uses, see Kudzu (disambiguation).
"葛" redirects here. For the surname, see Ge (surname).
Kudzu smothering trees in Atlanta, Georgia, USA.
Flowers of Pueraria montana

Kudzu (/ˈkʊdzuː/; also called Japanese arrowroot or Chinese arrowroot)[1][2] is a group of vines native to Asia but invasive in many parts of the world, primarily North America. The vine densely climbs over other plants and trees and grows so rapidly that it smothers and kills them by heavily blocking sunlight.[3] The plants are in the genus Pueraria, in the pea family Fabaceae, subfamily Faboideae. They are climbing, coiling, and trailing perennial vines native to much of East Asia, Southeast Asia, and some Pacific islands.[2] The name is derived from the Japanese name for the plant East Asian arrowroot (Pueraria montana var. lobata), クズ or 葛 (kuzu).[4][note 1] Where these plants are naturalized, they can be invasive and are considered noxious weeds. The plant is edible, but often sprayed with herbicides.[3]

Taxonomy and nomenclature

Kudzu seedpods

The name kudzu describes one or more species in the genus Pueraria that are closely related, and some of them are considered to be varieties rather than full species. The morphological differences between them are subtle; they can breed with each other, and introduced kudzu populations in the United States apparently have ancestry from more than one of the species.[8][9] They are:

Propagation

Kudzu spreads by vegetative reproduction via stolons (runners) that root at the nodes to form new plants and by rhizomes. Kudzu also spreads by seeds, which are contained in pods and mature in the autumn, although this is rare.[citation needed] One or two viable seeds are produced per cluster of pods. The hard-coated seeds can remain viable for several years, and can successfully germinate only when soil is persistently soggy for 5-7 days, with temperatures above 20°C (68°F). Once germinated, saplings must be kept in a well-drained medium that retains high moisture. During this stage of growth, kudzu must receive as much sunlight as possible. Kudzu saplings are sensitive to mechanical disturbance, and are damaged by chemical fertilizers. They do not tolerate long periods of shade or high water tables.

shut up

LUL

Invasive species

A large woodland area smothered by kudzu
Kudzu plants near Canton, Georgia

Ecological damage and roles

Kudzu's environmental and ecological damage results from its outcompeting other species for a resource. Kudzu competes with native flora for light, and acts to block their access to this vital resource by growing over them and shading them with its leaves. Native plants may then die as a result.[10]

Changes in leaf litter associated with kudzu infestation results in changes to decomposition processes and a 28% reduction in stocks of soil carbon, with potential implications for processes involved in climate change.[11]

United States

Main article: Kudzu in the United States

Kudzu was introduced from Japan into the United States at the Japanese pavilion in the 1876 Centennial Exposition in Philadelphia.[12] In the 1930s and 1940s, the vine was rebranded as a way for farmers to stop soil erosion. Workers were paid $8 per acre to sow topsoil with the invasive vine. The cultivation covered over one million acres of kudzu.[13] It is now common along roadsides and other disturbed areas[14] throughout most of the southeastern United States as far north as rural areas of Pulaski County, Illinois. Estimates of its rate of spreading differ wildly; it has been described as spreading at the rate of 150,000 acres (610 km2) annually,[15] although in 2015 the United States Forest Service estimated the rate to be only 2,500 acres per year.[16]

Canada

A small patch of kudzu was discovered in 2009 in Leamington, Ontario, the second warmest growing region of Canada after south coastal British Columbia.[17][18]

Other countries

During World War II, kudzu was introduced to Vanuatu and Fiji by United States Armed Forces to serve as camouflage for equipment and has become a major weed.[19]

Kudzu is also becoming a problem in northeastern Australia, and has been seen in Switzerland and in isolated spots in Northern Italy (Lake Maggiore).[20]

In New Zealand, kudzu was declared an "unwanted organism" and was added to the Biosecurity New Zealand register in 2002.[21]

Control

Crown removal

For successful long-term control of kudzu, destroying the underground system, which can be extremely large and deep, is not necessary. Only killing or removing the kudzu root crown[22] and all rooting runners is needed. The root crown is a fibrous knob of tissue that sits on top of the roots. Crowns form from multiple vine nodes that root to the ground, and range from pea- to basketball-sized.[22] The older the crowns, the deeper they tend to be found in the ground. Nodes and crowns are the source of all kudzu vines, and roots cannot produce vines. If any portion of a root crown remains after attempted removal, the kudzu plant may grow back.

Mechanical methods of control involve cutting off crowns from roots, usually just below ground level. This immediately kills the plant. Cutting off the above-ground vines is not sufficient for an immediate kill. Destroying all removed crown material is necessary. Buried crowns can regenerate into healthy kudzu. Transporting crowns in soil removed from a kudzu infestation is one common way that kudzu unexpectedly spreads and shows up in new locations.

Close mowing every week, regular heavy grazing for many successive years, or repeated cultivation may be effective, as this serves to deplete root reserves.[22] If done in the spring, cutting off vines must be repeated. Regrowth appears to exhaust the plant's stored carbohydrate reserves. Cut kudzu can be fed to livestock, burned, or composted.

In the United States, the city of Chattanooga, Tennessee undertook a trial program in 2010 using goats and llamas to graze on the plant. Similar efforts to reduce widespread nuisance kudzu growth have also been undertaken in the cities of Winston-Salem, North Carolina[23] and Tallahassee, Florida.[24]

Prescribed burning is also used on old extensive infestations to remove vegetative cover and promote seed germination for removal or treatment. While fire is not an effective way to kill kudzu,[22] equipment, such as a skid loader, can later remove crowns and thereby kill kudzu with minimal disturbance of soil.[22][25]

Herbicide

A systemic herbicide, for example, glyphosate,[26] triclopyr,[26] or picloram,[27] can be applied directly on cut stems, which is an effective means of transporting the herbicide into the kudzu's extensive root system.[28] Herbicides can be used after other methods of control, such as mowing, grazing, or burning, which can allow for an easier application of the chemical to the weakened plants.[29] In large-scale forestry infestations, soil-active herbicides have been shown to be highly effective.[28]

After initial herbicidal treatment, follow-up treatments and monitoring are usually necessary, depending on how long the kudzu has been growing in the area. Up to 10 years of supervision may be needed after the initial chemical placement to make sure the plant does not return.[30]

Fungi

Since 1998, the United States Department of Agriculture, Agricultural Research Service (ARS) has experimented with using the fungus Myrothecium verrucaria as a biologically based herbicide against kudzu.[15] A diacetylverrucarol spray based on M. verrucaria works under a variety of conditions (including the absence of dew), causes minimal injury to many of the other woody plants in kudzu-infested habitats, and takes effect quickly enough that kudzu treated with it in the morning starts showing evidence of damage by midafternoon.[15] Initial formulations of the herbicide produced toxic levels of other trichothecenes as byproducts, though the ARS discovered growing M. verrucaria in a fermenter on a liquid diet (instead of a solid) limited or eliminated the problem.[15]

See also

Notes

  1. ^ Despite the English name, the Japanese word 葛 was always spelled くず in kana (kuzu in romanization) and pronounced [kɯzɯ]; it is the word 屑 ("scrap") that used to be spelled くづ (kudzu) and pronounced [kɯdzɯ]. Both words are now spelled くず (kuzu), and most speakers of Japanese no longer make the distinction between [zɯ] and [dzɯ] (a phonemic merger), so the two words are homonyms for them.[5][6][7]

References

  1. ^ "USDA PLANTS profile".
  2. ^ a b "Pueraria montana var. lobata". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 11 December 2017.
  3. ^ a b Cite error: The named reference alabama was invoked but never defined (see the help page).
  4. ^ "kudzu". Merriam-Webster.com Dictionary. Merriam-Webster.
  5. ^ Vance, Timothy J. (2008). The Sounds of Japanese. Cambridge University Press. pp. 85–6. ISBN 978-0-5216-1754-3.
  6. ^ Labrune, Laurence (2012). The Phonology of Japanese. Oxford University Press. pp. 64–5. ISBN 978-0-19-954583-4.
  7. ^ "くず". Daijirin. Weblio. Retrieved 2017-10-05.
  8. ^ D. K. Jewett; C. J. Jiang; K. O. Britton; J. H. Sun; J. Tang (1 September 2003). "Characterizing Specimens of Kudzu and Related Taxa with RAPD's". Castanea. 68 (3): 254–260. ISSN 0008-7475. JSTOR 4034173.
  9. ^ Sun, J H; Li, Z-C; Jewett, D K; Britton, K O; Ye, W H; Ge, X-J (2005). "Genetic diversity of Pueraria lobata (kudzu) and closely related taxa as revealed by inter-simple sequence repeat analysis". Weed Research. 45 (4): 255. doi:10.1111/j.1365-3180.2005.00462.x.
  10. ^ Cain, Michael L.; Bowman, William D.; Hacker, Sally D. (2011). Ecology. Sinauer Associates, Inc. p. 246.
  11. ^ Tamura, Mioko; Tharayil, Nishanth (July 2014). "Plant litter chemistry and microbial priming regulate the accrual, composition and stability of soil carbon in invaded ecosystems". New Phytologist. 203 (1): 110–124. doi:10.1111/nph.12795. PMID 24720813.
  12. ^ Cite error: The named reference Kudzu: Love It or Run was invoked but never defined (see the help page).
  13. ^ Kudzu: The Vine that Ate the South; PorterBriggs.com http://porterbriggs.com/the-vine-that-ate-the-south/
  14. ^ "SPECIES: Pueraria montana var. lobata". US Forest Service - United States Department of Agriculture. Retrieved 29 September 2015.
  15. ^ a b c d "Controlling Kudzu With Naturally Occurring Fungus". ScienceDaily. July 20, 2009. Retrieved 2009-07-20.
  16. ^ Bill Finch (September 2015). "Legend of the Green Monster". Smithsonian Magazine. Vol. 46, no. 5. p. 19.
  17. ^ "Kudzu: Invasion of the killer vines or a tempest in a teapot?". Chatham-Kent Daily Post. September 27, 2009. Retrieved 2010-04-20.
  18. ^ Wingrove, Josh (24 September 2009). "'Vine that ate the South' has landed in the Great White North". The Globe and Mail. Retrieved 14 October 2013.
  19. ^ Walker, Timothy (2013). Plant Conservation: Why it matters and how it works. Timber Press. p. 157. ISBN 978-1604692600.
  20. ^ Gigon, A.; Pron, S.; Buholzer, S. (2014). "Ecology and distribution of the Southeast Asian invasive liana Kudzu, Pueraria lobata (Fabaceae), in Southern Switzerland". Eppo Bulletin. 44 (3): 490–501. doi:10.1111/epp.12172.
  21. ^ Gill, George (1 August 2002). "Kudzu vine an unwanted organism" (PDF). Biosecurity (37). ISSN 1174-4618.
  22. ^ a b c d e "Kudzu Control Without Chemicals". kokudzu.com. 2007. Retrieved August 20, 2007.
  23. ^ Bramlett, Betsy (2010-08-31). "Winston-Salem Using Goats To Attack Problem Kudzu Vines". Wxii12.com. Archived from the original on 2012-03-06. Retrieved 2010-09-08.
  24. ^ Neofotis, Peter. "Kudzu (Pueraria montana)". Introduced Species Summary Project. Columbia University. Retrieved 17 September 2011.
  25. ^ "Written Findings of the State Noxious Weed Control Board". Washington State Noxious Weed Control Board. 2007. Archived from the original on 27 September 2011. Retrieved August 20, 2007.
  26. ^ a b Southeast Exotic Pest Plant Council Invasive Plant Manual
  27. ^ Missouri Department of Conservation - Kudzu Archived 26 May 2011 at the Wayback Machine
  28. ^ a b National Park Service - Kudzu
  29. ^ "Bugwood Network (Center for Invasive Species and Ecosystem Health)". Archived from the original on 8 March 2013. Retrieved 27 November 2009.
  30. ^ Matt Nespeca (August 2007). "Kudzu Control Methods and Strategies" (PDF). kokudzu.com.
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