This area is an important natural resource\ud for livestock production and big game winter range. Media in category lepidium draba the following 172 files are in this category, out of 172 total. Lepidium draba common name hoary grass family brassicaceae authority lepidium draba l. Also, the efficacy of these herbicides on hoary cress generated from seed or root fragments was investigated in pot experiments. All structured data from the file and property namespaces is available under the creative commons cc0 license. Lepidium draba hoary cress is a perennial herb family brassicaceae found most commonly. Jun 14, 2011 two different volatile isolates from the aerial parts of cardaria draba l. Hoary cress lepidium draba has the heartshaped seed pods and is most common in montana. Laboratory experiments were performed to determine phytotoxic potentials of white top lepidium draba methanol extracts root, stem and leaf on germination and early growth of corn zea mays and redroot pigweed amaranthus retroflexus. It is native to central asia and most likely arrived in alfalfa seed from turkestan in the early 1900s.
Whitetop national invasive species information center usda. Lepidium chalepense formerly known as cardaria chalepensis hairy whitetop. The species is hermaphrodite has both male and female organs and is pollinated by bees, insects. Cardaria species have historically been placed in and out of lepidium, but it appears. Two other cardaria species are common in the western us, lenspodded whitetop c.
This summary of biological information on heartpodded hoary cress cardaria draba l. An easygrowing draba, making hairy grey mounds of rounded leaves, carrying stemless yellow flowers in early spring. Files are available under licenses specified on their description page. A new glucosinolate salt, lprolinium 4methylsulfinylbutyl glucosinolate, was isolated from the flowering heads of cardaria draba and characterized by current spectroscopic methods. Brassicaceae was collected near toulouse france, in may 1999 and identified by prof. We seek to improve the lives of new mexicans, the nation, and the world through research, teaching, and extension learn more about our mission and programs. Lenspodded hoary cress is easily misidentified in the field as heartpodded hoary cress cardaria draba or globepodded hoary cress cardaria pubescens. Cardaria draba whitetop weed id links sprouting flower buds flowers in early stages infestations seedheads plants line drawing no biological control chemical control cultural control. The stems are generally erect and covered with short hairs. Report on hoary cress from the book weed control in natural areas in the western united states hoary cress lepidium draba, also known as whitetop, information from the usda forest service field guide for managing whitetop in the southwest. The genus is widely distributed in the americas, africa, asia, europe, and australia. Lepidium draba profile california invasive plant council. Cardaria, invasive, lepidium, microsatellites, polyploid, weed received 3 september 2004. The composition of tender leaves from five species of the family cruciferae alliaria petiolata, cardaria draba.
Crowds out native species and reduces crop yields zouhar 2004. We also document genetic variability of 4 native grass populations hesperostipa comata needle and thread, achnatherum hymenoides indian ricegrass, sporobolus airoides alkali sacaton, and poa secunda sandberg bluegrass from 2 areas. To reveal the effect of the crude phenolic, alkaloid and terpenoid compounds extracts of cardaria draba lepidium draba l. This page was last edited on 28 december 2014, at 23. Department of agriculture, agricultural research service, agricultural systems research. Lepidium draba, the whitetop or hoary cress, or thanet cress is a rhizomatous perennial. Upright, broadleaf, herbaceous plant, flat appearance with numerous stems, forming dense colonies. Heavy metal concentrations in roadside plants achillea. Pdf allelopathic activity of medical plant, cardaria draba. Hoary cress cardaria draba control in winter wheat with. Hoary cress whitetop uc weed research and information center. Clonal structure of invasive hoary cress lepidium draba.
Oct 29, 2015 the effects of gibberellic acid ga 3, potassium nitrate kno 3, prechilling, temperature, salt stress and osmotic potential on seed germination and sowing depth on seedling emergence and burial depth on seed viability of hoary cress cardaria draba l. Articles and notes on ecology, systematics, floristics, conservation biology, and other areas of. A large image of cardaria draba whitetop from the usda plants database. Included on the arizona noxious weed list as cardaria draba. Sorry, we are unable to provide the full text but you may find it at the following locations. Lepidium draba hoary cress this plant and synonym italicized and indented above can be weedy or invasive according to the authoritative sources noted below. Our recent work determined the optimum extraction conditions for the recovery of high amounts of glucoraphanin from the noxious weed cardaria draba in a single. Cardaria species have historically been placed in and out of lepidium, but it appears that they have now.
Pdf for past time cardaria draba was used against wide range of ailments as one of the available traditional. This plant may be known by one or more common names in different places, and some are listed above. Sep 01, 2005 glucoraphanin is a potentially valuable plant compound that has shown efficacy in the treatment of hypertension and the removal of carcinogens in animals. Lepidium draba was previously considered to be in the genus cardaria, but was placed into the genus lepidium on the basis of recent molecular evidence which showed that all cardaria species nested within lepidium alshehbaz et al. Cardaria draba is an important, troublesome weed in the sustainable production of wheat. Evidence from subunit polypeptide composition of rubisco. Lepidium draba is found in a wide range of habitats ranging from roadsides highly. This paper updates an earlier paper by mulligan and findlay 1974 on the cruciferous weeds lepidium draba, l. Hoary cress or whitetop cardaria draba is native to the balkans, georgia, armenia, azerbaijan, turkey, israel, syria, iraq and iran. Pdf whitetop cardaria draba is a noxious perennial weed found throughout the world and exhibits a wide range. Lepidium draba, origins, population structure, whitetop received 24 december 2004.
Cardaria chalepensis exotic species fact sheet brassicaceae mustard family at a glance perennial stout, erect, or trailing stems that can grow to 820 inches long. Pdf whitetop cardaria draba is a noxious perennial weed found throughout the world and exhibits a wide range of ecological tolerance it is very. Evidence from subunit polypeptide composition of rubisco, feddes repertorium on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at. In this study, a multiple contact, countercurrent flow. Lepidium is a genus of plants in the mustardcabbage family, brassicaceae. Stems are smooth towards the top and densely hairy towards the bottom. Known collectively as hoary cresses, these species reached north america in the 19th and early 20th. Smaller upper leaves with two lobes that clasp stem. Apr 02, 2008 this paper updates an earlier paper by mulligan and findlay 1974 on the cruciferous weeds lepidium draba, l.
Ranchers and resource managers have become concerned about the role and spread of cardaria draba l. Cardaria draba, allelopathy, glucoerucin, inhibitory effect, lepidium draba l. Lepidium appelianum formerly known as cardaria pubescens mustard family by thomas j. It is native to western asia and southeastern europe and widely introduced elsewhere. Invasion of lepidium draba brassicaceae in the western. Phytochemical analysis and antimicrobial activity of cardaria. Perennial, with a spreading root system from which many aerial shoots are produced. Pathogenicity, characterization and comparative virulence of. The crosssemivariogram model parameters were relatively uniform for c. Polymorphic microsatellite markers in polyploid lepidium. Allelopathic activity of medical plant, cardaria draba lepidium draba l.
All isolates weresubjected to primary screening by assaying the fermentation broth of the sterile surfaces of c. The three species of whitetop differ in the shape of their seed pods. Lepidium draba, the whitetop or hoary cress, 1 or thanet cress 2 is a rhizomatous perennial flowering plant in the family brassicaceae. The composition of tender leaves from five species of the family cruciferae alliaria petiolata, cardaria draba, cakile maritima, capsella bursa. Flora category vascular exotic structural class dicotyledonous herbs other than composites nvs code lepdra conservation status not assessed flower colours white year naturalised 1904 origin s. Glucoraphanin extraction from cardaria draba deepdyve. The three species of whitetop differ in the shape of their.
A voucher specimen was deposited at the herbarium of the pharmacognosy department, faculty of pharmacy, toulouse. Field experiments were conducted during 3 yr in thessaloniki, northern greece, to determine the efficacy of various herbicides applied alone or in mixtures post on hoary cress grown in winter wheat. Whitetop hoary cress lepidium draba cardaria draba. Large image for cardaria draba whitetop usda plants. Inthe first step of this study, 100 actinomycete isolates were purified from soil samples collectedfrom the rhizosphere and phyllosphere of plants in different provinces of iran. Meyer jarmolenko is the third in a series of contributions on plants that are weedy in canada. A weed report from the book weed control in natural areas in the western united states whitetop cardaria spp. Jul 01, 2006 field experiments were conducted during 3 yr in thessaloniki, northern greece, to determine the efficacy of various herbicides applied alone or in mixtures post on hoary cress grown in winter wheat. A species profile for whitetop, hoary cress, whiteweed, peppergrass, heartpodded hoarycress, hoary cardaria. It was first collected in north america on the east.
The leaves are alternate, graygreen, and variable in shape, some arrowhead shaped. It includes familiar species such as garden cress, maca, and dittander. General common names include peppercress, peppergrass, and pepperwort. Pathogenicity, characterization and comparative virulence. The nature conservancy, wildland invasive species program. Lepidium draba new zealand plant conservation network. Lepidium draba patches are difficult to eradicate with herbicides stougaard et al. All herbicides except for ioxynil plus bromoxynil provided 90 to 100.
This little gem, that makes a perfect show plant, is native to the mountains of armenia and also zigana dag, turkey. See our written findings for more information about hoary cress cardaria draba. This area is an important natural resource for livestock production and big game winter range. Native plant community composition and genetic diversity. Lenspodded hoary cress is slightly shorter than the other species, and it has an oval to lensshaped fruit that has a longer style and does not narrow at the septum. Pathogenicity, characterization and comparative virulence of rhizoctonia spp.
Whitetop hoary cress lepidium draba cardaria draba weed. Lenspodded hoary cress cardaria chalepensis is found in most western states, except arizona, where it has only a limited distribution. Steens draba is found on open rocky ridges on steens mountain, which is a large faultblock range in the south eastern part of the u. Lepidium draba in brassibase tools and biological resources to study characters and traits in the brassicaceae. Isolation and screening of phytotoxinproducing actinomycetes. Pdf download for phytotoxical effect of lepidium draba l. Lepidium draba is found in a wide range of habitats ranging from roadsides.
Brassicaceae, a weed native to eurasia, which is noxious to cattle, is well established in rangelands and croplands of the usa and canada. Furthermore, the effects of different methanol extracts of l. Despite the domination of a patch by one or a few large genets, other smaller genets are able to persist or are occasionally recruited into dense areas of a patch. Department of agriculture, agricultural research service, pest management research unit, sidney, mt 59270, usa bu. Lenspodded hoary cress grows in a variety of soil types, including saline soils, but it prefers nonacidic soils. These arise from compact, tufted rosettes of silverygrey leaves in earliest spring. Lepidium draba formerly known as cardaria draba lenspodded whitetop. An illustrated flora of the northern united states, canada and the british possessions. General information about cardaria draba caddr eastern europe, western asia.
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