Panicum Virgatum L.)

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Identification, Characterization, and Impact of Pathogenic Fusarium Species on Switchgrass (Panicum virgatum L.) M.S. Research Proposal Seminar Summary Kristie Mantooth February 2013 Biofuel is a promising source of alternative fuel that is the focus of much current research. Switchgrass (Panicum virgatum L.) is being considered as a cellulosic feedstock for biofuel. This warm-season, perennial grass is native to North America. It is seed propagated and can be managed with conventional farming equipment (Lewandowski 2003, McLaughlin 2002) with low agricultural inputs (Bouton 2008). This species is a relatively new crop that has only recently been grown in large acreage monoculture (Bouton 2008). There is limited knowledge of switchgrass pathogens and it is expected that an increase in disease reports will accompany the increase in land dedicated to this promising perennial grass. A recent study in our lab (Vu 2011) found more than 2,000 fungal isolates on switchgrass seeds. Species of Fusarium were among the most common pathogens found. The USDA fungal database (Farr and Rossman 2013) includes 146 fungal isolates recovered from switchgrass, including ten Fusarium species. Species of Fusarium are known pathogens of important crops such as corn, rice, and wheat and some produce toxins that may be harmful to animals. Controlling these pathogens should be included in management practices of switchgrass grown for biofuel. The purpose of this proposed research is to identify and characterize the impacts of Fusarium species on switchgrass. The objectives are 1) identify and characterize Fusarium isolates previously collected from switchgrass seeds produced outside Tennessee 2) determine pathogenicity and virulence of Fusarium species on switchgrass 3) determine impact of selected virulent Fusarium species on stand establishment, plant health and development, and biomass 4) determine pathogenicity and virulence of the most virulent Fusarium species from switchgrass on other hosts and 5) identify seedborne pathogens of switchgrass from fields in the southeast. References: Lewandowski, I., et al. (2003). The development and current status of perennial rhizomatous grasses as energy crops in the US and Europe. Biomass and Bioenergy 25 (4): 335–361. McLaughlin, S. B., et al. (2002). High-value renewable energy from prairie grasses. Environmental Science & Technology 36 (10): 2122–2129. Bouton, J. (2008). Improvement of switchgrass as a bioenergy crop. Pages 295-308 in: Genetic Improvement of Bioenergy Crops. W. Vermeriss, ed. Springer, New York. Farr, D.F., & Rossman, A.Y. Fungal Databases, Systematic Mycology and Microbiology Laboratory, ARS, USDA. Retrieved January 30, 2013, from http://nt.ars-grin.gov/fungaldatabases/. Vu, A. L. (2011). Identifying pathogens of switchgrass and investigating antimicrobial activity of switchgrass-derived extractives. M.S. thesis, The University of Tennessee, Knoxville. 82 pp. .

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Plant Fact Sheet
United States Department of Agriculture NATURAL RESOURCES CONSERVATION SERVICE Forestry Technical Note No. MT-27 April 2006 FORESTRY TECHNICAL NOTE ______________________________________________________________________ Performance Evaluations of Herbaceous Vegetation on Disturbed Forestland in Southeastern Montana Robert Logar, State Staff Forester Larry Holzworth, Plant Material Specialist Summary Information for seeding herbaceous vegetation following forestland disturbance was identified as a conservation need in southeastern Montana. The herbaceous vegetation could be used to control soil erosion, stabilize disturbed sites, manage noxious weeds and provide forage. The Fulton Ranch field evaluation planting (FEP) was established in November 1995 on a disturbed forestland site in southeastern Montana to study the adaptation, performance and use of various grass species. The site, a Ponderosa pine/Idaho fescue habitat-type, had received a light to moderate burn from a wildfire that occurred in August 1994 and was logged the following spring. Nineteen evaluation plots were established to test seventeen different accessions of grasses; two control (unseeded) plots were established. Each plot was one-quarter of an acre in size. Seeded species included ‘Sherman’ big bluegrass, ‘Latar’ orchardgrass, ‘Paiute’ orchardgrass, ‘Manska’ pubescent wheatgrass, ‘Oahe’ intermediate wheatgrass, ‘Rush’ intermediate wheatgrass, ‘Dacotah’ switchgrass, ‘Forestberg’ switchgrass, 9005308 mountain brome, ‘Regar’ meadow brome, ‘Redondo’ Arizona fescue, ‘Whitmar’ beardless wheatgrass, ‘Goldar’ bluebunch wheatgrass, M-1 Nevada bluegrass, ‘Killdeer’ sideoats grama, ‘Pierre’ sideoats grama, and ‘Pryor’ slender wheatgrass. An evaluation of several species for seeding road systems was also conducted as part of this FEP. Road surface, cut and fill slopes were seeded with ‘Luna’ pubescent wheatgrass, ‘Covar’ sheep fescue, ‘Durar’ hard fescue, ‘Critana’ thickspike wheatgrass, ‘Sodar’ streambank wheatgrass, and ‘Rosana’ western wheatgrass.
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Planting and Managing Switchgrass As a Biomass Energy Crop
United States Technical Note No. 3 Department of Agriculture Natural Resources Conservation Service Plant Materials Planting and Managing Program September 2009 Switchgrass as a Biomass Energy Crop Issued September 2009 Cover photo: Harvesting dormant switchgrass for biofuel (Photo by Don Tyler, University of Tennessee) The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, re prisal, or because all or a part of an individual’s income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should con tact USDA’s TARGET Center at (202) 720–2600 (voice and TDD). To file a complaint of discrimination, write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, SW., Washington, DC 20250–9410, or call (800) 795–3272 (voice) or (202) 720–6382 (TDD). USDA is an equal opportunity provider and employer. Preface The U.S. Department of Agriculture (USDA) Natural Resources Conserva tion Service (NRCS) Plant Materials Program has been involved in the col lection, evaluation, selection, increase, and release of conservation plants for 76 years. Switchgrass (Panicum virgatum L.) was quickly recognized as one of the key perennial grasses for soil conservation following the dust bowl era of the 1930s. The first named switchgrass cultivar, ‘Blackwell’, was released in 1944 by the NRCS Manhattan, Kansas, Plant Materials Center (PMC) in cooperation with the Kansas Agriculture Experiment Station.
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Plant Sheet-- Switchgrass (Panicum Virgatum)
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Living Shorelines for Master Gardeners
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Screening Ornamentals for Their Potential As As Accumulator Plants
Journal of Agricultural Science; Vol. 5, No. 10; 2013 ISSN 1916-9752 E-ISSN 1916-9760 Published by Canadian Center of Science and Education Screening Ornamentals for Their Potential as As Accumulator Plants Stewart T. Reed1, Tomas Ayala-Silva1, Christopher B. Dunn1, Garry G. Gordon2 & Alan Meerow1 1 USDA, Agricultural Research Service, Subtropical Horticulture Research Station, 13601 Old Cutler Road, Miami, FL 33158, USA 2 Department of Homeland Security, U.S. Customs and Border Protection, Miami Cargo Clearance Center, 6601 NW 25TH Street Room 272, Miami, FL 33122, USA Correspondence: Stewart T. Reed, USDA, Agricultural Research Service, Subtropical Horticulture Research Station, 13601 Old Cutler Road, Miami, FL 33158, USA. Tel: 1-786-573-7048. E-mail: [email protected] Received: August 12, 2013 Accepted: August 28, 2013 Online Published: September 15, 2013 doi:10.5539/jas.v5n10p20 URL: http://dx.doi.org/10.5539/jas.v5n10p20 Abstract Arsenic-based pesticides, herbicides and insecticides are used in horticultural operations resulting in soil contamination around greenhouse structures. Phytoremediation and phytostabilization are two techniques for treating arsenic (As) contaminated soil. Several ornamental plant species, Iris (Iris savannarum), switchgrass (Panicum virgatum), Tithonia rotundiflora, Coreopsis lanceolata, sunflower (Helianthus annuus), and marigold (Tagetes erecta), were evaluated for their potential use as accumulator plants. Based on dry weight, tithonia and coreopsis were most sensitive to As. Tithonia had an 85% reduction in dry weight at 0.75 mg As L-1 and coreopsis a 65% reduction at 2.25 mg As L-1 solution concentration. Iris dry weight increased with increasing solution concentrations but As did not accumulate in tissue.
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Transcriptional and Physiological Data Reveal the Dehydration Memory
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Nutrient Uptake of Ornamental Plants Exposed to Arsenic in Hydroponic Solution
Journal of Agricultural Science; Vol. 5, No. 12; 2013 ISSN 1916-9752 E-ISSN 1916-9760 Published by Canadian Center of Science and Education Nutrient Uptake of Ornamental Plants Exposed to Arsenic in Hydroponic Solution Stewart Reed1, Tomas Ayala-Silva1, Christopher B. Dunn1, Garry G. Gordon2 & Alan Meerow1 1 USDA, Agricultural Research Service, Subtropical Horticulture Research Station, 13601 Old Cutler Road, Miami, FL 33158, USA 2 Department of Homeland Security, U.S. Customs and Border Protection, Miami Cargo Clearance Center, 6601 NW 25TH Street Room 272, Miami, FL 33122, USA Correspondence: Stewart Reed, USDA, Agricultural Research Service, Subtropical Horticulture Research Station, 13605 Old Cutler Road, Miami, FL, USA. Tel: 1-786-573-7048. E-mail: [email protected] Received: August 14, 2013 Accepted: September 5, 2013 Online Published: November 15, 2013 doi:10.5539/jas.v5n12p1 URL: http://dx.doi.org/10.5539/jas.v5n12p1 Abstract Arsenic-based agro-chemicals have contaminated considerable acreage on turf-farms, orchards, and around horticultural production structures. A study was undertaken to evaluate iris (Iris savannarum), switchgrass (Panicum virgatum), Tithonia rotundiflora, Coreopsis lanceolata, sunflower (Helianthus annuus), and marigold (Tagetes erecta) for their potential use as arsenic (As) accumulator plants. Plants were grown hydroponically with a modified Hoagland solution containing either 0, 10, 50 or 70 uM As (0.0, 0.75, 3.75, 5.25 mg L-1, respectively). At 5.25 mg As L-1 solution there were no significant reductions in dry weight below that of the controls for iris marigold and sunflower. Maximum shoot As content (mg) for coreopsis and tithonia was reached at 0.75 and for switchgrass at 3.75 mg As L-1 solution.
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Cuticular Wax Variants in a Population of Switchgrass (Panicum Virgatum L.)
Cuticular wax variants in a population of switchgrass ( Panicum virgatum L.) Item Type Article Authors Weaver, Joshua M.; Lohrey, Greg; Tomasi, Pernell; Dyer, John M.; Jenks, Matthew A.; Feldmann, Kenneth A. Citation Weaver, J. M., Lohrey, G., Tomasi, P., Dyer, J. M., Jenks, M. A., & Feldmann, K. A. (2018). Cuticular wax variants in a population of switchgrass (Panicum virgatum L.). Industrial Crops and Products, 117, 310-316. DOI 10.1016/j.indcrop.2018.02.081 Publisher ELSEVIER SCIENCE BV Journal INDUSTRIAL CROPS AND PRODUCTS Rights © 2018 Elsevier B.V. All rights reserved. Download date 30/09/2021 17:41:20 Item License http://rightsstatements.org/vocab/InC/1.0/ Version Final accepted manuscript Link to Item http://hdl.handle.net/10150/627888 Cuticular Wax Variants in a Population of Switchgrass (Panicum virgatum L.) Joshua M. Weavera,*, Greg Lohreyc, Pernell Tomasic, John M. Dyerc, Matthew A. Jenksb, and Kenneth A. Feldmanna a School of Plant Sciences, University of Arizona, Tucson, AZ 85721, USA b Division of Plant and Soil Sciences, West Virginia University, Morgantown, WV 26506, USA c US Arid-Land Agricultural Research Center, Maricopa, AZ 85138, USA * Corresponding author Joshua M. Weaver School of Plant Sciences University of Arizona 303 Forbes Building P.O. Box 210036 Tucson, AZ 85721-0036 Phone: 520-621-7158 Fax: 520-621-7168 E-Mail: [email protected] Keywords Panicum virgatum; Poaceae; switchgrass; leaf; cuticular wax variants; β-diketones Abstract Leaf cuticular waxes are known to influence both biotic and abiotic stress tolerances of plants. The objective of this work was to characterize the wax phenotypic diversity present in a population of 1849 switchgrass plants.
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Roles of Soil Biotic and Abiotic Factors on Switchgrass's (Panicum Virgatum) Growth, Defense Against Herbivory and Cell Wall Chemistry
University of Louisville ThinkIR: The University of Louisville's Institutional Repository Electronic Theses and Dissertations 5-2020 Aboveground-belowground interactions: roles of soil biotic and abiotic factors on switchgrass's (panicum virgatum) growth, defense against herbivory and cell wall chemistry. Binod Basyal University of Louisville Follow this and additional works at: https://ir.library.louisville.edu/etd Part of the Biology Commons, Ecology and Evolutionary Biology Commons, and the Plant Sciences Commons Recommended Citation Basyal, Binod, "Aboveground-belowground interactions: roles of soil biotic and abiotic factors on switchgrass's (panicum virgatum) growth, defense against herbivory and cell wall chemistry." (2020). Electronic Theses and Dissertations. Paper 3394. Retrieved from https://ir.library.louisville.edu/etd/3394 This Doctoral Dissertation is brought to you for free and open access by ThinkIR: The University of Louisville's Institutional Repository. It has been accepted for inclusion in Electronic Theses and Dissertations by an authorized administrator of ThinkIR: The University of Louisville's Institutional Repository. This title appears here courtesy of the author, who has retained all other copyrights. For more information, please contact [email protected]. ABOVEGROUND-BELOWGROUND INTERACTIONS: ROLES OF SOIL BIOTIC AND ABIOTIC FACTORS ON SWITCHGRASS’S (PANICUM VIRGATUM) GROWTH, DEFENSE AGAINST HERBIVORY AND CELL WALL CHEMISTRY By Binod Basyal B.Sc. Agriculture, Tribhuvan University, Nepal, 2013 A Dissertation Submitted to the Faculty of the College of Arts and Sciences of the University of Louisville in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy in Biology Department of Biology University of Louisville Louisville, Kentucky May, 2020 ABOVEGROUND-BELOWGROUND INTERACTIONS: ROLES OF SOIL BIOTIC AND ABIOTIC FACTORS ON SWITCHGRASS’S (PANICUM VIRGATUM) GROWTH, DEFENSE AGAINST HERBIVORY AND CELL WALL CHEMISTRY By Binod Basyal B.Sc.
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Native Ornamental Grasses 2005
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