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United States Department of Agriculture

Agricultural Research Service

Research Project: Enhanced Alfalfa Germplasm and Genomic Resources for Yield, Quality, and Environmental Protection

Location: Plant Science Research

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)

Fungicide sensitivity in the wild rice pathogen Bipolaris oryzae - (Abstract Only)
(16-May-16)
Pythium and Fusarium species causing seed rot and damping-off of alfalfa - (Abstract Only)
(16-May-16)
Rapid phenotyping of alfalfa root system architecture - (Abstract Only)
(16-May-16)
Diversity of field isolates of sinorhizobium meliloti nodulating alfalfa - (Abstract Only)
(16-May-16)
Bacterial and fungal microbiome analysis of alfalfa rhizosphere soils - (Abstract Only)
(16-May-16)
Pythium species causing damping-off of alfalfa in Minnesota: Identification, pathogenicity and fungicide sensitivity - (Abstract Only)
(16-May-16)
Characterization of alfalfa populations contrasting for root system architecture (RSA) - (Abstract Only)
(13-May-16)
Transgenic expression of medicago truncatula PR10 and PR5 promoters in alfalfa shows pathogen-induced up-regulation of transgene expression - (Abstract Only)
(13-May-16)
Genome assembly of the fungus Cochliobolus miyabeanus, and transcriptome analysis during early stages of infection on American wild rice (Zizania palustris L.) - (Peer Reviewed Journal)
Castell-Miller, C.V., Gutierrez-Gonzlez, J.J., Tu, Z.J., Bushley, K., Hainaut, M., Henrissat, B., Samac, D.A. 2016. Genome assembly of the fungus Cochliobolus miyabeanus, and transcriptome analysis during early stages of infection on American wild rice (Zizania palustris L.). PLoS One. 11(6):e0154122 doi:10.1371/journal.pone.0154122.
Draft genome sequences of pseudomonas syringae pv. syringae ALF3 isolated from alfalfa - (Peer Reviewed Journal)
Harrison, J., Dornbusch, M.R., Samac, D.A., Studholme, D.J. 2016. Draft genome sequences of pseudomonas syringae pv. syringae ALF3 isolated from alfalfa. Genome Announcements. 4(1):e01722-15.
Managing foliar and root rot diseases of alfalfa for improving yield and persistance - (Proceedings)
Samac, D.A., Berg, L.E. 2015. Managing foliar and root rot diseases of alfalfa for improving yield and persistance. Western Alfalfa and Forage Symposium. December 2, 2015. Reno, NV..
Seed treatments: New tools for combating seedling diseases of alfalfa in organic and conventional production systems - (Trade Journal)
Samac, D.A., Blosberg, J., Sathoff, A., Kinkel, L.L. 2014. Seed treatments: New tools for combating seedling diseases of alfalfa in organic and conventional production systems. Forage Focus. December 2014 Pages 8-9.
Capturing the Spatial Variability of Microbial Communties within Agricultural Soils - (Abstract Only)
Castle, S., Gutknecht, J., Kinkel, L., Rosen, C., Sadowsky, M., Samac, D.A. 2015. Capturing the Spatial Variability of Microbial Communties within Agricultural Soils. Annual Argonne Soil Metagenomics Meeting. October 21-23, 2015. Lisle, IL.
Management of seedling damping-off of alfalfa - (Trade Journal)
Berg, L., Samac, D.A. 2015. Management of seedling damping-off of alfalfa. Forage Focus. August 2015. Page 16.
Metagenomic analysis of microbial communities associated with Heterodera glycines in a suppressive soil - (Abstract Only)
Hu, W., Chen, S., Samac, D.A., Liu, X. 2015. Metagenomic analysis of microbial communities associated with Heterodera glycines in a suppressive soil[abstract]. 54th Annual Meeting of the Society of Nematologists. East Lansing, MI. July 19-24, 2015. p. 56-57.
Pasteuria endospore attachment to Pratylenchus species - (Abstract Only)
Oliveira, C.J., Grabau, Z., Samac, D.A., Chen, S. 2015. Pasteuria endospore attachment to Pratylenchus species[abstract]. 54th Annual Meeting of the Society of Nematologists. East Lansing, MI. July 19-24, 2015. p. 118.
Aphanomyces root rot of alfalfa: Widespread distribution of race 2 in Minnesota - (Review Article)
Samac, D.A. 2015. Aphanomyces root rot of alfalfa: Widespread distribution of race 2 in Minnesota. Forage Quarterly. 2(2):12-13.
Role of forage crops and soil microbes in promoting soil health and productivity - (Trade Journal)
Samac, D.A., Klatt, C.G. 2015. Role of forage crops and soil microbes in promoting soil health and productivity. Forage Focus. May 2015 Page 10-11.
Complete genome sequence of Clavibacter michiganensis subsp. insidiosus R1-1 using PacBio single-molecule real-time technology     Reprint Icon - (Peer Reviewed Journal)
Lu, Y., Samac, D.A., Glazebrook, J., Ishimaru, C.A. 2015. Complete genome sequence of Clavibacter michiganensis subsp. insidiosus R1-1 using PacBio single-molecule real-time technology. Genome Announcements. 3:e00396-15.
Mechanisms of qualitative and quantitative resistance to Aphanomyces root rot in alfalfa - (Abstract Only)
Samac, D.A., Bucciarelli, B., Lamb, J.F. 2015. Mechanisms of qualitative and quantitative resistance to Aphanomyces root rot in alfalfa [abstract]. Oomycete Molecular Genetics Network. p. 34.
Strategies for managing foliar and root rot diseases of alfalfa - (Abstract Only)
Samac, D.A. 2015. Strategies for managing foliar and root rot diseases of alfalfa [abstract]. In Proceedings of Idaho Hay and Forage Conference, February 26-27, 2015, Burley, Idaho. p. 29-34.
Sustainable green biorefineries - (Trade Journal)
Samac, D.A. 2015. Sustainable green biorefineries. Forage Focus. March 2015. Pages 10-11.
Managing the rotation from alfalfa to corn - (Experiment Station)
(02-Dec-14)
Stand age affects fertilizer nitrogen response in first-year corn following alfalfa     Reprint Icon - (Peer Reviewed Journal)
Yost, M.A., Russelle, M.P., Coulter, J.A., Schmitt, M.A., Sheaffer, C.C., Randall, G.W. 2015. Stand age affects fertilizer nitrogen response in first-year corn following alfalfa. Agronomy Journal. 107:486-494. DOI: 10.2134/agronj14.0493.
Biodegradation of atrazine by three transgenic grasses and alfalfa expressing a modified bacterial atrazine chlorohydrolase gene     Reprint Icon - (Peer Reviewed Journal)
Vail, A.W., Wang, P., Uefuji, H., Samac, D.A., Vance, C.P., Wackett, L.P., Sadowsky, M.J. 2015. Biodegradation of atrazine by three transgenic grasses and alfalfa expressing a modified bacterial atrazine chlorohydrolase gene. Transgenic Research. 24:475-488.
A mineral seed coating for control of seedling diseases of alfalfa suitable for organic production systems     Reprint Icon - (Peer Reviewed Journal)
Samac, D.A., Schraber, S., Barclay, S. 2015. A mineral seed coating for control of seedling diseases of alfalfa suitable for organic production systems. Plant Disease. 99(5):614-620.
Science from the field to your shopping cart - (Trade Journal)
Samac, D.A. 2014. Science from the field to your shopping cart. Forage Focus. August 2014. p. 6-7.
Opportunities exist to improve alfalfa and manure nitrogen crediting in corn following alfalfa - (Abstract Only)
(28-Jul-14)
Combining cropland data layers to identify alfalfa-annual crop rotation patterns and opportunities - (Abstract Only)
(28-Jul-14)
The alfalfa research program in USDA-ARS - (Abstract Only)
Samac, D.A. 2014. The alfalfa research program in USDA-ARS. 2014 North American Alfalfa Improvement Conference, July 8-10, 2014. Lethbridge, Alberta, Canada. Available: https://www.naaic.org/Meetings/National/2014meeting/NAAIC%20ARS%20abstract%202014.pdf.
Opportunities exist to improve alfalfa and manure nitrogen crediting in corn following alfalfa - (Peer Reviewed Journal)
Yost, M.A., Coulter, J.A., Russelle, M.P., Davenport, M.A. 2014. Opportunities exist to improve alfalfa and manure nitrogen crediting in corn following alfalfa. Agronomy Journal. 106(6):2098-2106.
Keeping N in its place: Legumes and N cycling in agro-ecosystems - (Abstract Only)
(21-Jun-14)
Challenges and opportunities for improved N management in corn following alfalfa - (Trade Journal)
Yost, M.A., Russelle, M.P., Coulter, J.A., Davenport, M.A. 2014. Challenges and opportunities for improved N management in corn following alfalfa. Clippings. June 16, 2014.
Transgene silencing of sucrose synthase in alfalfa stem vascular tissue by a truncated phosphoenolpyruvate carboxylase: sucrose synthase construct - (Abstract Only)
Gronwald, J.W., Yang, S.H., Bucciarelli, B., Miller, S.S., O'Rourke, J.A., Shin, S., Samac, D.A., Vance, C.P. 2014. Transgene silencing of sucrose synthase in alfalfa stem vascular tissue by a truncated phosphoenolpyruvate carboxylase: sucrose synthase construct. Plant Biology. July 12-16, 2014. Portland, OR.
Alfalfa stand length and subsequent crop patterns in the upper Midwestern United States - (Peer Reviewed Journal)
Yost, M.A., Russelle, M.P., Coulter, J.A., Bolstad, P.V. 2014. Alfalfa stand length and subsequent crop patterns in the upper Midwestern United States. Agronomy Journal. 106(5):1697-1708.
Characterization of the bacterial stem blight pathogen of alfalfa, Pseudomonas syringae pv. syringae ALF3 - (Abstract Only)
Samac, D.A., Studholmd, D.J., Ao, S. 2014. Characterization of the bacterial stem blight pathogen of alfalfa, Pseudomonas syringae pv. syringae ALF3. American Phytopathological Society Annual Meeting. August 9-13, 2014, Minneapolis, MN. Available: http://www.apsnet.org/meetings/Documents/2014_meeting_abstracts/aps2014abP03.htm.
Complete genome sequence of Clavibacter michiganensis subsp. insidiosus - (Abstract Only)
Lu, Y., Samac, D.A., Ishimaru, C.A., Glazebrook, J. 2014. Complete genome sequence of Clavibacter michiganensis subsp. insidiosus. American Phytopathological Society Annual Meeting. August 9-13, 2014, Minneapolis, MN. Available: http://www.apsnet.org/meetings/Documents/2014_meeting_abstracts/aps2014abP09.htm.
Assembly and annotation of the wildrice transcriptome challenged by Cochliobolus miyabeanus, the fungal brown spot pathogen - (Abstract Only)
Castell-Miller, C.V., Gutierrezgonzalez, J.J., Figueroa, M., Garvin, D.F., Samac, D.A. 2014. Assembly and annotation of the wildrice transcriptome challenged by Cochliobolus miyabeanus, the fungal brown spot pathogen. American Phytopathological Society Annual Meeting. August 9-13, 2014. Minneapolis, MN.
Alfalfa endophytes as novel sources of antimicrobial compounds that inhibit the growth of human and plant pathogens - (Abstract Only)
Wass, B., Jordan, A., Louters, M., Samac, D.A., Foster-Hartnett, D. 2014. Alfalfa endophytes as novel sources of antimicrobial compounds that inhibit the growth of human and plant pathogens. American Phytopathological Society Annual Meeting, August 9-13, 2014, Minneapolis, MN. Available: http://www.apsnet.org/meetings/Documents/2014_meeting_abstracts/aps2014abP120.htm.
Environmental variability and/or stability of stem fiber content and digestibility in alfalfa - (Peer Reviewed Journal)
Lamb, J.F., Jung, H.G., Samac, D.A. 2014. Environmental variability and/or stability of stem fiber content and digestibility in alfalfa. Crop Science. DOI: 10.2135.cropsci2014.04.0323.
Plant endophytes as novel sources of antimicrobials: Characterizing fungal isolates from alfalfa - (Abstract Only)
Wass, B., Samac, D.A., Foster-Hartnett, D. 2014. Plant endophytes as novel sources of antimicrobials: Characterizing fungal isolates from alfalfa. National Conferences on Undergraduate Research. April 3-5, 2014. Lexington, KY.
Satellite images reveal patterns in crop rotations with alfalfa - (Trade Journal)
Yost, M.A., Russelle, M.P., Coulter, J.A., Bolstad, P.V. 2014. Satellite images reveal patterns in crop rotations with alfalfa. Forage Focus. May 2014. p. 4-5.
Controlling herbicide-resistant weeds: consider incorporating alfalfa in a corn/soybean rotation - (Trade Journal)
Gronwald, J.W., Gunsolus, J.L. 2014. Controlling herbicide-resistant weeds: consider incorporating alfalfa in a corn/soybean rotation. Forage Focus. p. 16-17.
First report of Stemphylium globuliferum causing Stemphylium Leaf Spot on alfalfa (Medicago sativa) in the U.S. - (Peer Reviewed Journal)
Samac, D.A., Willbur, J.F., Behnken, L., Brietenbach, F., Blonde, G., Halfmann, B., Jensen, B., Sheaffer, C.C. 2014. First report of Stemphylium globuliferum causing Stemphylium Leaf Spot on alfalfa (Medicago sativa) in the U.S. Plant Disease. 98(7):993. Available: http://apsjournals.apsnet.org/doi/abs/10.1094/PDIS-08-13-0828-PDN.
The alfalfa N credit: field-specific recommendations may be coming - (Abstract Only)
(02-Jan-14)
First report of race 2 of Colletotrichum trifolii causing anthracnose on alfalfa (Medicago sativa) in Wisconsin - (Peer Reviewed Journal)
Samac, D.A., Allen, S., Witte, D., Miller, D., Peterson, J. 2014. First report of race 2 of Colletotrichum trifolii causing anthracnose on alfalfa (Medicago sativa) in Wisconsin. Plant Disease. 98(6):843.
Cash in on N credits when corn follows alfalfa - (Trade Journal)
Yost, M.A., Coulter, J.A., Russelle, M.P., Davenport, M.A. 2014. Cash in on N credits when corn follows alfalfa. Hay and Forage Grower. 29(1):24-25.
Second-year corn after alfalfa often requires no fertilizer nitrogen - (Peer Reviewed Journal)
Yost, M.A., Morris, T.F., Russelle, M.P., Coulter, J.A. 2014. Second-year corn after alfalfa often requires no fertilizer nitrogen. Agronomy Journal. 106(2):659-669.
Field-specific fertilizer nitrogen requirements for first-year corn following alfalfa - (Peer Reviewed Journal)
Yost, M.A., Russelle, M.P., Coulter, J.A. 2014. Field-specific fertilizer nitrogen requirements for first-year corn following alfalfa. Agronomy Journal. 106(2):645-658.
Wisconsin and Minnesota - a preliminary update on 2013 evaluation of Headline fungidice use on alfalfa - (Trade Journal)
Halfman, B., Blonde, G., Smith, D., Jensen, B., Samac, D.A., Behnken, L., Breitenbach, F. 2013. Wisconsin and Minnesota - a preliminary update on 2013 evaluation of Headline fungidice use on alfalfa. Forage Focus. December 2013. p. 22..
The Medicago sativa Gene Index 1.2: A web-accessible expression atlas of two Medicago sativa sub-species - (Abstract Only)
Fu, F., O'Rourke, J.A., Bucciarelli, B., Yang, S.S., Samac, D.A., Lamb, J.F., Krom, N., Zhao, P.X., Gronwald, J.W., Vance, C.P. 2013. The Medicago sativa Gene Index 1.2: A web-accessible expression atlas of two Medicago sativa sub-species. Cold Spring Harbor Meeting on Genome Informatics. October 30 - November 2, 2013. Cold Spring Harbor, NY.
Geographic trends in alfalfa stand age and crops that follow alfalfa - (Abstract Only)
Yost, M.A., Russelle, M.P., Coulter, J.A., Bolstad, P.V., Jenks, A.C. 2013. Geographic trends in alfalfa stand age and crops that follow alfalfa. In: Proceedings of the North Central Extension Industry Soil Fertility Conference, November 20-21, 2013, Des Moines, Iowa. 29:129.
Protecting the (alfalfa) crown jewels - (Trade Journal)
Samac, D.A., Lamb, J.F. 2013. Protecting the (alfalfa) crown jewels. Forage Focus. August 2013. Pages 7-9.
Simple, effective predictors of nitrogen need for corn following alfalfa - (Abstract Only)
Yost, M.A., Russelle, M.P., Coulter, J.A. 2013. Simple, effective predictors of nitrogen need for corn following alfalfa [abstract]. ASA-CSSA-SSSA 2013 International Annual Meeting. November 3-6, 2013, Tampa, Florida. Abstract No. 278-8. Available: https://dl.sciencesocieties.org/publications/meetings/2013am/11705/81323.
Field-specific N recommendations for second-year corn after alfalfa - (Abstract Only)
Coulter, J.A., Yost, M.A., Morris, T., Russelle, M.P. 2013. Field-specific N recommendations for second-year corn after alfalfa [abstract]. ASA, CSSA, & SSSA 2013 International Annual Meeting. Nov. 3-6, 2013, Tampa, FLorida. Abstract No. 135-8. Available: https://dl.sciencesocieties.org/publications/meetings/2013am/12478/81712.
Evaluating Headline fungicide on alfalfa production and sensitivity of pathogens to pyraclostrobin     Reprint Icon - (Peer Reviewed Journal)
Samac, D.A., Halfman, B., Jensen, B., Brietenbach, F., Behnken, L., Willbur, J.F., Undersander, D., Blonde, G., Lamb, J.F. 2013. Evaluating Headline fungicide on alfalfa production and sensitivity of pathogens to pyraclostrobin. Plant Health Progress. DOI: 10.1094/PHP-2013-0917-01-RS.
Improved predictability of fertilizer nitrogen need for corn following alfalfa - (Trade Journal)
Yost, M.A., Russelle, M.P., Coulter, J.A. 2013. Improved predictability of fertilizer nitrogen need for corn following alfalfa. Forage Focus. May 2013. p.18, 21.
Manure's dark side - (Trade Journal)
Russelle, M.P. 2013. Manure's dark side. Forage Focus. Available at: http://midwestforage.org/newsletter/130416clippings.htm.
Alfalfa non-feed uses - (Peer Reviewed Journal)
Lamb, J.F., Jung, H.G., Russelle, M.P., Sheaffer, C.V., Samac, D.A., Vance, C.P. 2014. Alfalfa non-feed uses. Legume Perspectives. 4:38.
Last Modified: 7/26/2016
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