Samuel G. Markell

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See Samuel G. Markell in the ISPI database of scientists.


Publications of Samuel G. Markell

Plant Disease (2019) 103, 601-618
Thomas Gulya, Robert Harveson, Febina Mathew, Charles Block, Sue Thompson, Hans Kandel, Duane Berglund, John Sandbakken, Larry Kleingartner and Samuel Markell (2019)
Comprehensive disease survey of U.S. sunflower: Disease trends, research priorities and unanticipated impacts

Plant Disease (2018) 102, p. 240 (Mathew et al.)
F.M. Mathew, T.J. Gulya, J.G. Jordahl and S.G. Markell (2018)
First report of stem disease of soybean (Glycine max) caused by Diaporthe gulyae in North Dakota

Theoretical and Applied Genetics (2018) 131, 1423-1432
G.J. Ma, Q.J. Song, S.G. Markell and L.L. Qi (2018)
High-throughput genotyping-by-sequencing facilitates molecular tagging of a novel rust resistance gene, R 15 , in sunflower (Helianthus annuus L.)

Theoretical and Applied Genetics (2017) 130, 29-39
Z.W. Zhang, G.J. Ma, J. Zhao, S.G. Markell and L.L. Qi (2017)
Discovery and introgression of the wild sunflower-derived novel downy mildew resistance gene Pl19 in confection sunflower (Helianthus annuus L.)

Phytopathology (2017) 107, 293-304
J. Alejandro Rojas, Janette L. Jacobs, Stephanie Napieralski, Behirda Karaj, Carl A. Bradley, Thomas Chase, Paul D. Esker, Loren J. Giesler, Doug J. Jardine, Dean K. Malvick, Samuel G. Markell, Berlin D. Nelson, Alison E. Robertson, John C. Rupe, Damon L. Smith, Laura E. Sweets, Albert U. Tenuta, Kiersten A. Wise and Martin I. Chilvers (2017)
Oomycete species associated with soybean seedlings in North America - part II: Diversity and ecology in relation to environmental and edaphic factors

Plant Disease (2017) 101, p. 382 (Olson et al.)
T.R. Olson, B. Kontz, S.G. Markell, T.J. Gulya and F.M. Mathew (2017)
First report of Diaporthe stewartii causing Phomopsis stem canker of sunflower (Helianthus annuus) in Minnesota

Theoretical and Applied Genetics (2017) 130, 1519-1529
G.J. Ma, S.G. Markell, Q.J. Song and L.L. Qi (2017)
Genotyping-by-sequencing targeting of a novel downy mildew resistance gene Pl20 from wild Helianthus argophyllus for sunflower (Helianthus annuus L.)

Phytopathology (2017) 107, 280-292
J. Alejandro Rojas, Janette L. Jacobs, Stephanie Napieralski, Behirda Karaj, Carl A. Bradley, Thomas Chase, Paul D. Esker, Loren J. Giesler, Doug J. Jardine, Dean K. Malvick, Samuel G. Markell, Berlin D. Nelson, Alison E. Robertson, John C. Rupe, Damon L. Smith, Laura E. Sweets, Albert U. Tenuta, Kiersten A. Wise and Martin I. Chilvers (2017)
Oomycete species associated with soybean seedlings in North America - part I: Identification and pathogenicity characterization

Canadian Journal of Plant Pathology (2016) 38, 64-69
Jessica M. Halvorson, Robin S. Lamppa, Samuel G. Markell and Julie S. Pasche (2016)
Characterization of Colletotrichum lindemuthianum races infecting dry edible bean in North Dakota

Phytopathology (2015) 105, 990-997
Febina M. Mathew, Kholoud M. Alananbeh, James G. Jordahl, Scott M. Meyer, Lisa A. Castlebury, Thomas J. Gulya and Samuel G. Markell (2015)
Phomopsis stem canker: A reemerging threat to sunflower (Helianthus annuus) in the United States

Plant Disease (2015) 99, 1210-1215
Andrew J. Friskop, Thomas J. Gulya, Scott A. Halley, Blaine G. Schatz, Joel P. Schaefer, James G. Jordahl, Scott M. Meyer, Kevin W. Misek, Paul Hendrickson and Samuel G. Markell (2015)
Effect of fungicide and timing of application on management of sunflower rust

Plant Disease (2015) 99, p. 160 (Mathew et al.)
F.M. Mathew, K.Y. Rashid, T.J. Gulya and S.G. Markell (2015)
First report of Phomopsis stem canker of sunflower (Helianthus annuus) caused by Diaporthe gulyae in Canada

European Journal of Plant Pathology (2015) 143, 641-649
Kishore Chittem, Febina M. Mathew, Matthew Gregoire, Robin S. Lamppa, Yen Wei Chang, Samuel G. Markell, Carl A. Bradley, Tharcisse Barasubiye and Rubella S. Goswami (2015)
Identification and characterization of Fusarium spp. associated with root rots of field pea in North Dakota

Theoretical and Applied Genetics (2015) 128, 477-488
L.L. Qi, G.J. Ma, Y.M. Long, B.S. Hulke, L. Gong and S.G. Markell (2015)
Relocation of a rust resistance gene R 2 and its marker-assisted gene pyramiding in confection sunflower (Helianthus annuus L.)

Plant Disease (2015) 99, 1604-1609
Andrew J. Friskop, Thomas J. Gulya, Robert M. Harveson, Ryan M. Humann, Maricelis Acevedo and Samuel G. Markell (2015)
Phenotypic diversity of Puccinia helianthi (sunflower rust) in the United States from 2011 and 2012

Plant Disease (2014) 98, 328-335
Achala Nepal, S. Markell, J. Knodel, C.A. Bradley and L.E. del Río Mendoza (2014)
Prevalence of blackleg and pathogenicity groups of Leptosphaeria maculans in North Dakota

Plant Pathology (2013) 62, 688-697
J.A. Delgado, T.C. Lynnes, S.W. Meinhardt, K.A. Wise, N.C. Gudmestad, C.A. Bradley, S.G. Markell and R.S. Goswami (2013)
Identification of the mutation responsible for resistance to QoI fungicides and its detection in Ascochyta rabiei (teleomorph Didymella rabiei)

Theoretical and Applied Genetics (2013) 126, 93-99
L. Gong, B.S. Hulke, T.J. Gulya, S.G. Markell and L.L. Qi (2013)
Molecular tagging of a novel rust resistance gene R12 in sunflower (Helianthus annuus L.)

Theoretical and Applied Genetics (2013) 126, 2039-2049
L. Gong, T.J. Gulya, S.G. Markell, B.S. Hulke and L.L. Qi (2013)
Genetic mapping of rust resistance genes in confection sunflower line HA-R6 and oilseed line RHA 397

Plant Disease (2012) 96, p. 1073 (Delgado et al.)
J.A. Delgado, R.S. Goswami, R.M. Harveson, C.A. Urrea, D. Beran and S.G. Markell (2012)
First report of Ascochyta blight caused by QoI-resistant isolates of Ascochyta rabiei in chickpea fields of Nebraska and South Dakota

Molecular Plant Pathology (2012) 13, 494-507
Javier A. Delgado, Omar Al-Azzam, Anne M. Denton, Samuel G. Markell and Rubella S. Goswami (2012)
A resource for the in silico identification of fungal polyketide synthases from predicted fungal proteomes

Plant Disease (2012) 96, 666-672
F.M. Mathew, R.S. Lamppa, K. Chittem, Y.W. Chang, M. Botschner, K. Kinzer, R.S. Goswami and S.G. Markell (2012)
Characterization and pathogenicity of Rhizoctonia solani isolates affecting Pisum sativum in North Dakota

Plant Disease (2010) 94, p. 273 (Bradley et al.)
C.A. Bradley, N.R. Pataky, T. Gulya, A. Friskop, J. Jordah and S. Markell (2010)
First report of virulence phenotypes of Puccinia helianthi, causal agent of sunflower rust in Illinois

Plant Disease (2010) 94, p. 789 (Mathew et al.)
F.M. Mathew, R.S. Goswami, S.G. Markell, L. Osborne, C. Tande and B. Ruden (2010)
First report of ascochyta blight of field pea caused by Ascochyta pisi in South Dakota

Plant Disease (2009) 93, p. 668 (Markell et al.)
S. Markell, T. Gulya, K. McKay, M. Hutter, C. Hollingsworth, V. Ulstad, R. Koch and A. Knudsvig (2009)
Widespread occurrence of the aecial stage of sunflower rust caused by Puccinia helianthi in North Dakota and Minnesota in 2008

Crop Science (2009) 49, 521-528
S.G. Markell, C.A. Griffey and E.A. Milus (2009)
Inheritance of resistance to stripe rust in three lines of soft red winter wheat

Phytopathology (2008) 98, 632-639
S.G. Markell and E.A. Milus (2008)
Emergence of a novel population of Puccinia striiformis f. sp. tritici in eastern United States

Plant Disease (2003) 87, 814-820
S.G. Markell and L.J. Francl (2003)
Fusarium head blight inoculum: species prevalence and Gibberella zeae spore type