Publications by authors named "Samuel G Markell"

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Soybean Seed Treatment Evaluation under Various Levels of Sudden Death Syndrome and Populations of Soybean Cyst Nematode.
Nabin Kumar Dangal, Edward M Ernat, Eric A Adee, Alyssa K Betts, Mandy Bish, Samuel G Markell

Plant Dis· November 2025

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Identifying Host Resistance in Dry Edible Beans ( L.) against Soybean Cyst Nematode ( Ichinohe) Population HG Type 2.5.7 in North Dakota.
Prabhat Poudyal, Jose Figueroa-Cerna, Juan Osorno, Samuel G Markell, Guiping Yan

Plant Dis· November 2025

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Effect of Fungicide and Timing of Application on Management of Phoma Black Stem of Cultivated Sunflowers in the United States.
Bryan C Hansen, Michelle A Gilley, Brandt G Berghuis, Jessica M Halvorson, Andrew J Friskop, Samuel G Markell

Plant Dis· July 2024

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Management of Soybean Cyst Nematode and Sudden Death Syndrome with Nematode-Protectant Seed Treatments Across Multiple Environments in Soybean.
Kaitlyn M Bissonnette, Jefferson Barizon, Eric Adee, Keith A Ames, Talon Becker, Samuel G Markell

Plant Dis· June 2024

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Ascochyta blight in North Dakota field pea: the pathogen complex and its fungicide sensitivity.
Dimitri L Fonseka, Samuel G Markell, Marcio L Zaccaron, Malaika K Ebert, Julie S Pasche

Front Plant Sci· August 2023

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Foliar Fungicides Containing FRAC 11 Mitigate Phomopsis Stem Canker in Sunflower ().
Nabin K Dangal, Hossein M Rekabdarkolaee, Samuel G Markell, Robert M Harveson, Febina M Mathew

Plant Dis· March 2023

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Multiple Species of Asteraceae Plants Are Susceptible to Root Infection by the Necrotrophic Fungal Pathogen .
William Underwood, Michelle Gilley, Christopher G Misar, Thomas J Gulya, Gerald J Seiler, Samuel G Markell

Plant Dis· May 2022

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A Greenhouse Method to Evaluate Sunflower Quantitative Resistance to Basal Stalk Rot Caused by .
William Underwood, Christopher G Misar, Charles Block, Thomas J Gulya, Zahirul Talukder, Samuel G Markell

Plant Dis· February 2021

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Determination of Virulence Phenotypes of in the United States.
Michelle A Gilley, Thomas J Gulya, Gerald J Seiler, William Underwood, Brent S Hulke, Samuel G Markell

Plant Dis· November 2020

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Developing Public-Private Partnerships in Plant Pathology Extension: Case Studies and Opportunities in the United States.
Samuel G Markell, Gregory L Tylka, Edwin J Anderson, H Peter van Esse

Annu Rev Phytopathol· August 2020

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Quantitative PCR Assays Developed for and for Phomopsis Stem Canker Diagnosis and Germplasm Screening in Sunflower ().
Taylor R Elverson, Brian J Kontz, Samuel G Markell, Robert M Harveson, Febina M Mathew

Plant Dis· March 2020

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Evaluation of Oxathiapiprolin for the Management of Sunflower Downy Mildew.
Ryan M Humann, Keith D Johnson, Michael J Wunsch, Scott M Meyer, James G Jordahl, Samuel G Markell

Plant Dis· October 2019

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Oomycete Species Associated with Soybean Seedlings in North America-Part I: Identification and Pathogenicity Characterization.
J Alejandro Rojas, Janette L Jacobs, Stephanie Napieralski, Behirda Karaj, Carl A Bradley, Samuel G Markell

Phytopathology· March 2017

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Oomycete Species Associated with Soybean Seedlings in North America-Part II: Diversity and Ecology in Relation to Environmental and Edaphic Factors.
J Alejandro Rojas, Janette L Jacobs, Stephanie Napieralski, Behirda Karaj, Carl A Bradley, Samuel G Markell

Phytopathology· March 2017

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Phenotypic Diversity of Puccinia helianthi (Sunflower Rust) in the United States from 2011 and 2012.
Andrew J Friskop, Thomas J Gulya, Robert M Harveson, Ryan M Humann, Maricelis Acevedo, Samuel G Markell

Plant Dis· November 2015

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Effect of Fungicide and Timing of Application on Management of Sunflower Rust.
Andrew J Friskop, Thomas J Gulya, Scott A Halley, Blaine G Schatz, Joel P Schaefer, Samuel G Markell

Plant Dis· September 2015

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Phomopsis Stem Canker: A Reemerging Threat to Sunflower (Helianthus annuus) in the United States.
Febina M Mathew, Kholoud M Alananbeh, James G Jordahl, Scott M Meyer, Lisa A Castlebury, Samuel G Markell

Phytopathology· July 2015

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A resource for the in silico identification of fungal polyketide synthases from predicted fungal proteomes.
Javier A Delgado, Omar Al-Azzam, Anne M Denton, Samuel G Markell, Rubella S Goswami

Mol Plant Pathol· June 2012

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Gene cloning using degenerate primers and genome walking.
Javier A Delgado, Steven Meinhardt, Samuel G Markell, Rubella S Goswami

Methods Mol Biol· April 2012

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