• Role of WRKY transcription factors in quantitative resistance to Sclerotinia sclerotiorum 

  Zaman, Israt (North Dakota State University, 2024-07)

  Sclerotinia sclerotiorum, a necrotrophic fungal pathogen, infects more than 400 plant species globally, resulting in significant yield loss in the US annually. Challenges in controlling these diseases arise from the ...

• Evaluation of fungicide sensitivity and forms of resistance of selected Diaporthe species in soybean (Glycine max L.) 

  Mankara Sureshbabu, Bijula (North Dakota State University, 2024)

  In U.S, Diaporthe species caused yield losses of 0.2 million metric tons in soybean in 2022. Quinone outside inhibitor fungicides carry high risk of fungicide resistance and may use for managing Diaporthe. In this study, ...

• Effects of synonymous and nonsynonymous Cyp51 mutations on DMI resistance in Cercospora beticola 

  Courneya, Isaac (North Dakota State University, 2024)

  Cercospora beticola is the most devastating foliar pathogen of sugar beet. This pathogen is primarily managed by the application of fungicides, including demethylation inhibitors (DMIs). Given the broad use of DMIs in ...

• Managing Sclerotinia sclerotiorum: an emerging threat to the sugar beet industry 

  Aderoju, Mayowa (North Dakota State University, 2024)

  Recent studies have reported S. sclerotiorum (Lib.) de Bary as an emerging pathogen of sugar beet (Beta vulgaris L.) causing leaf blight, seedling damping-off and root necrosis, becoming a fundamental production problem ...

• The Impact of Plant Age, Fungicide Application Methodology and Timing, and Depth of Soil Inoculation on Infection by Rhizoctonia solani on Sugarbeet. 

  Pooran-DeSouza, Scmwattie (North Dakota State University, 2010)

  Rhizoctonia root rot caused by Rhizoctonia solani (Kuhn), is the most important problem faced by sugarbeet (Beta vulgaris L.) grm.vers in North Dakota and Minnesota. Research was conducted that may be used to manage the ...

• Characterization of North Dakota Hard Red Spring Wheat for Stem and Stripe Rust Resistance 

  Kim, YongJae (North Dakota State University, 2022)

  Puccinia graminis f. sp. tritici (Pgt) and Puccinia striiformis f. sp. tritici (Pst) are causal agents of devastating wheat stem and stripe rust diseases, respectively. Both diseases sporadically occur in North Dakota (ND), ...

• Development of Quantification and Diagnosis Methods for Cereal Bacterial Leaf Streak Pathogens 

  Hong, Eunhye (North Dakota State University, 2022)

  Bacterial leaf streak (BLS) has been a major disease on wheat and barley in the Northern Great Plains. It is caused by Xanthomonas translucens pv. undulosa (Xtu) on wheat and X. translucens pv. translucens (Xtt) on barley. ...

• Characterization and Detection of Bacterial Pathogens of Common Bean 

  Nelson, Katie (North Dakota State University, 2022)

  Common bacterial blight (CBB) (Xanthomonas axonopodis pv. phaseoli (Xap) and X. fuscans pv. fuscans (Xff), halo blight (Pseudomonas savastanoi pv. phaseolicola (Psp)), and bacterial brown spot (P. syringae pv. syringae ...

• Identification and Characterization of Novel Cercospora beticola Necrosis-Inducing Effectors 

  Hamilton, Olivia Grace (North Dakota State University, 2021)

  Cercospora beticola is a hemibiotrophic fungus responsible for Cercospora leaf spot disease of sugar beet (Beta vulgaris). Plant pathogens such as C. beticola utilize “effector” molecules to aid in disease establishment. ...

• Improving Disease Management in Field Pea and Durum Wheat in the MonDak Region 

  Gargouri-Jbir, Taheni (North Dakota State University, 2021)

  Results from wilt pathogenicity and race evaluations for 25 North Dakota Fusarium oxysporum f.sp. pisi (Fop) isolates conducted in the greenhouse indicated all Fop races exist in North Dakota. Race 2 isolates were more ...

• The Effect of Variable Seed-Borne Inoculum Load of Dickeya dianthicola on Performance and Infection of Field Grown Potatoes 

  Larson, William Kalvin (North Dakota State University, 2020)

  Field experiments were conducted at Live Oak, Florida, and Rhodesdale, Maryland, to evaluate the effect of variable seed-borne inoculum load of Dickeya dianthicola on potato plant emergence, plant growth throughout the ...

• Resistance Screening and QTL Mapping in Wheat and Triticale Against Root-Lesion Nematode 

  Singh, Gurminder (North Dakota State University, 2020)

  Root-lesion nematode (RLN, Pratylenchus neglectus) invades the roots of wheat and causes yield losses throughout the world. Genetic resistance is the most economical and effective means to manage RLNs. The objective of ...

• Developing a New Inoculation Method, and Evaluating the Potential Biological Control of Rhizoctonia solani by Penicillium pinophilum on Sugar Beet 

  Haque, Md Ehsanul (North Dakota State University, 2020)

  Rhizoctonia solani causes damping-off, and root and crown rot of sugar beet (Beta vulgaris L.) and overwinters as sclerotia and mycelia. Research was conducted to determine how best to produce large quantities of sclerotia ...

• Determination of Disease Impacts on Sunflower Yield 

  Hansen, Bryan Charles (North Dakota State University, 2020)

  Diseases that infect sunflower frequently occur in North Dakota, but the impact they have on yield is unclear. The objectives of this research are to 1) evaluate fungicide efficacy, application timing and yield impact of ...

• Plant-Parasitic Nematodes on Sugarbeet in North Dakota and Minnesota 

  KC, Ashmit (North Dakota State University, 2019)

  Field surveys were conducted in the Red River Valley (RRV) of North Dakota and Minnesota during 2016 and 2017 to determine the incidence, abundance, and distribution of plant-parasitic nematodes (PPNs) on sugarbeet. ...

• Inoculation and Spread of Dickeya in Potatoes 

  Greiner, Blake William (North Dakota State University, 2019)

  Field experiments were conducted in two different growing environments to evaluate the spread and movement of Dickeya dadantii. A procedure to inoculate seed potatoes with Dickeya dadantii was developed to use during this ...

• Screening of Germplasm Accessions from the Brassica Species for Resistance against PG3 and PG4 Isolates of Blackleg 

  Marino, Dante (North Dakota State University, 2011)

  Blackleg is a disease of canola and rapeseed cultivars that is caused by the fungus Leptosphaeria maculans (Desm.) Ces. & de Not., and it is by far the most destructive pathogen of canola in North America. In recent years, ...

• Plant-Parasitic Nematodes in Field Pea and Potato and their Effect on Plant Growth and Yield 

  Upadhaya, Arjun (North Dakota State University, 2018)

  In this study, surveys were conducted in pea and potato fields in North Dakota and Central Minnesota to investigate the incidence and abundance of plant-parasitic nematodes in these fields. Moreover, the effect of the pin ...

• Expression Analysis of the Expanded Cercosporin Gene Cluster in Cercospora beticola 

  Stott, Karina (North Dakota State University, 2018)

  Cercospora leaf spot is an economically devastating disease of sugar beet caused by the fungus Cercospora beticola. It has been demonstrated recently that the C. beticola CTB cluster is larger than previously recognized ...

• Assessing Cereal Aphid Diversity and Barley Yellow Dwarf Risk In Hard Red Spring Wheat and Durum 

  Haugen, Samuel Arthur McGrath (North Dakota State University, 2018)

  Barley yellow dwarf (BYD), caused by Barley yellow dwarf virus and Cereal yellow dwarf virus, and is a yield limiting disease of small grains. A research study was initiated in 2015 to identify the implications of BYD on ...

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