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Plant-Parasitic Nematodes on Corn (Zea mays L.) and Soybean (Glycine max L.) in North Dakota
(North Dakota State University, 2020)
Four studies were conducted to investigate plant-parasitic nematodes (PPN) of corn and soybean in ND. The first study investigated the incidence and abundance of vermiform PPN in ND corn fields in 2015 and 2016. Samples ...
Fitness and Management of Site-specific Fungicide Resistant Cercospora beticola Isolates from Sugar Beet
(North Dakota State University, 2020)
Cercospora leaf spot (CLS), caused by the fungal pathogen Cercospora beticola, is one of the most destructive foliar diseases on sugar beet. It severely affects productivity and profitability of the sugar beet industry. ...
Managing Economically Important Diseases of Sunflower and Oilseed Rape in North Dakota, California, and Schleswig-Holstein
(North Dakota State University, 2021)
Rust, caused by Puccinia helianthi, and blackleg, caused by Leptosphaeria maculans, are economically important diseases on sunflower and oilseed rape, respectively. In order to recommend the most effective disease management ...
Genetic and Molecular Characterization of Genes Involved in Barley-Cochliobolus Sativus Interaction
(North Dakota State University, 2015)
Spot blotch caused by ascomycete fungus Cochliobolus sativus (Ito & Kurib.) Drechs. ex Dastur. [anamorph: Bipolaris sorokiniana (Sacc.) Shoem.] is one of the most common and economically important diseases on barley. To ...
Studies on the Biology of Soybean Cyst Nematode
(North Dakota State University, 2011)
Soybean cyst nematode (SCN), Heterodera glycines, is a threat to soybean production in North Dakota. Studies on the biology of SCN were conducted to improve my understanding and management of this plant parasitic nematode. ...
Developing Management Tools for Sunflower Rust (Puccinia Helianthi)
(North Dakota State University, 2013)
Sunflower rust, caused by Puccinia helianthi (Schwein), is an economically important disease in North Dakota. Since 2008, sunflower rust incidence and severity have increased. Therefore, a four year study was initiated to ...
Sensitivity of Rhizoctonia Solani and Aphanomyces Cochlioides to Fungicides, and Fitness of Tetraconazole-Resistant Isolates of Cercospora Beticola after Exposure to Different Temperature Regimes
(North Dakota State University, 2015)
North Dakota and Minnesota produce 55% of USA sugarbeet production. Diseases caused by Rhizoctonia solani, Aphanomyces cochlioides, and Cercospora beticola are the major diseases affecting sugarbeet production in North ...
Genomics and Management of Fusarium Root Rot of Field Peas
(North Dakota State University, 2012)
Dry Pea or field pea (Pisum sativum L.) is an important cool season legume crop grown in the United States. Field peas are vulnerable to many diseases of which, soil borne diseases including wilt and root rot are of major ...
Movement and Accumulation of Candidatus Liberibacter Solanacearum in Potato Plants
(North Dakota State University, 2012)
A new disease affecting potatoes was first detected in Mexico in 1993. Affected plants had aerial symptoms similar to those caused by potato purple top and psyllid yellows, but tubers had internal brown discoloration when ...
Characterization of Pectobacterium carotovorum subsp. brasiliense as a Causal Agent of Sugarbeet Soft Rot
(North Dakota State University, 2018)
A soft rot decay of sugarbeet was observed in commercial fields in North Dakota and Minnesota from 2012 to 2016. Symptoms reported are similar to those for bacterial vascular necrosis and rot caused by Pectobacterium ...