Known Distribution of the Soybean Cyst Nematode, Heterodera glycines, in the United States and Canada, 1954 to 2017

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2017-06-19
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Marett, Christopher
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Tylka, Gregory
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Plant Pathology and Microbiology
The Department of Plant Pathology and Microbiology and the Department of Entomology officially merged as of September 1, 2022. The new department is known as the Department of Plant Pathology, Entomology, and Microbiology (PPEM). The overall mission of the Department is to benefit society through research, teaching, and extension activities that improve pest management and prevent disease. Collectively, the Department consists of about 100 faculty, staff, and students who are engaged in research, teaching, and extension activities that are central to the mission of the College of Agriculture and Life Sciences. The Department possesses state-of-the-art research and teaching facilities in the Advanced Research and Teaching Building and in Science II. In addition, research and extension activities are performed off-campus at the Field Extension Education Laboratory, the Horticulture Station, the Agriculture Engineering/Agronomy Farm, and several Research and Demonstration Farms located around the state. Furthermore, the Department houses the Plant and Insect Diagnostic Clinic, the Iowa Soybean Research Center, the Insect Zoo, and BugGuide. Several USDA-ARS scientists are also affiliated with the Department.
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The soybean cyst nematode (SCN), Heterodera glycines Ichinohe, remains a major yield-reducing pathogen of soybeans, Glycine max L. Merr., in North America more than 60 years after its first discovery in the United States, in North Carolina in 1954 (Winstead et al. 1955). The nematode recently was ranked as the most damaging soybean pathogen in the United States and Canada (Allen et al. 2017). SCN is believed to have been introduced to the United States from Asia (Noel 1992; Riggs 2004), and as an introduced pest, knowledge of the distribution of SCN can be helpful in identifying areas where scouting and management efforts should be focused. Such information is especially important for SCN because yield-reducing infestations can occur without obvious above-ground symptoms (Wang et al. 2003).

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This article is published as Tylka, Gregory L., and Christopher C. Marett. "Known Distribution of the Soybean Cyst Nematode, Heterodera glycines, in the United States and Canada, 1954 to 2017." Plant Health Progress 18, no. 3 (2017): 167-168. doi: 10.1094/PHP-05-17-0031-BR. Posted with permission.

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Sun Jan 01 00:00:00 UTC 2017
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