Nine Species of Pythium Associated with Corn Seeding Blight in Southeastern Iowa

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2013-04-15
Authors
Robertson, Alison
Matthiesen, Rashelle
Robertson, Alison
Ahmad, Azeem
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Abstract

During the 2012 growing season, several thousands of acres of corn in southern Iowa were replanted in late May because of poor stands caused by seedling disease. Many of the fields affected were planted between April 23 and 27. From April 28 through May 8, 2 to 6 inches of rain fell across southern Iowa and southeastern Iowa, respectively, and soil temperatures dropped below 55°F for four to five days. Approximately, one week later, damped off seedlings were reported in the area.

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