Arkansas Corn: Southern Rust Detected, Start Scouting

🕔Jul 18, 2018Southern rust was detected last week (July 13) in Conway Co. near Plumerville and in Jackson Co. near Newport.  In both cases the incidence was low (one or two plants) […]

Missouri Corn: Southern Rust Makes 1st Seasonal Appearance

🕔Jul 11, 2018Southern rust (Puccinia polysora) is a relatively common, annually occurring disease of corn that can result in significant yield loss if infection is severe. Generally, it is observed in many, […]

Mississippi Corn: Disease Situation Heating Up

🕔Jun 27, 2018A little longer post than I would like, but things appear to be heating up in the presence of foliar corn diseases in our production system over the past 10 […]

Iowa Corn: Extension Uses Twitter to Map Spread of Southern Rust

🕔Jun 21, 2018A new  study illustrates the potential to map the spread of pests and diseases through Twitter. The study was conducted by Iowa State University, as well as several other partnering universities […]

Nebraska Corn Disease: Are We Out of the Woods Yet?

🕔Aug 21, 2017As often occurs in Nebraska, the late-season weather with abundant dew, high relative humidity, and rainfall is driving increases in some crop diseases. Some corn fields have matured far enough […]

Pennsylvania Corn: Disease to Look For

🕔Aug 9, 2017Since much of the PA crop is into grain fill stages of corn development, foliar diseases start to become pretty important around now. If a crop was sprayed with a […]

Indiana Corn: Southern Rust Appears Earlier Than Normal

🕔Jul 31, 2017Southern rust of corn, caused by the fungus Puccinia polysora, has been detected in several Indiana counties (Figure 1). The detection of southern rust is earlier than normal, and has […]

Nebraska Corn Disease: Southern Rust Confirmed in 12-Plus Counties

🕔Jul 31, 2017Southern Rust Update Southern corn rust has now been confirmed in more than a dozen Nebraska counties in eastern and south central Nebraska. The furthest north the disease has been confirmed is […]

Nebraska: Southern Rust Confirmed in 7 Counties

🕔Jul 24, 2017Update: Southern rust was confirmed on samples from Richardson, Nemaha, Otoe, and Thayer counties July 20. Southern corn rust was confirmed in Seward County July 19, York County July 18, […]

Corn: Midwest Fields Hit by Southern Rust – DTN

🕔Jul 24, 2017Defying its name once again, southern corn rust has invaded Midwestern cornfields earlier than ever — and this time, it arrived in time to do economic damage. “This is the […]

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