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Category Posts for Emerson, Michael

03
Oct
2013
Know your soybean diseases: Don’t be fooled by doppelgangers
Author: Terry Kirkpatrick, Professor - Plant Pathology

Several soilborne soybean diseases occur in Arkansas that may look somewhat similar upon casual observation.  It is important, however, to accurately distinguish which is which because yield loss potential, as well as disease management and prevention may be radically different.  The following is a comparison of symptoms associated with southern soybean stem canker (SC), sudden […]

22
Jan
2013
Need help selecting soybean varieties? 2012 Soybean Updates now available
Author: Jeremy Ross, Extension Agronomist - Soybeans

Each year, numerous soybean varieties are commercially available to growers in Arkansas. However, only a limited number of soybean varieties have been tested in Arkansas at April plantings. Yield performance in early (April) plantings varies according to location, adaptability to soils, relative maturity, lodging, shattering potential, disease and nematode resistance, as well as herbicide and […]

22
Jun
2012
Southern rust of corn is popping up in other Arkansas counties
Author: Travis Faske, Extension Plant Pathologist

Earlier this week (June 18, 2012) southern rust was reported in Jefferson Co.  As of today, southern rust has been confirmed in nine more counties that include: Arkansas, Lee, Lonoke, Monroe, Prairie, St. Francis, Jackson, White, and Woodruff counties.  The highest disease severity was 2 to 4 pustules per leaf on corn in Monroe and […]

20
Jun
2012
Southern rust of corn has been found in Arkansas
Author: Travis Faske, Extension Plant Pathologist

Southern rust was confirmed this week (June 18, 2012) on corn in Arkansas.  This confirmation is about one week earlier than that of 2010 and nearly one month after Southern rust was found this year in Louisiana.  Southern rust was confirmed in four fields near Pine Bluff, AR.  Rust pustules were found in the mid […]