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Category Posts for Disease

27
May
2015
How effective are fungicides applied at early growth stages on corn in Arkansas?
Author: Travis Faske, Extension Plant Pathologist

Corn fungicides have been marketed for use on corn at early growth stages of corn (V5 – V7) for the past few years; however, based on university trials, fungicides applied at these early growth stages proved little or no benefit in regards to disease control or yield. Given that some growers may be considering such […]

19
May
2015
Soybean Seedling Disease vs. Herbicide Injury
Author: Travis Faske, Extension Plant Pathologist

Seedling diseases of soybean are a chronic problem caused by several soilborne fungi. As the name implies, these diseases occurs at early growth stages (VE to V1), but their symptoms can look similar to herbicide injury. In 2014, cool, wet growing conditions during the early stages of seedling development resulted in several fields with seedlings […]

12
May
2015
Recently Updated: Corn Diseases and Nematodes Chapter for the Arkansas Corn Production Handbook
Author: Travis Faske, Extension Plant Pathologist

The recently updated corn diseases and nematodes chapter for the Arkansas corn production handbook is now available online. This new publication contains 29 color photos of corn diseases and useful information on the identification and management of nearly 20 corn diseases caused by bacteria, fungi, viruses, and nematodes that occur in Arkansas. Additionally, there is […]

07
May
2015
Arkansas Rice Update 5-7-15
Author: Jarrod Hardke, Rice Extension Agronomist

May 7, 2015                               No. 2015-11 Dr. Jarrod Hardke Planting Progress Never more than two weeks away from a drought.  That definitely seems true right now.  In the last 10 days, most areas of the state have gone from muddy fields, to dry and planting non-stop, to planting into dry soil. Many now find themselves in […]

01
May
2015
Arkansas Rice Update 5-1-2015
Author: Jarrod Hardke, Rice Extension Agronomist

May 1, 2015                               No. 2015-10 Dr. Jarrod Hardke Planting Progress We’re off and running now.  This week should mark the largest jump in planted acreage of the year.  Weather this week and into next week should be perfect for making progress.  In fact, some have made so much progress that they’re already looking forward to […]

23
Apr
2015
Wheat Progress and Disease Update
Author: Jason Kelley, Wheat & Feed Grains Extension Agronomist

Wheat in Arkansas is progressing rapidly. The April 20th Arkansas Agriculture Statistics Service Crop report indicated that 14% of the crop had headed compared to 4% last year and 37% for the 5-year average. Overall the cool weather this spring has delayed development, but I still feel like we are a few days further along […]

23
Apr
2015
Update on Scab Management for Arkansas Wheat
Author: Terry Spurlock, Extension Plant Pathologist

Fusarium head blight (scab) is a fungal disease of wheat that causes yield loss as well as grain quality issues.  Arkansas has been fortunate in past years that fusarium head blight has not been a widespread problem, although parts of Northeast Arkansas had problems with this disease last year, resulting in low yields and poor […]

17
Apr
2015
Arkansas Rice Update 4-17-15
Author: Jarrod Hardke, Rice Extension Agronomist

April 17, 2015                              No. 2015-8 Dr. Jarrod Hardke Planting Progress Hurry up and wait.  There was very little, if any, progress anywhere in the state this week.  The USDA progress report showed Arkansas at 21% planted – I’d say probably 45% of acres south of I-40 are planted and 5-7% of acres north of I-40 […]

15
Apr
2015
Bacterial panicle blight of rice in Arkansas
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

About the Disease Bacterial panicle blight (BPB) is an important disease in Arkansas rice that has caused huge losses over the years, including 1995, 2010 and 2011. The cause was identified about 1996 by LSU scientists, but the problem has likely been around for a long time in the United States, often called something else. […]

10
Apr
2015
Arkansas Rice Update 4-10-15
Author: Jarrod Hardke, Rice Extension Agronomist

April 10, 2015                              No. 2015-7 Dr. Jarrod Hardke Planting Progress On Monday the USDA planting progress report showed Arkansas at 6% planted.  This represents a contrast between the northern and southern halves of the state.  Prior to the report, an estimate may have been that 20% of rice is planted south of I-40 and <5% […]