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Category Posts for Disease

24
Jun
2016
Arkansas Rice Update 6-24-16
Author: Jarrod Hardke, Rice Extension Agronomist

Arkansas Rice Update Dr. Jarrod Hardke June 24, 2016  No. 2016-15                www.uaex.edu/rice Crop Progress Standing outside has felt like standing in front of either a hot blowdryer or a blowtorch depending on your perspective.  Hot, humid conditions have the rice crop progressing well, but all those out in […]

24
Jun
2016
Southern rust of corn detected in Southeast Arkansas
Author: Travis Faske, Extension Plant Pathologist

By Travis Faske, Extension Plant Pathologist Southern rust was confirmed earlier this week (June 23, 2016) from a commercial corn field south of Eudora in Chicot County. This is the first report of southern rust for the 2016 cropping season, which is about two weeks earlier than in 2015 when it was detected in three […]

21
Jun
2016
Rice blast active in Arkansas: Start scouting
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist, and Jarrod Hardke, Extension Rice Agronomist Most rice in Arkansas is near or well past internode elongation (joint movement).  Except for a few cases of seedling disease complexes and hydrogen sulfide toxicity, until now, blast and sheath blight rice diseases have been relatively quiet in Arkansas.  Today (June 20, […]

18
Jun
2016
Arkansas Rice Update 6-18-16
Author: Jarrod Hardke, Rice Extension Agronomist

Arkansas Rice Update Dr. Jarrod Hardke, Scott Stiles, & Dr. Yeshi Wamishe June 18, 2016  No. 2016-14                www.uaex.edu/rice Crop Progress “It’s not so much the heat that’ll get you, but the humidity.”  It may get old hearing it said, but it doesn’t make it any less true.  On […]

03
Jun
2016
Start scouting rice for hydrogen sulfide toxicity
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist, and Jarrod Hardke, Extension Rice Agronomist With temperatures increasing, early planted rice will soon reach the reproductive stage. In fields with a history of hydrogen sulfide toxicity (also referred as autumn decline or akiochi), draining the flood and drying the field for a few days before midseason (DD50 for […]

28
May
2016
Arkansas Rice Update 5-28-16
Author: Jarrod Hardke, Rice Extension Agronomist

Arkansas Rice Update Dr. Jarrod Hardke, Mike Hamilton, & Dr. Yeshi Wamishe May 27, 2016  No. 2016-11                www.uaex.edu/rice Crop Progress Beware the Ides of Midseason.  Now that it’s time to fertilize and flood, it seems the weather is going to start working against us.  More on that in […]

16
May
2016
Crop pest scouting schools set for May 24 in McGehee and May 25 in Jonesboro
Author: Glenn Studebaker, Extension Entomologist

By Glenn Studebaker, Extension Entomologist/IPM Coordinator Crop pest scouting schools will be conducted on May 24 (McGehee) and May 25 (Jonesboro), 2016.  This year we have added sections on plant diseases.  The schools are classroom setting, providing information on identification and scouting techniques for insect and disease pests of cotton, soybean, rice, corn and grain […]

26
Apr
2016
Policy change by the European Union to affect Arkansas peanut production
Author: Travis Faske, Extension Plant Pathologist

By Travis Faske, Associate Professor/Extension Plant Pathologist A recent policy change by the European Union will affect the use of propiconazole and phosphorus acid/phosphite fungicides in peanut.  This change is NOT based on fungicide safety concern as these fungicides remain labeled for use in the US, but rather in the sale of peanuts treated with […]

13
Apr
2016
Foliar disease and scab update and 2016 fungicide efficacy table for wheat
Author: Terry Spurlock, Extension Plant Pathologist

By Terry Spurlock, Extension Plant Pathologist Leaf rust, stripe rust, and Septoria leaf blotch were found on wheat prior to flag leaf emergence.  While severity in fields has been variable, some fields were sprayed with 4oz/A of propiconazole (Tilt or equivalent generic).  This application should provide residual control of stripe rust long enough for many […]

01
Apr
2016
Arkansas Rice Update 4-1-16
Author: Jarrod Hardke, Rice Extension Agronomist

Arkansas Rice Update Dr. Jarrod Hardke April 1, 2016  No. 2016-04                www.uaex.edu/rice  Crop Outlook / Progress The state now has over 10% of the rice acreage in the ground – a lot of which is under water after the week’s rainfall events.  Percent of rice planted by March […]