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Category Posts for Disease

21
Jun
2017
Rice Research Verification Program Update – June 20, 2017
Author: Ron Baker, Rice Research Verification Program Coordinator

By Ron Baker and Ralph Mazzanti, Rice Research Verification Program Coordinators South Arkansas:   The warm weather has rice moving in the fast lane.  The Pulaski County field has gates installed and was the last field to be flooded.  All verification fields except Pulaski are progressing well and are at internode elongation (IE).  Mid-season nitrogen has […]

20
Jun
2017
Rice blast alert: First confirmed report on Jupiter at green ring stage in Woodruff County
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist Most early planted rice in Arkansas is somewhere between green ring and panicle initiation and has started moving with the warm weather. Today (June 20, 2017), we received a report of leaf blast on medium grain rice variety Jupiter which is at half inch internode elongation in Woodruff County […]

17
Jun
2017
Arkansas Rice Update 6-16-17
Author: Jarrod Hardke, Rice Extension Agronomist

Arkansas Rice Update Dr. Jarrod Hardke, Dr. Yeshi Wamishe, & Scott Stiles June 16, 2017  No. 2017-13                www.uaex.edu/rice Crop Progress “Like the jitterbug it plum evaded me.”  Not sure why rice prices keep climbing like they are, or why rice is still being planted, but here we are […]

16
Jun
2017
2017 Soybean Research Verification Program Weekly Update – June 16, 2017
Author: Chad Norton, Soybean/Wheat Verification Program Coordinator

By Chad Norton and Chris Elkins, Soybean Research Verification Program Coordinators The last field was planted which brings the total to 19. No fields received any rainfall over the past week.  Jefferson, Phillips and Lincoln received initial irrigations with a few others that should be irrigated over the weekend.  Stink bugs, mostly greens, are starting […]

16
Jun
2017
Start Scouting for Sheath Blight Disease as Rice Approaches Reproductive Stages
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist Scouting for sheath blight rice disease is recommended starting at the green ring developmental stage. Automatic application of fungicides is highly discouraged due to the potential of fungicide resistance development and nonprofitabiliy if applied in the absence or when sheath blight is below the threshold level.  Additionally, correct diagnosis […]

13
Jun
2017
Imposter of target spot popping up in some soybean fields
Author: Travis Faske, Extension Plant Pathologist

By Travis Faske, Extension Plant Pathologist During the end of the 2016 cropping season target spot was seen in several soybean fields in the Mississippi River Delta including several counties in Arkansas.  Because of the widespread concern for target spot, consultants and growers are on the lookout for anything that looks like target spot.  Though […]

09
Jun
2017
Arkansas Rice Update 6-9-17
Author: Jarrod Hardke, Rice Extension Agronomist

Arkansas Rice Update Dr. Jarrod Hardke & Scott Stiles June 9, 2017  No. 2017-12                www.uaex.edu/rice Crop Progress And just like that, we might make a crop after all.  It’s amazing what a little warm weather and sunshine will do for a rice crop and a farmer’s disposition.  A […]

09
Jun
2017
It’s time to start scouting for rice blast disease
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist Rice blast disease can be managed by planting relatively resistant varieties in fields with a history of blast. Current commercial rice varieties grown in Arkansas range from resistant to very susceptible to blast disease (Table 1).  Planting blast-susceptible varieties in blast-prone fields can result in near 100 percent yield […]

07
Jun
2017
Scouting Tips for Southern Rust in Corn
Author: Travis Faske, Extension Plant Pathologist

By Travis Faske, Extension Plant Pathologist Southern rust has NOT be found in Arkansas, but given the recent storm activity and warmer weather it is only a matter of time before someone finds it somewhere in the state or at least the mid-South.  Reports of southern rust activity will be posted here or on the […]

26
May
2017
Tips for Scouting for Hydrogen Sulfide Toxicity in Rice
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wasmishe, Extension Rice Pathologist; and Jarrod Hardke, Extension Rice Agronomist Healthy roots promote healthy plant growth.  Scouting for hydrogen sulfide toxicity in submerged rice is an essential practice to avoiding the risk of crop damage.  Regular scouting for hydrogen sulfide toxicity starting two to three weeks after permanent flood is established is highly […]