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Category Posts for Physiology

24
Jul
2017
Soybean Research Verification Program Update for July 21, 2017
Author: Chad Norton, Soybean/Wheat Verification Program Coordinator

By Chad Norton and Chris Elkins, Soybean Research Verification Program Coordinators Rainfall was hard to come by last week as several fields received none, Miller county was the winner with 1.6” rain. As a result, all non-dryland fields received irrigations this past week. No other fields had to be treated for insects and where insecticides […]

18
Jul
2017
Rice Research Verification Program Update for July 14, 2017
Author: Ralph Mazzanti, Rice Research Verification Coordinator

By Ron Baker and Ralph Mazzanti, Rice Research Verification Program Coordinators South Arkansas:  Rice stink bugs are increasing across the southern part of the state.  The three fields reaching treatment levels this past week were Lafayette, Lincoln and Prairie Counties.  Prairie County is getting close to the second rice stink bug threshold.  Desha County has […]

17
Jul
2017
When to stop irrigating corn: Look for these indicators
Author: Jason Kelley, Wheat & Feed Grains Extension Agronomist

By Jason Kelley, Extension Wheat and Feed Grains Agronomist Many early planted corn fields are nearing or are at irrigation termination in South Arkansas.  The goal of irrigation termination timing is to have adequate soil moisture to reach the R6 stage (black layer) without irrigating more than needed.  This has been an exceptional year for […]

07
Jul
2017
Yield recovery from off-target herbicide injury: Will replanting or foliar products help?
Author: Jeremy Ross, Extension Agronomist - Soybeans

By Jeremy Ross, Extension Soybean Agronomist With the widespread reports of off-target herbicide injury, I’ve had numerous phone calls about replanting damaged fields or the use of foliar products to recover from the herbicide injury.  Many of the fields that I have walked or seen via text message received damage prior to reproduction.  From research […]

03
Jul
2017
Managing Kernel and False Smut Diseases of Rice with Fungicides
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist Cultural disease management strategies are beneficial to reduce kernel and false smut disease pressure. Historically, both kernel and false smut are severe in late planted susceptible rice cultivars raised in a field with history and applied with excessive nitrogen fertilizers.  Under favorable conditions most rice cultivars including hybrid rice […]

30
Jun
2017
Soybean Research Verification Program Update for June 30, 2017
Author: Chad Norton, Soybean/Wheat Verification Program Coordinator

By Chad Norton and Chris Elkins, Soybean Research Verification Program Coordinators All fields in east Arkansas received very good rains from TS Cindy, western Arkansas fields didn’t get in on as much.  The rain also seemed to reduce stink bug numbers a little, but still seeing lots of egg masses so vigilant scouting is a […]

26
Jun
2017
Rice Research Verification Program Update for June 23, 2017
Author: Ralph Mazzanti, Rice Research Verification Coordinator

By Ron Baker and Ralph Mazzanti, Rice Research Verification Program Coordinators South Arkansas:  All fields are approaching midseason or beyond except for Pulaski County which went to flood this past week.  The fields scheduled for midseason nitrogen are Arkansas, Clark, and Desha.  The Lafayette County field has received its midseason nitrogen application.  The Lonoke County […]

23
Jun
2017
Soybean Research Verification Program Update for June 23, 2017
Author: Chad Norton, Soybean/Wheat Verification Program Coordinator

By Chad Norton and Chris Elkins, Soybean Research Verification Program Coordinators Rain for the past week was very sporadic ranging from zero at Miller to 2.45” at Washington. However, I expect that there will be ample rainfall to report at all fields next week. Hopefully TD Cindy will not flood any fields.  Stink bugs are […]

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 […]