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Category Posts for Physiology

23
Nov
2016
Wheat Research Verification Program Weekly Update – November 18, 2016
Author: Chris Elkins, Soybean/Wheat Research Verification Program Coordinator

By Chad Norton and Chris Elkins, Soybean/Wheat Research Verification Program Coordinators Rain continues to elude many wheat fields. Growth is starting to slow due to the dryer conditions and temperatures beginning to cool. North Arkansas received its first killing frost of the season.  View the linked pdf for field-specific information. Wheat Weekly Update 11-18-2016 

04
Oct
2016
The 2016 soybean crop: Record yields for a few; lower yields for many
Author: Jeremy Ross, Extension Agronomist - Soybeans

By Jeremy Ross, Extension Soybean Agronomist So far, this has been a year of highs and lows.  As of today, I have certified six soybean fields for the Grow for the Green Yield Contest over 100 bu/ac.  A new state record soybean yield was set twice within the last two weeks.  The first was Martin […]

07
Sep
2016
2016 Cotton production update: Harvest approaching
Author: Bill Robertson, Cotton Agronomist

By Bill Robertson, Extension Cotton Agronomist We are quickly approaching the finish line with this cotton crop.  It is amazing that many of our fields with a good number of open bolls still have a very active and dark green appearance.  This is most likely a result of good soil moisture and sufficient fertility to […]

25
Aug
2016
Target spot of cotton: Considerations for using a fungicide
Author: Travis Faske, Extension Plant Pathologist

By Travis Faske, Extension Plant Pathologist There have been widespread reports of target spot (TS) on cotton across multiple cotton cultivars along the MS delta region in Arkansas.  Target spots causes the lower leaves in the canopy to defoliate and the percentage of defoliation in some field range from 10 to 75%.  Although there were […]

24
Aug
2016
2016 Arkansas Cotton Update: Target spot of minimal concern
Author: Bill Robertson, Cotton Agronomist

By Bill Robertson, Extension Cotton Agronomist There are times during the season that initial impressions of the crop are not good.  We are at one of those times now.  Plants are showing signs of a good boll load and maturing from being near the end of a long, hard race.  Add target spot and a week […]

24
Aug
2016
Splitting pods and sprouting soybean seed in the pods
Author: Jeremy Ross, Extension Agronomist - Soybeans

By Jeremy Ross, Extension Soybean Agronomist Starting last Thursday, I have been getting more and more reports from around the state about pod splitting and/or seed sprouting in the pod.  So far, no commodity has escaped this sprouting problem since I have seen or heard about sprouting in rice, corn, grain sorghum, cotton, and soybean.  […]

02
Aug
2016
Rice Research Verification Program Update for August 2, 2016
Author: Ron Baker, Rice Research Verification Program Coordinator

By Ron Baker and Ralph Mazzanti, Rice Research Verification Program Coordinators South Arkansas:  Rainfall and cooler temperatures were welcomed by most growers this past week.  Desha County received 4.3” rainfall while Monroe County only received 0.2”.  Ashley and Chicot County welcomed 0.75” to 1” rainfall.  Rice stink bugs (RSB) are sporadic again this week decreasing […]

29
Jul
2016
Soybean Research Verification Program update for July 29, 2016
Author: Chad Norton, Soybean/Wheat Verification Program Coordinator

By Chad Norton and Chris Elkins, Soybean Research Verification Program Coordinators All but the Arkansas co field got in on the rain this past week, some got very little, some got a fair amount, while Desha received 3.25”.  Stink bug populations are still very low and bollworms are beginning to build in the Grand Prairie […]

26
Jul
2016
Rice Research Verification Program Update for July 25, 2016
Author: Ron Baker, Rice Research Verification Program Coordinator

By Ralph Mazzanti and Ron Baker, Rice Research Verification Program Coordinators  South Arkansas:  Rice stink bug (RSB) numbers are all over the place and very sporadic.  Monroe and Lee Co. are running 3-4 RSB per 10 sweeps.  Jefferson Co. was running 3-4 last week and this week running 0-3.  Arkansas Co. ran 5.5 RSB reaching […]

18
Jul
2016
Rice Research Verification Program Update for July 18, 2016
Author: Ralph Mazzanti, Rice Research Verification Coordinator

By Ron Baker and Ralph Mazzanti, Rice Research Verification Program Coordinators South Arkansas: With the substantial increase in heat units the last few weeks the fields are ahead of their DD50 predictions.  The Lincoln Co. row water field was one of the earliest to head causing stink bugs to reach threshold levels triggering an application.  […]