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Category Posts for Physiology

23
Mar
2017
Wheat Freeze Update – March 23, 2017
Author: Jason Kelley, Wheat & Feed Grains Extension Agronomist

By Jason Kelley, Wheat and Feed Grains Extension Agronomist Wheat freeze damage from the morning of March 15th 2017 is becoming more evident across eastern and Northeast Arkansas.  Overall the level of damage appears to be less than anticipated given the low temperatures and growth stages.  I have not seen any fields or heard of […]

16
Mar
2017
Arkansas Wheat Freeze Update
Author: Jason Kelley, Wheat & Feed Grains Extension Agronomist

By Jason Kelley, Wheat and Feed Grains Extension Agronomist I wanted to give you a quick wheat freeze update.  Very cold temperatures were recorded over eastern Arkansas and particularly Northeast Arkansas during the night and early morning hours of March 14/15th this week.  Much of Northeast Arkansas had 10-12 hours of temperatures below freezing, but […]

13
Mar
2017
Wheat update: Watch for freeze damage in the coming days
Author: Jason Kelley, Wheat & Feed Grains Extension Agronomist

By Jason Kelley, Wheat and Feed Grains Agronomist Despite the cool temperatures so far in March, the Arkansas wheat crop is still running ahead of schedule.  Late last week I was at my plots at Marianna and saw a large difference in growth stages between early and late maturing varieties (see photos below).  This would […]

21
Dec
2016
2016 Soybean Update and Cross Reference Guide Now Available
Author: Jeremy Ross, Extension Agronomist - Soybeans

By Jeremy Ross, Extension Soybean Agronomist Two popular soybean publications have been updated for 2016 and are now available.  The Soybean Update is an annual publication featuring information on varietal performance, including yield, which varies according to location, environmental adaptability to soils, maturity, lodging, height, disease and nematode resistance, and herbicide and chloride sensitivity. This […]

19
Dec
2016
Arkansas Cotton Update: 2016 in review and looking forward
Author: Bill Robertson, Cotton Agronomist

By Bill Robertson, Extension Cotton Agronomist, and Fred Bourland, Professor/Cotton Breeder The National Agricultural Statistics Service November Crop Production report estimated production at 830,000 bales, down 20,000 bales from the October 1 forecast but up 359,000 bales above last year. Yield is expected to average 1,062 pounds per harvested acre, down 26 pounds from last […]

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 […]