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Category Posts for Physiology

23
Apr
2018
Corn and Grain Sorghum Research Verification Update – April 20, 2018
Author: Chuck Capps, Corn and Grain Sorghum Research Verification Program Coordinator

By Chuck Capps, Corn and Grain Sorghum Research Verification Program Coordinator We will have planting dates scattered from March 20thin Desha County to this coming Saturday April 21stif we get enough drying before more rain this weekend. Prairie County Corn Verification Field has survived the freeze pretty well and was greening up with warmer weather this […]

10
Apr
2018
Wheat freeze update
Author: Jason Kelley, Wheat & Feed Grains Extension Agronomist

By Jason Kelley, Wheat and Feed Grains Agronomist On the morning of April 8thmuch of the state had a frost/freeze with temperatures at or near freezing to as low as 25 degrees F in localized areas.   Approximately 20% of the state’s wheat was in the process of heading on April 8thwith a majority of wheat […]

10
Apr
2018
Corn freeze injury
Author: Jason Kelley, Wheat & Feed Grains Extension Agronomist

On the morning of April 8thmany across the state experienced a frost or freeze with temperatures ranging from just above freezing to as low as 25 degrees F in localized areas.   As with any freeze event there appears to be a lot of temperature variability even within a small area.  At the time of the […]

01
Mar
2018
Managing Sugarcane Aphid in Grain Sorghum
Author: Jason Kelley, Wheat & Feed Grains Extension Agronomist

By Jason Kelley, Wheat and Feed Grains Agronomist, and Gus Lorenz, Nick Bateman and Glenn Studebaker, Extension Entomologists Arkansas grain sorghum acreage has varied dramatically over the last few years due to grain prices and more recently due to the threat of sugarcane aphid. In 2017, Arkansas producers planted only approximately 9,000 acres. However with […]

05
Feb
2018
2017 Soybean Update now available
Author: Jeremy Ross, Extension Agronomist - Soybeans

By Jeremy Ross, Extension Soybean Agronomist The 2017 Soybean Update is now available for download.  This publication is provided as an aid in variety selection.  Hundreds of soybean varieties are commercially available to growers in Arkansas. Varietal performance, including yield, varies according to location, environmental adaptability to soils, maturity, lodging, height, disease and nematode resistance, […]

05
Feb
2018
Webinar recordings: Horizon Ag, Baseline Projects, RiceTec Hybrid Rice Evolution, and Arkansas Rice Breeding now available
Author: Bobby Coats, Professor of Economics

By Bobby Coats, Professor of Economics and Agricultural Economist Have you missed the past few Food and Agribusiness Series webinars with Dr. Bobby Coats?  Visit his webpage to hear from several experts in the field of rice breeding and research, and economics and marketing including Dr. Tim Walker of Horizon Ag, Dr. James W. Richardson, […]

31
Oct
2017
Rice Research Verification Program Final Update – October 27, 2017
Author: Ron Baker, Rice Research Verification Program Coordinator

By Ralph Mazzanti and Ron Baker, Rice Research Verification Program Coordinators All fields are harvested and yields are calculated. Program fields in the south had a yield average of 196 bushels/acre while those in the north averaged 176 bushels/acre for a combined yield average of 186 bushels/acre. This is a 20 bushel increase over the […]

06
Oct
2017
Cotton termination: Heat unit accumulation as of Oct. 6, 2017
Author: Bill Robertson, Cotton Agronomist

By Amanda Free, Cotton Research Verification Sustainability Coordinator; and Bill Robertson, Cotton Extension Agronomist Identifying the last effective boll population is essential for making end-of-season management decisions. Cutout is reached when nodes above white flower (NAWF) counts drop below five or when the probability of accumulating sufficient heat units to mature a flower remain in the season. […]

14
Sep
2017
Cotton termination: Heat unit accumulation as of Sept. 14, 2017
Author: Bill Robertson, Cotton Agronomist

By Amanda Free, Cotton Research Verification Sustainability Coordinator; and Bill Robertson, Cotton Extension Agronomist Identifying the last effective boll population is essential for making end-of-season management decisions. Cutout is reached when nodes above white flower (NAWF) counts drop below five or when the probability of accumulating sufficient heat units to mature a flower remain in the season. […]

13
Sep
2017
Maximizing Wheat Yields and Profit in 2018
Author: Jason Kelley, Wheat & Feed Grains Extension Agronomist

By Jason Kelley, Extension Wheat and Feed Grains Agronomist The 2017 Arkansas wheat crop was small in acreage but many producers reported exceptional yields with intensive management.  Acreage was at or near record lows with approximately 195,000 acres planted in the fall of 2016.  Acreage was down for several reasons, but low grain prices at […]