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Category Posts for Physiology

24
Mar
2015
Reduce the risks caused by major rice diseases
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

Planning ahead not only should help you manage your fields adequately but also minimize disappointment at harvest. Remember the “disease triangle” of weather, varietal susceptibility, and the presence or absence of pathogens as the three major factors that play a role for plant disease occurrence. Pathogens can be brought to a field from various sources: […]

20
Mar
2015
Struggles with Topdressing Nitrogen to Wheat
Author: Jason Kelley, Wheat & Feed Grains Extension Agronomist

Wheat Topdressing Struggles It has been a struggle to get topdress nitrogen applied to wheat this winter to say the least. If the first application of nitrogen was not applied in late January or early February, chances are most have not been able to apply any nitrogen yet or the little nitrogen that has been […]

13
Jan
2015
2015 Arkansas Soybean Quick Facts now available
Author: Jeremy Ross, Extension Agronomist - Soybeans

The 2015 version of Arkansas Soybean Quick Facts is now available here and under the publications tab of the Arkansas Row Crops blog.  Soybean Quick Facts provides information on growth and development, disease management, insects management, seeding, seed treatments, weed control, irrigation, fertility, and harvest for the 2014 soybean growing season.

24
Dec
2014
Soybean Update now available
Author: Jeremy Ross, Extension Agronomist - Soybeans

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, and herbicide and chloride sensitivity. This information listed in the Soybean Update is largely derived from the University of Arkansas Division of Agriculture Soybean Performance Trials and screening programs, and is provided as an aid in variety selection.  View the Soybean […]

01
Oct
2014
Arkansas peanut harvest update and a new leaf spot disease
Author: Travis Faske, Extension Plant Pathologist

Peanut harvest is in full swing this week, which is about two weeks earlier than 2013. Somewhere between 40 to 50% of the crop has been dug and 15 to 20% thrashed. Grades have ranged from 74 to 79 and yield between 4,200 and 5,000 lb/ac. These grades and yield are similar to 2013, which […]

12
Sep
2014
Soybean Research Verification Program Weekly Update Update – September 12, 2014
Author: Chris Grimes, Program Associate - Soybean/Wheat Verification Coordinator

Rainfall was scattered across the state this week. We have terminated irrigation on the majority of the fields this week. Insect pressure has increased this week and a few fields required treatment for stinkbugs. Three of the verification fields have been harvested and a couple more waiting on the combine. County Variety Stage General Information […]

15
Aug
2014
Soybean research verification program update for August 15, 2014
Author: Chris Grimes, Program Associate - Soybean/Wheat Verification Coordinator

Rainfall was more abundant across the southern SRVP fields this week. Irrigation continues to be top priority at this point in the program and we have terminated irrigation a few fields. Overall, insect and disease pressure was light in the verification fields this week; however we did reach treatment level for frogeye in the Prairie […]

11
Aug
2014
Rice research verification program update for August 11, 2014
Author: Ralph Mazzanti, Rice Research Verification Coordinator

Cloudy conditions and rain showers continue to make their way in the forecast. The overcast weather and below average temperatures have some fields 7-10 days behind the DD-50’s. Heat units are desperately needed in the late planted fields. In some fields uneven heading is making fungicide timing very difficult.  Herbicide drift from Gramoxone has shown […]

11
Aug
2014
Soybean research verification program update for August 8, 2014
Author: Chris Grimes, Program Associate - Soybean/Wheat Verification Coordinator

Rainfall was scattered across the SRVP fields this week. Irrigation continues to be top priority at this point in the program and we have terminated irrigation a few fields. Overall insect and disease pressure was light in the verification fields this week; however we did reach treatment level for bollworms in Clark County and frogeye […]

04
Aug
2014
Rice research verification program update for August 4, 2014
Author: Ralph Mazzanti, Rice Research Verification Coordinator

Lower humidity and temperatures during heading and grain fill should help yield and quality.  The overcast and cooler weather has slowed the progression of the verification fields in some cases.  Some fields tend to be 7-10 days behind while others are right in time with DD-50.   The Jefferson County field was treated 7/15 for […]