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Category Posts for Weeds

22
Jul
2014
Pigposium field day tomorrow 7/23/14 at NEREC
Author: Tom Barber, Extension Weed Scientist

Make plans to attend the only field day in 2014 focused solely on glyphosate-resistant pigweed control.  The Pigposium will feature key weed scientists and consultants from Arkansas, Tennessee and Illinois.  Topics at this field day will focus on control options in current technology as well as future herbicide options for pigweed as new technology is introduced […]

18
Jul
2014
Soybean research verification program weekly update – July 18, 2014
Author: Chris Grimes, Program Associate - Soybean/Wheat Verification Coordinator

Rainfall was more abundant in the southern part of the state this week. All but three of the fields in the program have reached the reproductive stage and are enjoying the mild conditions this week. Irrigation will be top priority from this point forward due to growth stage and moisture requirements. Most of the fields […]

11
Jul
2014
Arkansas Rice Update 7-11-14
Author: Jarrod Hardke, Rice Extension Agronomist

July 11, 2014                              No. 2014-18 Dr. Jarrod Hardke, Dr. Gus Lorenz, Dr. Bob Scott, & Dr. Yeshi Wamishe Crop Progress Frank Sinatra had “the world on a string.”  If he were in charge of the weather these days, it would be a Yo-Yo string he had ahold of.  Up and down we go, temperatures and […]

11
Jul
2014
Soybean research verification program update – July 11, 2014
Author: Chris Grimes, Program Associate - Soybean/Wheat Verification Coordinator

Rainfall was more abundant in the northern part of the state this week. Insect and disease pressure has increased in the verification fields this week, with a couple of the fields requiring treatment for both insects & diseases. Despite the recent rainfall some of the fields need irrigation. We are still cleaning up the late […]

07
Jul
2014
Leaf blight showing up in some grain sorghum fields in Arkansas
Author: Travis Faske, Extension Plant Pathologist

Leaf blight is a foliar disease of sorghum that infrequently occurs in Arkansas was observed earlier this year. A low level of leaf blight (1-2 lesions per plant on <1% of plants in a field) was detected in a few grain sorghum fields across central Arkansas. Leaf blight was observed in the lower to mid-canopy […]

04
Jul
2014
Soybean research verification program update – July 3, 2014
Author: Chris Grimes, Program Associate - Soybean/Wheat Verification Coordinator

Rainfall and amounts were from .45” to 7” this week on the verification fields. Despite the saturated conditions the beans continue to progress. Insect and disease pressure remains below treatment levels in all the verification fields this week. We are still cleaning up the late planted fields with herbicide applications in preparation for irrigation. County […]

03
Jul
2014
Arkansas Rice Update 7-3-14
Author: Jarrod Hardke, Rice Extension Agronomist

July 3, 2014                                No. 2014-17 Dr. Jarrod Hardke, Dr. Gus Lorenz, Dr. Bob Scott, & Dr. Yeshi Wamishe Crop Progress More record-breaking rainfall this week.  I don’t see anyone standing up to collect a medal for it though.  The majority of rice has reached the reproductive stage and midseason fertilizer applications are being made. Few […]

01
Jul
2014
Insect update: Sugarcane aphid, fall armyworm, rice water weevil, plant bugs
Author: Gus Lorenz, Extension Entomologist

Grain Sorghum Last Friday we went to Chicot and Ashley County looking for sugarcane aphid. It has been previously found in MS, LA, TX and OK. So, it should be no surprise that we had no trouble finding it. In fact, the first field we checked our new SEREC entomologist, Nick Seiter, found it fairly […]

29
Jun
2014
Rice research verification program update – June 27, 2014
Author: Ralph Mazzanti, Rice Research Verification Coordinator

South Arkansas: The Rice Research Verification fields have progressed very well this past week.  Two fields are at early tiller stage while eight fields are at ½” or beyond internode elongation.  With heat, humidity, overcast clouds and rain, conditions are very favorable for disease.  Sheath blight has been detected but no upward movement at this […]

29
Jun
2014
Soybean research verification program update – June 27, 2014
Author: Chris Grimes, Program Associate - Soybean/Wheat Verification Coordinator

The last two fields in the program got planted. Herbicide applications continue to go out on the late planted fields. Rainfall and amounts were scattered this week in the verification fields. Insect pressure remains below treatment levels in all the verification fields this week. Disease pressure is minimal. We are concentrating on getting the earlier […]