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Category Posts for Physiology

21
Jun
2016
Rice blast active in Arkansas: Start scouting
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist, and Jarrod Hardke, Extension Rice Agronomist Most rice in Arkansas is near or well past internode elongation (joint movement).  Except for a few cases of seedling disease complexes and hydrogen sulfide toxicity, until now, blast and sheath blight rice diseases have been relatively quiet in Arkansas.  Today (June 20, […]

20
Jun
2016
Soybean Research Verification Program Update for June 17, 2016
Author: Chad Norton, Soybean/Wheat Verification Program Coordinator

By Chad Norton, Soybean Research Verification Program Coordinator Majority of fields again received rainfall this past week, ranging from zero at Lee and Phillips 1 to 5.6” at Chicot. Excellent growth has been observed over past two weeks in all fields.  Several fields have reached R3, with several more that should be there next week, […]

10
Jun
2016
2016 Arkansas Cotton Update
Author: Bill Robertson, Cotton Agronomist

By Bill Robertson, Cotton Agronomist Our planted acres are higher than many anticipated.  Regina Coleman, Executive Director of the Arkansas Boll Weevil Eradication Foundation (ABWEF), recently reported that the ABWEF has calculated the state’s cotton plantings to be just over 360,000 acres.  Even with the cotton fields that were replanted to soybeans this week, our […]

03
Jun
2016
Arkansas Rice Update 6-2-16
Author: Jarrod Hardke, Rice Extension Agronomist

Arkansas Rice Update Dr. Jarrod Hardke June 2, 2016  No. 2016-12                www.uaex.edu/rice   Crop Progress When it rains, it pours.  These days we either miss all the rain in the forecast or all the rain in the forecast shows up at once.  Suddenly a fishing boat becomes a […]

03
Jun
2016
Start scouting rice for hydrogen sulfide toxicity
Author: Yeshi Wamishe, Extension Rice Plant Pathologist

By Yeshi Wamishe, Extension Rice Pathologist, and Jarrod Hardke, Extension Rice Agronomist With temperatures increasing, early planted rice will soon reach the reproductive stage. In fields with a history of hydrogen sulfide toxicity (also referred as autumn decline or akiochi), draining the flood and drying the field for a few days before midseason (DD50 for […]

02
Jun
2016
Rice Research Verification Program Update – May 30, 2016
Author: Ralph Mazzanti, Rice Research Verification Coordinator

By Ralph Mazzanti and Ron Baker, Rice Research Verification Program Coordinators South Arkansas: With warmer nighttime and daytime temperatures the rice crop is responding well in growth and color.  Seven out of nine fields have received their N-STaR pre-flood nitrogen applications and are flooded or being flooded.  The two fields in the south which have […]

26
May
2016
Soybean Research Verification Program update for May 27, 2016
Author: Chad Norton, Soybean/Wheat Verification Program Coordinator

By Chad Norton, Soybean Research Verification Program Coordinator One of the fields in Monroe County got planted this past week which brings the total to 14 out of 15 fields planted. Again, rainfall was very spotty ranging from zero at most fields to 1.2” at Phillips 1. Irrigation was initiated on fields Jefferson, Lincoln, and […]

25
May
2016
Rice Research Verification Program update for May 23, 2016
Author: Ron Baker, Rice Research Verification Program Coordinator

By Ralph Mazzanti and Ron Baker, Rice Research Verification Coordinators South Arkansas: Cool temperatures and slow growth has been the topic of discussion this past couple of weeks.  Five of the nine South Arkansas fields have gone to flood.  Phillips County was the last field planted and received .9” of rain for germination.  Lee County […]

20
May
2016
Soybean Research Verification Program update for May 20, 2016
Author: Chad Norton, Soybean/Wheat Verification Program Coordinator

By Chad Norton, Soybean Research Verification Program Coordinator Been a cold week, for this time of year, and wore a jacket walking fields during the morning. Lonoke County got planted last week which brings the total to 13 out of 15 now planted. Rain was pretty sparse over the past week ranging from zero at […]

04
May
2016
Armyworms in wheat: When treatment is warranted
Author: Gus Lorenz, Extension Entomologist

By Gus Lorenz, Extension Entomologist There have been sporadic reports of true armyworm feeding in wheat this past week.  The question is: “Are they really causing any damage?” The armyworm population is very early this year and we continue to receive reports of armyworms in wheat that is flowering to early grain fill. Everybody is […]