May 9, 2013 No. 2013-7
Dr. Jarrod Hardke and Dr. Bob Scott
A week (mostly) without significant rain chances? I believe that qualifies as a drought these days. The getting is still good for rice, so it’s time to make tracks if you can. The current forecast is for rain on Friday,
Continue reading Arkansas rice update – May 9, 2013
Symptoms of glyphosate drift on winter wheat. (Image by Bob Scott)
Glyphosate drift from burndown fields to wheat is starting to show up in areas around the state.
The photo (right) shows typical symptoms of wheat that likely recieved a drift rate of glyphosate sometime after panical initiation. Note the short flag leaf
Continue reading Glyphosate drift on wheat
SURVIVORS — Clumps of ryegrass that have survived burndown. (Image by Bob Scott)
Glyphosate resistant ryegrass was discovered in southeastrn Arkansas more than three years ago, but has been slow to move north into the Natural State.
However, I recently traveled the counties just south of I-40 from Lonoke to Hughes, and observed
Continue reading Ryegrass invasion heading north
HAZEN, Ark. – Farmers have known the benefits of crop rotation for centuries, but weed control chemistries should also be rotated to forestall herbicide resistance, according to Bob Scott, weed scientist for the University of Arkansas System Division of Agriculture.
Scott gave an overview of the problem of herbicide resistant weeds, not just in
Continue reading Scott: Rotate weed chemistry, not just crops