Although glyphosate-resistant marestail was found in South Dakota in 2010, a SDSU Extension agronomy field specialist, encourages growers to look beyond chemical control when it comes to controlling the weed.
The University of Tennessee has fielded a number of calls from folks who believe that they are seeing more metribuzin injury on wheat this fall than in previous years.
Texas A&M AgriLife Research wheat scientists are getting closer to pinpointing the genes controlling greenbug resistance in wheat and recently published their findings.
Twitter chat tackles weed resistance issues (01/11/13)
Outmaneuvering herbicide-resistant weeds (09/18/12)
Afternoon Comments 03/07
The wheat markets also rebounded from early Friday lows. Events on the Black Sea are rather obviously causing concerns about the availability of grain supplies from that region. Less than ideal conditions in several regions, particularly the U.S. southern Plains, probably spurred early buying as well. The wheat markets also suffered a midmorning bout of aggressive profit-taking, but rebounded from those lows and closed strongly. May CBOT wheat futures bounced 8.0 cents to $6.54/bushel in late Friday action, while May KCBT wheat futures vaulted 8.0 cents to $7.2125, and May MWE futures ran up 9.75 at $7.05.