Weed resistance to chemicals will continually increase. It only takes one weed to survive a treatment for it to pass on the genetic makeup to do so to the offspring. This creates more resistant weeds until there is a whole population of resistant weeds. Applying more herbicide will make these weeds even more resistant. This will happen over again even if the chemical formula for the herbicide is altered.
What a difference a week makes. After a fast start to the planting season, we got a short break thanks to some precipitation that was much-needed at the time. Many areas were in dire need of moisture, so it was nice to see much of South Dakota getting rain.
If you want to collect flea beetles to control leafy spurge, you’ll need to start earlier than usual this year. Normally, the bugs are collected from the middle of June to early July across the region. Collection — which needs to occur before the insects begin laying their eggs — should start roughly two weeks earlier this year because of the mild winter and early spring, officials say.
Area farmers welcomed the mild winter and early spring that allowed them to make rapid planting progress. But the favorable weather carries a downside: weed and insect problems not encountered in a typical growing season are popping up, and the arrival of normal weed and insect issues is accelerated.
In early March, there seemed to be one topic at farm meetings in the Red River Valley — weed resistance to glyphosate, or Roundup. “When it comes to Roundup Ready resistant weeds, we’ve got to pay attention guys,” said Darren Hefty, a partner in Hefty Seed Co. of Baltic, S.D., which also involves a television show called “Ag PhD.”
South Dakota State University hosts a Row Crop Clinic in Brookings, S.D., on Jan 20. The speakers will cover a variety of issues that farmers will be dealing with in the 2012 crop season. This is the only row crop meeting in eastern South Dakota this year.
ST. PAUL, Minn. – The Minnesota Department of Agriculture (MDA) is rooting out weeds in the state with the help of updates to Minnesota law. New lists and categories of noxious weeds have been developed by the department with the help of a new advisory committee. These changes will be enforced starting with the 2011 growing season. Prohibited noxious weeds must be controlled or eradicated on all lands in Minnesota.
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