FARM BLEAT Milkweed, milk vetch and the milk we drink
I took my nephew Blake for a 4-wheeler ride through the cattle pasture last Sunday afternoon when I parked in front of a few sprigs of milk vetch blooming along the barbed-wire fence.
A year ago, I wo... Posted on 8/6/10 at 4:44 AM
The widespread evolution of herbicide-resistant weeds is costing farmers, especially through decreases in productivity and profitability.
Although researchers and industry personnel have made recommendations to slow this evolution, an understanding of the patterns and causes of the resistance has been limited.
U.S. regulators will put new restrictions on the world's most widely used herbicide to help address the rapid expansion of weeds resistant to the chemical, Reuters has learned.
The Environmental Protection Agency confirmed it will require a weed resistance management plan for glyphosate, the key ingredient in Monsanto's immensely popular Roundup weed-killer.
South Dakota farmers have discovered Palmer Amaranth weed and North Dakota officials are urging farmers to keep a sharp eye for a “spawn of evil” during harvest.
South Dakota State University weed scientists say the weed was found in a sunflower field in Buffalo County next to the Missouri River in central South Dakota.
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.
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