Chicago | Reuters — Minnesota has launched an investigation to find the source of seed mixes contaminated with weed seeds after the aggressive, herbicide-resistant Palmer amaranth weed was found on 30 areas planted in a federal conservation program. The weed grows very fast, reaching up to eight feet in height and can hold back commercial […] Read more
Minnesota probes Palmer amaranth’s sudden appearance
This is not good — triple-resistant kochia has entered Alberta
Glyphosate-resistant kochia was bad but there’s a new strain that’s much worse
Reading Time: 3 minutes Kochia, one of Western Canada’s most abundant and economically devastating weed species, has won another major battle in overcoming herbicide. This summer, the first known Group 4 herbicide-resistant kochia was identified in a durum wheat field in southwestern Saskatchewan. And samples currently being tested from a farm in southern Alberta are also suspected to be […] Read more
WHO cancer agency asked experts to withhold glyphosate documents
London | Reuters — The World Health Organization’s cancer agency — which is facing criticism over how it classifies carcinogens — advised academic experts on one of its review panels not to disclose documents they were asked to release under U.S. freedom of information laws. In a letter and an email seen by Reuters, officials […] Read more
Controlling winter weeds now will pay off later
It’s cheaper to control winter weeds in the fall, and they won’t compete with your spring crop
Reading Time: 2 minutes You’ve been busting your butt during harvest and you’ve scouted your field many times during the growing season. But if you’re direct seeding, it’s worth scouting just one more time for winter weeds after you harvest. “It depends on what kind of production system a producer has,” said Mark Cutts, crop specialist with Alberta Agriculture’s […] Read more
U.S. EPA says glyphosate likely not carcinogenic
Chicago | Reuters — The U.S. Environmental Protection Agency on Friday said its current position on glyphosate, the key ingredient in Monsanto’s Roundup herbicide, is that the chemical is not likely carcinogenic to humans. The agency’s “proposed” position on the controversial chemical was outlined in a 227-page paper it published on the regulations.gov website, which […] Read more
Half of Alberta fields have herbicide-resistant wild oats
The short-term gain from growing profitable crops too frequently will bring long-term pain, say weed experts
Reading Time: 4 minutes For Craig Shaw, herbicide resistance is a wreck waiting to happen. “It’s manageable at the present moment, but I wouldn’t guarantee it will remain manageable moving forward,” said Shaw, who has widespread herbicide resistance on his farm near Lacombe. “We’ve learned our lesson in terms of staying on top of weed control and making sure […] Read more
Five tips for Keeping it Clean from Cereals Canada
With increased scrutiny from end-users farmers need to be vigilant to ensure their crops aren’t rejected
Stick to the pre-harvest interval (PHI). The PHI (or Spray to Swath Interval) is the number of days that must pass between the last application of a pesticide and swathing or straight combining. Read labels carefully and check out the provincial Guides to Crop Protection or consult your local provincial agronomist for more information. After[...]
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Did your spraying do the trick?
If weeds survived, you need to figure out what went wrong so you can avoid a repeat
Reading Time: < 1 minute Field scouting after herbicide application can lead to more successful crop production. “In the majority of cases, producers will find that the chemicals have done their job” said provincial crop specialist Mark Cutt. “However, in certain situations, field scouting may show the weeds weren’t properly controlled.” If so, figure out what went wrong. “A difference[...]
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There are many reasons to hate this nasty weed
Reading Time: < 1 minute Medusahead rye is a cool-season annual grass that is rapidly invading many northwestern U.S. states. It also has the potential to invade the Canadian Prairies because it can survive very cold winters and thrive in clay soils. Similar in appearance to foxtail barley (although the seed head does not break apart at maturity), medusahead contains[...]
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Monsanto in talks with Bayer, others about ‘strategic options’
Chicago | Reuters — Monsanto is in talks with Bayer and other companies regarding “alternative strategic options,” a month after it rejected the German company’s US$62 billion takeover offer, the U.S. seed producer said on Wednesday. Monsanto’s options include combinations with other companies and businesses in the sector beyond Bayer. Potential deals could involve BASF[...]
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