A report shows overall insensitivity of sclerotinia to three fungicide groups hasn’t changed in a big way between 2010 and 2024 — but shows some sclerotinia populations have been discovered with elevated insensitivity to all three.
Tag Archives resistance
Good news, bad news for fungicides meant to fight stem rot in canola
A report lays out various levels of resistance and adaptation found in disease samples
Clubroot resistance: what new seed labels would mean for canola growers
Proposed label changes could provide growers with detailed info to rotate varieties and preserve resistance in canola crops
Improved seed labelling can help canola growers make better variety choices, reduce disease pressure and protect the long-term effectiveness of clubroot resistance.
CMBTC study finds new malting barley lines a fit for Manitoba
Agronomic traits in new varieties overcome disease issues that held crop back
Manitoba farmers have improved prospects to access the more-lucrative malting barley market, according to a recent study. The report by the Canadian Malting Barley Technical Centre (CMBTC), in collaboration with the Manitoba Crop Alliance, says new Canadian malting barley varieties can be grown successfully in Manitoba. With yields and quality comparable to the check variety […] Read more
Arkansas confirms first-ever glufosinate-resistant broadleaf
Researchers find Palmer amaranth strains in two counties
Researchers in the southern U.S. have found what they say is the first broadleaf weed in the world to beat the active ingredient in BASF’s Liberty herbicide. The University of Arkansas last week announced its ag researchers had found glufosinate-resistant Palmer amaranth in crops in two eastern Arkansas counties across the Mississippi River from Memphis. […] Read more
Group 27 herbicide resistance arrives in Canada
Mesotrione-resistant waterhemp confirmed in Quebec
A persistent and fiercely competitive weed that has developed resistance to several herbicide groups since its arrival in Canada is now the first in the country to fight off a Group 27 product. Quebec’s Reseau d’avertissement phytosanitaire (RAP) last Friday reported a patch of waterhemp with resistance to mesotrione herbicide in the Haut-Richelieu municipality, in […] Read more
ICE weekly outlook: ‘Demand-pull’ environment supports canola
MarketsFarm — ICE Futures canola contracts moved higher during the week ended Wednesday, moving back toward the contract highs hit in September. Canola is pushing upside chart limits and modest corrections are likely going forward, but the fundamentals remain supportive and “the trend is up until further notice,” said analyst Mike Jubinville of MarketsFarm Pro. […] Read more
ICE weekly outlook: Canola futures at two-year highs
MarketsFarm — ICE Futures canola contracts climbed to their strongest levels in two years during the week ended Wednesday, but could be nearing their highs for the time being as harvest pressure should start weighing on values. “We’re running into the top end on the monthly and weekly charts,” said Jamie Wilton, senior commodity futures […] Read more
ICE weekly outlook: Canola nears resistance
MarketsFarm — ICE Futures canola contracts hit their strongest levels in three months during the first week of July, but appear to be running into resistance from a chart standpoint. The November contract hit an intersession high of $482 per tonne on Wednesday, but settled below the $480 mark. “You can’t discount at least the […] Read more
DeKalb pulls two ‘inconsistent’ canolas off market
Up against an “inconsistency of grower experiences” with the seeds’ yields in 2019, Bayer Canada is yanking two of its DeKalb TruFlex canola hybrids from the market. DeKalb’s DKTF 92 SC and DKTF 94 CR will not be available for 2020, Bayer said. Canola growers who have already booked those seeds for this spring are […] Read more
Clubroot able to beat resistant canola reaches Manitoba
A strain of clubroot able to club the roots of some resistant canola varieties has made its way east to Manitoba. Manitoba’s agriculture department reported Friday that clubroot pathotype 3A — a strain that can “overcome some first-generation sources of genetic resistance” in commercial canola — has been positively identified in the south-central rural municipality […] Read more
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