Bt-resistant populations of European corn borer pose a significant risk to Canadian crop producers. With multiple resistance uncovered, it’s possible Bt-based control technologies will cease to work for the problem […] Read more
Tag Archives insects
Bt-resistant corn borer concern grows
Critical tools for controlling corn borer could be lost
Grain grading guide to tighten definition of ‘severely’ sprouted wheat
More changes, clarifications on deck for Aug. 1
A laboratory review of the end-use quality of sprouted wheat will lead to changes in how wheat is graded starting Aug. 1 this year. The Canadian Grain Commission on Tuesday […] Read more
Insects posing problems in Saskatchewan crops
Grasshopper, flea beetle damage already reported
MarketsFarm – Although it’s still early in the growing season, some insect pests have already posed a threat to crops in Saskatchewan or could do so in the near future, […] Read more
Best to be scouting for insect pests
'Definitely' watch canola for flea beetles
MarketsFarm — Although it is still relatively early in the crop year, Manitoba entomologist John Gavloski strongly advises farmers to carefully watch their fields for any signs of insect pests. […] Read more
Matador, Voliam insecticides back in ‘limited’ release
Revised labels prohibit feeding, foraging of treated crops
Syngenta Canada no longer plans to keep its lambda-cyhalothrin insecticide products off the market in Western Canada this year — but it’s planning to have a smaller supply. The crop […] Read more
French agency drops fumigant ban on non-EU grain exports
Limit on phosphine won't apply if use required for export
Paris | Reuters — French health safety agency ANSES on Thursday cleared the use of phosphine pesticide in contact with grains exported outside the European Union when importing countries require […] Read more
France says pesticide ban will not hit grain exports
Fumigant can't be in 'direct contact' with grains
Paris | Reuters — France will ensure that a decision by health and safety agency ANSES to ban the use of a pesticide in direct contact with grains does not […] Read more
Controlling insect pests without harming beneficial insect species
Science Notes: Horizontally transferred genes in insect genomes can selectively kill green peach aphids
Killing crop-damaging insects by targeting genes essential to their survival is a promising approach to pest control. Because essential genes are often conserved across multiple insect species, the challenge is […] Read more
Insecticide restriction pushes growers to older chemistries
PMRA limits use of lambda-cyhalothrin
The Pest Management Regulatory Agency has applied restrictions to insecticides containing the active ingredient lambda-cyhalothrin. Among other changes, it can no longer be applied on crops destined for use as […] Read more
Canola growers face potential new pests and insecticide loss
Scouting and biosecurity diligence could provide some protection
Swede midge pressure may have decreased during the 2022 canola season, but new pest threats are on the horizon. The pollen beetle, a European pest established in the Maritimes and […] Read more
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