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Tag Archives crop pests

Pea leaf weevil. (Alberta Agriculture photo)
Crops, Weather

Insects posing problems in Saskatchewan crops

Grasshopper, flea beetle damage already reported

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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, according to James Tansey, provincial specialist for insects/invertebrate pest management. Among the pests he cited were grasshoppers, flea beetles and pea leaf weevils.  Tansey said […] Read more
Nine pests to watch for if you’re growing flax
Crops

Nine pests to watch for if you’re growing flax

Dr. James Tansey, Saskatchewan Agriculture’s insect specialist, reminded farmers at a Saskatchewan Agriculture conference in Weyburn, Sask., that “plants are not a passive part of the environment.” Flax produces poison in the form of cyanogenic glycoside (cyanide) that is toxic to several insects. However, your flax crop may still need some help protecting itself from[...]
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Photo: Canola Council of Canada
Canola, Crops

Top four pests to watch in canola

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There are a lot of insects out there, but damage-causing pests are actually in the minority. Even a few “bad” bugs can be beneficial. “Crops can tolerate a certain level,” said Keith Gabert, agronomy specialist, for the Canola Council of Canada. “And even in some cases, it can benefit from a little bit of insect[...]
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Seven beneficial insects on your farm
Crops

Seven beneficial insects on your farm

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When making crop production management decisions, consider beneficial insect populations. These harmless bugs can provide adequate control if their populations are high enough. Some beneficial insects are hard to identify, but with some basic training producers should be able to spot them in the field. The following beneficial insects are found in most crops in[...]
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Six tips for managing wheat stem sawfly
Crops

Six tips for managing wheat stem sawfly

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As with most pests, wheat stem sawfly populations rise and fall, depending on weather and the presence of natural predators. Economic losses arise when wheat stem sawfly larvae feed inside the stem. While some of those losses are due to decreased seed weight, much of it occurs when the stems are cut and the plant[...]
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Soybean aphids in a field near Portage la Prairie photographed July 26, 2017. Photo: Taralea Simpson, Munro Farm Supplies
Crops, Soybeans

Some soybean aphids showing up so scout your fields

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Soybean aphids are being found in some soybean fields near Portage la Prairie and some fields have been sprayed, while others are being monitored, Red Beard Farms aerial applicator Chris McCallister said in an interview July 27. The threshold for applying an insecticide to control soybean aphids is 250 and rising. The “rising” part is[...]
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One concern is the increasing spread of alfalfa weevil.
Forages, News Roundup

Alberta’s alfalfa bug survey yields mixed results in first year

News Roundup from the June 2015 issue of Canadian Cattlemen

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Year one of a three-year benchmark insect survey across Alberta yielded mostly good news and a few surprises, even for Alberta Agriculture entomologist Scott Meers of Brooks who is heading up the project. The biggest surprise was the sheer abundance of life in alfalfa fields. Sweep net samples of 100 sweeps each captured several thousand[...]
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Canadian Cattlemen Presents: Depth of Field

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AGCanadaTV: In case you missed it; your national ag news recap for July 11, 2025

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