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Soybean aphids in a field near Portage la Prairie photographed July 26, 2017. Photo: Taralea Simpson, Munro Farm Supplies
Crops

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
Wheat Streak Mosaic Virus on spring wheat.
Crops, Local news

Wheat streak mosaic virus found in spring wheat, fusarium maps available

Manitoba Insect & Disease Update for June 7

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Wheat Streak Mosaic Virus has been detected in the Wawanesa area (read more below) and Fusarium Head Blight (FHB) Risk Maps area also now available. Flea beetles in canola, and cutworms continue to be the main insects of concern. A hatch of the potential pest species of grasshoppers has started, but so far levels are quite low. Wheat Streak Mosaic Virus There was a
Crop Report, Local news, Weather

Seeding operations 95 per cent complete, many areas need rain

Manitoba Crop Report and Crop Weather report for June 5, 2017

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Hot dry weather conditions prevailed during the week with shower activity reported in most regions bringing very little precipitation. An isolated storm event in the South Central part of the province brought and isolated rainfall of up to 75 mm. Most areas indicate that a moderate rainfall would be beneficial to improve topsoil moisture conditions.
flea beetles
Crops, Local news

Insect numbers low, flea beetles requiring some control in canola

Manitoba Insect & Disease Update for May 31

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Insect pest concerns are currently low overall. There have been some insecticide applications for cutworms on corn and soybeans in the Central Region, and on peas and lentils in the Northwest. Some species of cutworms, such as dingy cutworm, have started to turn to pupae in some field. Cutworm staging can be quite variable depending on the dominant species
Crops, Local news

Insect levels seen low, stripe rust reported in winter wheat

Manitoba Insect & Disease Update for May 24

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Insect pest concerns are currently low overall. There have been some insecticide applications for cutworms in the Northwest, and for flea beetles in canola in the Central and Northwest Regions. Striped rust has been reported from a winter wheat field; no other plant pathogen activity has been reported. Stripe rust overwinters in winter wheat Stripe rust was
Frontal view of a Colorado potato beetle.
Crops, News

What’s the future of Colorado potato beetle control?

Neonics may be losing the beetle battle. What are the alternatives?

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An old pest is becoming a new problem, according to Tracy Shinners-Carnelley, director of research and quality enhancement for Peak of the Market. Shinners-Carnelley was at Manitoba Potato Production Days in January to discuss Colorado potato beetle (CPB) control options as neonicotinoid seed treatments begin to lose effectiveness against the potato’s ancient enemy. Since the
White to light-yellow soybean cyst nematode females on soybean roots.
Crops, Oilseeds

Soybean cyst nematode likely already in Manitoba

A recent survey reveals soybean cyst nematode is in border counties such 
as Cavalier, Towner, Rollette and Renville

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Crop advisers in North Dakota are keeping a watchful eye on the northward advance of soybean cyst nematode (SCN) — and so should Manitoba growers, said a cropping systems specialist. SCN, a round worm that parasitizes roots of soybean and can reduce yields anywhere from 15 to 30 per cent before ground symptoms are present,
Green lacewings are an effective biocontrol for soybean aphid in Manitoba fields.
Crops

Preserve natural habitat and enjoy free pest control

Predatory and parasitic insects can contribute to pest suppression for your crops

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Pest control services provided by naturally occurring, beneficial insects save growers in the United States around US$4.5 billion per year. Add that to the just over US$3-million benefit they provide through pollination of crops, and these are pretty valuable critters to have on the farm. New research at the University of Manitoba is trying to
Rachel Parkinson (r) and Professor Jack Gray use a “video game” to study pesticide effects on insects.
Did you know?, News

Flight simulator shows pesticide effects

High-tech approach at the University of Saskatchewan uses virtual reality more common to video games


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A research project at the University of Sask­atchewan is using a virtual reality flight simulator to measure how locusts are affected by pesticides. Rachel Parkinson, a biology master’s student, is trying to see how insects react to neonicotinoids. “There is a lot of controversy over these pesticides,” said biology professor, Jack Gray, Parkinson’s supervisor. “They
Larvae on sclerotinia infected plant tissue.
Crops, Local news

Crop insect concerns low, some soybean crops report brown spot

Manitoba Insect and Disease summary for August 17

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Summary Insects: Insect pest concerns are currently low. Most canola crops are now past the stage where Lygus bugs would be of concern. Only trace levels of soybean aphids have been found so far. Grasshopper counts have so far generally been low. Plant pathogens: Various diseases continue to be reported in field crops.. Disease Update Corn:

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