Agricultural pest insects Archives - Page 7 of 9

PVY control depends on better understanding of aphids

By Gord Gilmour March 7, 2013

After years of decline, the industry is seeing infections, not only increase but become more difficult to detect

Russell Groves has noticed a troubling trend for potato seed growers in his home state of Wisconsin in recent years. The University of Wisconsin entomologist specializes in insect-transmitted vegetable plant diseases, and he says after a period of decline, potato virus Y (PVY) infections have begun to increase for seed potato growers. “From about the

Cereals, Crops, News, Weather

Cold winter temperatures naturally control insects in grain

By Canadian Grain Commission January 17, 2013

Warm weather during the 2012 grain harvest benefited producers, but it also benefited insects that feed in stored grain, says Brent Elliott, infestation control and sanitation officer at the Canadian Grain Commission. However, cold winter weather can help producers control insects. “Now that winter’s here, producers need to reconsider how they’re managing insects in their

Crops, News

Pests make an early appearance

May 17, 2012

Be watchful for flea beetle feeding Striped flea beetles (Phyllotreta striolata) have been emerging and feeding on volunteer canola since late March, provincial entomologist John Gavloski says in the first insect and disease report of the season issued April 27. “We often see striped flea beetles emerge earlier than the crucifer flea beetle (Phyllotreta cruciferae)

Crops

Flea beetles: A shifting pest

By Alexis Kienlen May 17, 2012

Flea beetles are already costing Prairie farmers $300 million a year and their populations are growing, an entomologist with Agriculture and Agri-Food Canada says. Julie Soroka told a recent Alberta Canola Industry Update seminar scientists don’t know why the beetle species populations are shifting, but they do know the populations are rising, particularly for the

Crops, News

Trials start of GM wheat that terrifies aphids

By Reuters April 7, 2012

Field trials are underway in England of a genetically modified (GM) wheat that strikes fear into aphids and attracts a deadly predator to devour them, providing an alternative to the insecticides now used to control the crop pest. The wheat emits a pheromone which aphids release when they are under attack to create panic and

Cereals, Crops, News

2012 wheat midge forecast low to moderate

By Allan Dawson March 14, 2012

North Dakota expects fewer wheat midge in 2012 and the outlook is similar for Manitoba. There could be some localized hot spots in western Manitoba but overall populations of the insect that can damage wheat kernels will be low to moderate, says Manitoba Agriculture, Food and Rural Initiatives entomologist John Gavloski. The presence of wheat

Crops, News, Oilseeds

On the lookout for blackleg and clubroot

By Laura Kunzelman January 24, 2012

Most Manitoba canola producers weren’t tallying up the list of production problems they faced last year, but Canola Council of Canada regional agronomist Kristen Phillips did. There were 23 to be exact, everything from excess moisture, late seeding, drought, frost, stressed plants, disease and insects. The cool, wet spring and a hot, dry summer led

Country Crossroads

Check Plants Regularly For Pests — Especially Ones That Were Brought In For Winter

By Albert Parsons November 17, 2011

FREELANCE CONTRIBUTOR Gardeners who have houseplant collections must be vigilant during the winter months to catch any insect infestation before the insects get out of hand and do irreparable plant damage. A single aphid might get into the house before freeze-up or a few may have hitched a ride inside on some vegetables or plants

Crops

Tiny Wasp Used To Avert Disaster Farmers Never See

By Helen Mcmenamin October 27, 2011

CO-OPERATOR CONTRIBUTOR / LETHBRIDGE You may never have seen it, it doesn t have a common name, it didn t cost you a cent, but it may be saving you thousands in lost yield and pesticide cost. Tetrastichus julis (T. julis) is a tiny wasp that feeds on the cereal leaf beetle, a Eurasian pest

Cereals, Crops, Oilseeds

2010 Was A Good Year On The Bug Front

December 16, 2010

There were few insect problems in cereal crops in 2010. Armyworms were a concern in some fields. Shipments of larvae of cereal leaf beetle containing the parasitoid Tetrastichus julis (Eulophidae) were released in some fields near Swan River. In canola, cutworms were a problem in some fields. Root maggots and damage to plants was noticed

Daily Network News

U.S. livestock: Cattle extend gains on improving cash prices, packer demand

U.S. grains: Soy futures slide on China demand doubts

Spain probes whether swine fever outbreak was caused by lab leak

Tag Archives Agricultural pest insects