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Tag Archives Biological pest control

Crops, News

Noxious weed control to be strengthened in Manitoba

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Keystone Agricultural Producers’ president Doug Chorney is anxious to see details on how the Manitoba government will better protect farmland from noxious weeds as part of its ban on cosmetic pesticides. “I am encouraged by that, but we want to make sure that is the case,” Chorney said July 3 in an interview. “It’s important
photo AAFC
Crops, Forages, Livestock

Is alfalfa weevil taking a bite out of your forage crop?

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Researchers are working on an interactive map to help producers assess potential for weevil infestations

Many Saskatchewan forage growers dutifully waited for alfalfa to reach the 15 per cent bloom stage before cutting last year, but their patience went unrewarded. Thanks to the alfalfa weevil, a nasty little pest that has been gradually spreading across the southern Prairies since its arrival here in the 1950s, they were waiting for a
During spring and fall, mass occurrences of the Asian lady beetle can often be observed. photo: supplied
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Asian lady beetles use biological weapons

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Scientists have recently figured out how the Asian lady beetle has so rapidly overtaken native beetle populations in Europe and North America. Researchers from the University of Giessen and the Max Planck Institute for Chemical Ecology in Jena, Germany say the Asian beetle is capable of infecting its competitors with a deadly parasite. First introduced
Crops

Multi-toxin biotech crops not silver bullets

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When pests developed resistance to Bt crops such as corn, potatoes and cotton, seed companies had an answer: two-toxin varieties. But new research suggests it may be the wrong one. Bioengineered crops with genes taken from bacterium Bacillus thuringiensis have been widely grown since 1996. The genes produce Bt toxins, reducing the need for pesticide
Opinion

Purging the spurge in Manitoba

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Most farmers are well aware of leafy spurge. This invasive perennial plant was accidentally introduced to North America in the early 1800s. Today, according to the 2010 leafy spurge Economic Impact Assessment (www.leafyspurge.ca) this invasive plant costs the Manitoba economy over $40 million a year with over 1.2 million acres infested. The Stanley Soil Management
Crops, Oilseeds, Pulses

Scientists work to reduce bean diseases

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Some of their work was displayed during the Manitoba Pulse Growers Association’s recent annual tour

Can the same technology that warms up leftover pizza control seed-borne diseases in beans? A University of Guelph master’s student is hoping to find out. Allison Friesen is testing microwaves on seed-borne diseases such as halo blight and common bacterial blight, two diseases that can cut into yields and quality. “She spent the winter with
Crops

Tiny Wasp Used To Avert Disaster Farmers Never See

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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
Country Crossroads

Proper Use Of Chemicals Important In Flood Cleanup

Sanitizing is one step of cleaning up after a flood. Flood cleanup experts often recommend people use a water and chlorine bleach solution to destroy bacteria. However, biocides such as bleach aren’t effective in all instances. For example, bleach and other biocides destroy living organisms such as mould, but they do not prevent future mould
News

Beetles Find It Tough Going In Manitoba

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Manitoba has been using biocontrol beetles since 1988 in Spruce Woods Park, but the results haven’t been encouraging. In the 1990s, there were 3,500 beetle releases, mainly the black and brown flea beetle species, said John Johnson, president of the Manitoba Weed Supervisors Association. In 1996, 350,000 were brought in from a capture site in
Crops

Include European Pesticide Policy In Free Trade Talks

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Officials negotiating a free trade deal with Europe must get EU officials to clarify the impact proposed pesticide registration rules will have on food imports from Canada, says Ron Bonnett, first vice-president of the Canadian Federation of Agriculture. “We plan to raise this issue with Canadian negotiators,” Bonnett said in an interview after a meeting

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