Category Archives: biological control

Update on foxglove aphid control: seeking greenhouse collaborators!

Investigating biocontrol options for our industry is always important, given the lack of registered insecticides in this country.   Currently, we are relying heavily on two closely related chemicals –  Beleaf (flonicamid) and Endeavor (pymetrozine) – for control of the … Continue reading

Posted in Aphid control, Aphids, biological control, Foxglove aphid | Tagged , , , , | Leave a comment

Christmas in July: tips for controlling whitefly in poinsettia. (Hint – start now!).

Poinsettias cuttings are here!   They may only in the greenhouse for a relatively short time, but they can have BIG problems compared to other crops.  Not the least of which is Bemisia whitefly: a pest that can be hard to control with natural enemies and can ALSO be resistant to pesticides.  So what’s a grower […]

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Posted in Bemisia whitefly, biological control, dipping cuttings, imported cuttings, Pest control strategies, Poinsettia, Preventative treatments, Registered pesticides, Whitefly | Tagged , , , , , , , , | 3 Comments

Talk to the world’s leading greenhouse IPM researchers on June 7th!

Have pressing pest management questions you can’t get answered?  Looking to see what new strategies are coming down the IPM pipeline?   Then come to the Grower Session of the IOBC Canada 2017 meeting and network with world leaders in the … Continue reading

Posted in biological control, Events, Industry trends, New Products, News, Pest control strategies | Leave a comment

Cooler weather means more foxglove aphids: a refresher

Now that temperatures have cooled down, it’s time to start watching for foxglove aphid as your primary aphid pest, rather than green peach or melon aphid.  Here’s links to 2 articles that were published this week that talk about this … Continue reading

Posted in Aphid control, Aphids, biological control, Pest control strategies | Tagged , , , | Leave a comment

4 Ways You’re Accidentally Killing Your Predatory Mites!

Recently, I had an interaction with a grower where their long-standing biocontrol program for thrips suddenly seemed to be failing. After a (too long) investigation by Graeme Murphy and myself, we came to a horrible realization: their predatory mite were … Continue reading

Posted in biological control, Climate, compatibility with pesticides, Predatory mites, Thrips | Tagged , , , | 9 Comments

Webinar Detailing Thrips Control Strategies Now on the Web.

For those of you that missed my webinar on “Thrips Control: from Propagation to Pocketbook”, it is now available for free on the Greenhouse Canada Magazine website.  Keep reading for more details and a link to the talk.

Posted in biological control, biopesticides, BontaniGard, chrysanthemums, costs, biological control, dipping cuttings, IPM tools, Met52 insecticide, On Farm Research, Pest control strategies, sticky tape, Thrips | Tagged , , , , , , | Leave a comment

Online Course Offered in Biological Control in Greenhouses by U.S. Experts

Experts at Michigan State and Kansas State are now offering a fall term of the pre-recorded online course on Biological Control for Greenhouse Growers. The enrollment period is open until Oct. 14, 2016, where the course will then be available … Continue reading

Posted in biological control, costs, biological control, Events, IPM tools, Online resources, Training | Tagged , , , , , | Leave a comment