Category Archives: chrysanthemums

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

Leafminer control in Ontario’s greenhouse crops -what’s working?

As much as we all hate thrips, there are, frankly, worse problems to have.  And it’s name is Leafminer.  These flies cause just about the ugliest damage we see in floriculture (Fig. 1), and they have incredible pesticide-resistance capabilities. Outbreaks seem … Continue reading

Posted in biological control, chrysanthemums, gerbera, insect pests, Leafminer, Nematodes, Pesticide resistance, sticky tape | Tagged , , , , , , , , , , , , | Leave a comment

“Sticking” it to high populations of thrips in greenhouse crops.

You’ve likely noticed by now that thrips populations are especially high because of the hot, dry summer. Many growers are noticing their usual biocontrol programs can’t keep up, and further defenses are needed this year. The use of mass trapping strategies may be the … Continue reading

Posted in chrysanthemums, IPM tools, Mass trapping, On Farm Research, Pest control strategies, sticky tape, Thrips | Tagged , , , , , , , , , , , | Leave a comment

Where do thrips come from? YOUR MUM(s).

Hopefully my bad attempt at a “Your Momma” joke will get your attention, because this is an important post. Ongoing research by Rose Buitenhuis’ Lab at Vineland has shown that an incredible number of thrips and spider mites come in … Continue reading

Posted in biological control, chrysanthemums, Pesticide resistance, pesticides, Spider mites, Thrips | Tagged , , , , , , , | 1 Comment

Ramping up thrips biocontrol BEFORE they get out of control!

Now that the warm weather is finally upon us, it’s time to start worrying about thrips control. What we’ve learned over the years is that pesticides just don’t cut it – the only reliable chemical for western flower thrips in Ontario is … Continue reading

Posted in biological control, biopesticides, chrysanthemums, Microbial products, Natural enemy interactions, Nematodes, Predatory mites, Preventative treatments, Thrips | Tagged , , , , , , , , , , , | 1 Comment

Banishing Broad Mite – New post in Floriculture IPM Blog

I’ve been getting a lot of calls lately about Broad Mites (Polyphagotarsonemus latus) in crops like New Guinea impatiens, torenia, begonias, exacum, ipomea and gerbera.  Broad mite can also attack chrysanthemums, so it’s time to start thinking about  control of this … Continue reading

Posted in broad mite, chrysanthemums, insect pests, Miticides, New guinea impatiens | Tagged , , , , , , , , , , , , , | 1 Comment