Category Archives: Nematodes

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

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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

Can you safely mix nematodes and pesticides?

Entomopathogenic nematodes – used to control fungus gnats, shoreflies and thrips – are often a “gateway bio” into biocontrol use in greenhouses.  This is because not only are they effective and easy to use, but they’re generally compatible with insecticide … Continue reading

Posted in biological control, biopesticides, fungus gnats, IPM tools, Met52 insecticide, Natural enemy interactions, Nematodes, pesticides, Thrips | Tagged , , , , , , , | 1 Comment

Spray technique affects nematode rates

Spraying nematodes in your greenhouse for fungus gnats, shoreflies, or thrips?  Then check out this article published in the January 2015 issue of Hort Matters (OMAFRA’s Horticultural newsletter): http://www.omafra.gov.on.ca/english/crops/hort/news/hortmatt/2015/01hrt15a2.htm Researchers realized that nematodes can “stick” to the inside of spray tanks, reducing … Continue reading

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