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

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Thrips damage on mums.

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 on imported mum cuttings. Here’s the scoop and what you can do about it.

 

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Ramping up thrips biocontrol BEFORE they get out of control!

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Western flower thrips adult on an open Mandevilla flower.  Photo credit: Caitlin MacDonald, USEL student.

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 DDVP, which requires constant application.  This means biological control is your best bet.  Here’s a summary of the most effective tools, tricks, and timing, to ensure your biocontrol dollars are well spent.

Continue reading “Ramping up thrips biocontrol BEFORE they get out of control!”

Thrips workshop info up on web

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The most current information on thrips and whitefly IPM is now at your fingertips at greenhouseipm.org.

For those of you who weren’t able to attend Vineland’s in-depth Thrips IPM Workshops this November, all the 411 is now up on GreenhouseIPM.org.

Here are the things you missed:

Preventing thrips ;  Controlling thrips in propagation ; Monitoring for thrips successfully ; Improving mass-trapping with lures ; Using mites effectively ; Biopesticides for thrips ;How to keep your thrips bios happy ; Checking the quality of your bios ; Controlling thrips with pesticides? ; Thrips case-study in mums ; Economics of thrips biocontrol ; Effects of fertilizers and biostimulants on thrips