Category Archives: Preventative treatments

Managing Million Bells, 2017 Updates

It’s that time of year again, when unrooted cuttings or rooted plug trays of Million Bells (Calibrachoa) are first arriving in the greenhouse.   When they go right, Calibrachoa are a relatively easy, staple spring crop.  However, when million bells go bad, they … Continue reading

Posted in Aphid control, Aphidius wasps, biopesticides, Black root rot, Calibrachoa, Fungicides, fungus gnats, Preventative treatments, Thielaviopsis, Thrips | Tagged , , , | Leave a comment

Pest & Disease Prevention in Poinsettia – Now’s the Time!

Poinsettias may only in the greenhouse for a relatively small time, but they can have BIG problems compared to other crops.  Lewis mites, Pythium, and the dreaded Q-Biotype of whitefly all have the potential to make a significant number of plants … Continue reading

Posted in Lewis mite, Poinsettia, Preventative treatments, Pythium, Whitefly | Tagged , , , , , , | Leave a comment

Japanese Beetle Adults Starting to Emerge

For those of you also growing nursery crops or outdoor ornamentals, check out this post from ONnurserycrops on Japanese beetle-sightings in the area and accepted control measures. Japanese Beetle (Popillia japonica) adults are starting to take flight in southern Ontario! via Japanese … Continue reading

Posted in Japanese beetle, Preventative treatments, Registered pesticides | Tagged , | Leave a 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

Got thrips? Check out this exciting new resource!

It’s an exciting time for Floriculture IPM!  I am VERY pleased to announce the launch of the all new GreenhouseIPM website! GreenhouseIPM.org presents a compilation of up-to-date information on Integrated Pest Management (IPM) and biological control  in greenhouses. And, as part of the website … Continue reading

Posted in biological control, IPM tools, Pest control strategies, Preventative treatments, Thrips, Training, Whitefly | Tagged , , , , , , , , , , , , , , , | 3 Comments

Pests on Points: head off problems now!

Many of you will be getting in your poinsettia cuttings a few short weeks from now.  Why not head off whitefly issues as soon as the points come in the door?  Drs. Rose Buitenhuis and Michael Brownbridge of the Vineland … Continue reading

Posted in Pest control strategies, Poinsettia, Preventative treatments, Whitefly | Tagged , , , , , , , | 1 Comment