Now’s the Time for Whitefly Prevention: Registered Products for Poinsettia Dips

OLYMPUS DIGITAL CAMERAHere in Canada, we’ve been talking for years about research on the highly effective method of dipping your poinsettia cuttings in low-risk pesticides to reduce starting whitefly populations

Thanks to Dr. Rose Buitenhuis (VRIC), Cary Gates (FCO) and BioWorks, the label for BotaniGard WP has now officially been expanded to include dip applications.  This now adds to our arsenal (see below for more dip products).

Read on for the current BotaniGard label and how dipping can help improve your Bemisia whitefly program this year, whether you’re using pesticides or biocontrol.

Continue reading “Now’s the Time for Whitefly Prevention: Registered Products for Poinsettia Dips”

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Poinsettias: To Spray or Not to Spray, that is the Question

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T’is poinsettia sticking season once again, and the question always comes down to the same thing: do I use chemicals to control Bemisia whitefly and hope it works this year? Or do I switch to biological control?  Here we show some head to head comparisons that can help you decide.

Continue reading “Poinsettias: To Spray or Not to Spray, that is the Question”

A new (biological!) tool to tackle Japanese Beetle.

See the original post by Jen Llewellyn at ONnurserycrops.wordpress.com. 

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Japanese beetles attack ornamental plants and make shipping out of Ontario more difficult.

It’s almost that time of year again – time for Japanese beetles to begin their flight and make exporting ornamental plants from Ontario more difficult.

But this year, we have a new biological insecticide is available for managing both the larval and adult stages of Japanese Beetle. 

Read more on it’s use and availability.

Continue reading “A new (biological!) tool to tackle Japanese Beetle.”

New Virus in Greenhouse Crops: Important Info Sessions Available Tues and Thurs

ToBRFV is a new virus on the greenhouse scene.

A new, potentially serious plant virus – the Tomato Brown Rugose Fruit Virus – is moving through crops across Europe and the U.S.  As this virus can affect both tomatoes, peppers, and potentially some floral hosts, OMAFRA is running information workshops in Niagara and Leamington to answer grower questions about potential threats to our industry.

Read on for a description of the virus and workshop dates.

Continue reading “New Virus in Greenhouse Crops: Important Info Sessions Available Tues and Thurs”

Reminder: LAST Webinar in “Let’s Talk Disease” Webinar Series Today.

Foliage of cut roses covered with mycellial mats causes by powdery mildew infection.

Powdery mildew in a cut rose production facility.

Please join us THIS AFTERNOON (TUES) at 2pm EST for our LAST webinar presentation.   Dr. Janna Beckerman of  Purdue University will covering disease control in cut flowers.

A reminder that All webinars are FREE – all they require is registration.  Please go to https://www.greenhousecanada.com/webinars to sign up with your email.

Interested in ornamental disease webinars you may have missed?  See below for links to previously recorded presentations.

Continue reading “Reminder: LAST Webinar in “Let’s Talk Disease” Webinar Series Today.”

Updates on Ornamental Disease Webinar Series, “Let’s Talk Disease”.

Screen shot of advertisement for the first webinar in the series, featuring John Lea-CoxWe are ecstatic to report that the webinar series “LET’S TALK DISEASE”  hosted by Greenhouse Canada Magazine and OMAFRA has had high interest and participation from growers.

Running from March to late April, this series covers topics from sanitation measures, to the most effective fungicides for persistent pests like powdery mildew.

Keep reading for and UPDATED list of dates and exciting speakers, and how you can view presentations you might have missed

Continue reading “Updates on Ornamental Disease Webinar Series, “Let’s Talk Disease”.”

Online Training -Greenhouse Basics & Nutrient Management

Picture1Just in time for spring, the University of Florida has released their list of upcoming greenhouse themed online courses for the summer of 2019.

There are three courses available through the summer: Greenhouse 101, Nutrient Management 1 and Nutrient Management 2.  All three courses are offered in both English and Spanish. Continue reading “Online Training -Greenhouse Basics & Nutrient Management”