Upcoming Greenhouse IPM Workshop: Sustainable Biocontrol

IPM symposium 2020Eco Habitat will be hosting it’s annual workshop on greenhouse IPM on March 5th in Vineland, so mark your calendars!  This year’s theme is “Achieving Sustainable Biocontrol”, and includes guest speakers discussing how pest monitoring software can improve your IPM program.  Keep reading for all the details.

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Preventing Issues in Your Spring Crops: Sanitation, Dips and Bio Tips.

P1010595With the holiday season over, it’s time to turn our attention to Spring bedding crops. Although here for a brief window, the diversity of these crops means you’re bound to encounter some sort of disease and insect problems.

One way you can head off issues is to plan and prepare now.  This post has important tips on sanitation for common spring crop diseases, dips and early sprays to prevent key pests, as well as tips on where to spend your biocontrol dollars.

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2019 Poinsettia Open House: Jordan, ON

poinsettia trials _pinks 2Once again, Focus Greenhouse Management and Jeffery’s Greenhouse are partnering to bring us the 2019 Poinsettia Open House!

There will be presentations on pest management in poinsettia, troubleshooting production issues as well as plant growth regular trials.  And, as always, there will be lots and lots of poinsettia varieties to look at!

Read on for more details including speakers and sales reps that will be present.

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Biocontrol of Bemisia: 7 Things to Consider Before You Turn to Chemicals.

turning color.jpgIt’s that time of year again where it’s “do or die” time in Poinsettia: either your biocontrol program is on track, or it’s time to see if pesticides work.

Here’s what to look for in your crop to help you make the decision, including acceptable infestation levels and evidence of successful biocontrol.

This post also contains information on chemical options for Bemisia whitefly in 2019.

Continue reading “Biocontrol of Bemisia: 7 Things to Consider Before You Turn to Chemicals.”

What you NEED TO KNOW about Thrips and Whitefly Control: September Update

thrips and whiteflyIt’s that time of year again where two of our biggest crops cross over: fall pot mums and poinsettia. This means growers have to simultaneously keep an eye on the two biggest pests in the industry: thrips (usually western flower thrips) and Bemisia whitefly.

Here’s how things are shaping up with these pests and where they might be going.

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99 Poinsettia Problems: Your Monthly Scouting Guide

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This post on poinsettia problems was contributed to by Drs. Chevonne Dayboll and Sarah Jandricic.

Okay, so Poinsettia don’t really get that many problems.  But when issues arise, they can hit a crop fast and hard.  Whitefly, Lewis mite, root rots, and nutritional issues can all quickly derail a quality crop.

Here’s a month by month guide on what you should be looking for to prevent small problems from becoming big issues.

 

 

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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.

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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.

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Controlling Echinothrips in Ornamentals without Pesticides: News from the Netherlands.

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How are YOU controlling your Echinothrips? (Photo by Entocare NL).

Echinothrips americanus is an interesting pest in Ontario.  An occasional pest of little concern for some, its presence often plagues others (i.e. cut flower growers). The greenhouse research team at Wageningen University & Research has been working to find reliable, effective biocontrol  strategies for this Echinothrips.

Read on for their latest update on what’s working, and how this applies to Canadian growers.

Continue reading “Controlling Echinothrips in Ornamentals without Pesticides: News from the Netherlands.”

2017 Update: 4 Ways You May Be Killing Your Predatory Mites, and How to Check!

PowerPoint PresentationNote: This is a re-post but contains important information on use of DDVP (dichlorvos) with mite sachets. (See point 4!)

In 2017, I had an interaction with a grower where their long-standing biocontrol program for thrips suddenly seemed to be failing. After a (too long) investigation by  myself, the grower, and consultants, we found out the horrible truth: their predatory mites were being MURDERED (Duh dun DUHNNN!)… By improper storage.

This post focuses on all the ways YOU might also be guilty of mite murder, and how to make sure your mites are still alive and kicking in those little sachets.

(And yes, I’ve stooped to the level of click-bait titles).

Continue reading “2017 Update: 4 Ways You May Be Killing Your Predatory Mites, and How to Check!”