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.

Continue reading “Preventing Issues in Your Spring Crops: Sanitation, Dips and Bio Tips.”

The Rugose Virus Threat – Will it Affect Your Spring Crops?

Tomatoes infected with the Rugose virus. Photo courtesy of HortiDaily.

By now,  you may of heard of the Tomato Brown Rugose Fruit Virus (ToBRFV), referred to more simply as “Rugose”. It is a viral disease that predominately impacts tomato plants, but also peppers, leaving fruit damaged and unmarketable.

 

It was first detected in Israel in 2014 but has now been found in parts of North America.

If you are a Canadian ornamental grower that ALSO grows tomato liners as part of your spring crop selection, or if you grow ORNAMENTAL PEPPERS, here is what you need to know regarding Rugose symptoms, prevention and more importantly, regulations.

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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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Which Pesticides are Effective for Whitefly?

Bemisia 4_SJ

Whitefly – especially Bemisa whitefly – are STILL one of the hardest insects to control with pesticides in the greenhouse industry,

Efficacy trials are key to keeping growers informed about which chemicals currently work and which don’t for Bemisia whitefly. 

Entomologists at the University of Maryland and Delaware recently did such a study, and included newer pesticide registrations. If you missed the article in the July issue of Grower Talks magazine, keep reading for the link to their results and a Canadian take on the study.

 

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Japanese Beetles are in Flight! How to control JB under the new GCP regulations.

JB Pesticide timing InfographicJapanese Beetle (Popillia japonica) adults are starting to take flight in southern Ontario.   They have been spotted in Hamilton and Niagara this week. Read on for an updated post on WHAT and WHEN to spray for JB to meet certification requirements if you ship product outside Ontario.

Continue reading “Japanese Beetles are in Flight! How to control JB under the new GCP regulations.”