A new pesticide is available for greenhouse ornamental production in Canada that has shown potential for effective suppression of difficult-to-control thrips and whitefly species.
But to keep this new tool effective, growers will have to use this chemical wisely. Keep reading for efficacy data on ornamental crops and best management practices for incorporating this chemical into your IPM toolbox.
Continue reading “New Chemical Control Option for Thrips and Whitefly”
It will soon be that time of year again, when Japanese beetle adults begin to fly. However, the cooler spring means pupation may take longer. So what does that mean for timing of control products?
This post answers those questions and provides updated infographics for JB control for those exporting to non-JB areas.
Continue reading “Updates 2020: Japanese Beetle Control”
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.
Continue reading “Which Pesticides are Effective for Whitefly?”
Japanese 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.”
See the original post by Jen Llewellyn at ONnurserycrops.wordpress.com.
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.”
Japanese beetle (Popillia japonica) adults were spotted flying on June 29 (2018) in Ontario!
The Japanese beetle season is upon us once again! Adults were spotted this week in Southern Ontario.
Shipping outside Ontario or need to meet the requirements of the JB module for the Greenhouse Certification Program? Not sure what’s required?
This post contains a treatment “decision tree” and a JB product “cheat sheet” to help growers of greenhouse ornamentals.
Continue reading “Japanese beetles are in flight! WHAT and WHEN to spray.”
Changes will soon be coming to some of the chemical products you rely on most.
It seems there is never a dull moment in the greenhouse ornamental industry these days. From transitions to new crops, new export requirements, to novel pest problems, the industry has seen a lot of change….and it’s not over yet.
The industry is also going to be facing changes regarding some commonly used chemical products. Here is the latest on potential revisions to the list of chemical tools we have access to in Canadian floriculture.
This is guest post was written by Cary Gates, Pest Management Director at Flowers Canada Growers.
Continue reading “The New Era of Pesticides in Canada: Cancellations, Re-evaluations, and New Products”
An snapshot of Health Canada’s new Pesticide Labels App for Droid or Apple phones.
Ever needed just to quickly look up a rate for a particular pesticide, or see if it’s compatible with your bio program, only to get lost on Google or get frustrated by the numerous tables in Pub 370? Well, me too.
Read on for resources to make accessing pesticide information quicker and easier for Ontario’s floriculture sector.
These include a new mobile app for ALL registered pesticides, as well as a downloadable spreadsheet you can tailor to your needs.
Continue reading “Accessing Info on GH Floriculture Pesticides Quickly and Easily”
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 Beetle Adults Starting to Emerge — onnurserycrops
That’s right! As of today, flower growers have 2 new weapons against fungal diseases at their disposal. Heritage MAXX (azoxystrobin) and Medallion (fludioxonil) are now registered for use in outdoor and greenhouse ornamentals.
Impatiens showing signs of nutritional deficiency due to Pythium root rot infection. Heritage MAXX is now available for Pythium control in greenhouse ornamentals.
Heritage (a Group 11 fungicide) is a systemic fungicide, and is appropriate for control of Pythium, Grey mould (aka Botrytis blight) and Rhizoctonia. It can also be used for foliar diseases such as Powdery Mildew, Downy mildew, Rust, Anthracnose and Alternaria Leaf Spots. You can find the new label here: HeritageLABEL2016.
Medallion (a Group 12 fungicide) is a contact fungicide, and is appropriate for control of root rots such as Fusarium, Rhizoctonia, and Black Root Rot (Thielaviopsis) when applied as a drench. It can be applied foliarly for Grey Mould, Anthracnose Leaf Spot and Rhizoctonia Stem Rot. MedallionLABEL2016.
Medallion fungicide is now available to Canadian ornamental growers to help control diseases like Alternaria leaf spot (shown here on impatiens).
Both are broad-spectrum fungicides that can be used curatively or prophylactically.
As with any chemical control product, make sure to read and follow the label carefully prior to use.
(Also, 1000 points each to the team that helped push these label expansions forward:Cary Gates, Flowers Canada; Jim Chaput, OMAFRA; Jennifer Llewellyn, OMAFRA and Graeme Murphy, formerly of OMAFRA).