Crop Protection
NEWS HIGHLIGHT

Basil growers get downy mildew assist
The Pest Management Regulatory Agency (PMRA) recently announced the approval of emergency use registrations to help control an outbreak of basil downy mildew on greenhouse- and field-grown basil in Ontario and Alberta.
Keeping pests on the run can keep growers hopping. But a good integrated pest management program will tip the balance in the growers’ favour, and the heart of any IPM strategy is effective crop scouting.
NEWS HIGHLIGHT

Gardeners cross-border shop for illegal pesticides
To get around provincial pesticide rules, some Canadians are making day trips to the United States to take advantage of the strong Canadian dollar and weaker American regulations around pesticides and herbicides.
WEB EXCLUSIVE

'Bodyguards' against fungal infections
With up to 33,000 “taxa,” plant roots are home to an unprecedentedly large diversity of bacteria. Some of these bacteria can function as a type of bodyguard for plants, protecting them against infection by harmful fungi.
May 12, 2011, Wageningen, the Netherlands — With up to 33,000 “taxa,” plant roots are home to an unprecedentedly large diversity of bacteria. Some of these bacteria can function as a type of bodyguard for plants, protecting them against infection by harmful fungi.
WEB EXCLUSIVE

'Bodyguards' against fungal infections
With up to 33,000 “taxa,” plant roots are home to an unprecedentedly large diversity of bacteria. Some of these bacteria can function as a type of bodyguard for plants, protecting them against infection by harmful fungi.
Picture it: it’s a beautiful spring day, and you’re walking through your early bedding crops.
NEWS HIGHLIGHT

Update on pesticide changes for Ontario retailers

The Ontario Ministry of the Environment (OME) has brought in new pesticide changes that will affect Ontario garden centres beginning on April 22, 2011. Here is a statement from the OME regarding the new regulations.
March 4, 2011 - The Ontario Ministry of the Environment (OME) has brought in new pesticide changes that will affect Ontario garden centres beginning on April 22, 2011. Here is a statement from the OME regarding the new regulations.
It is about two years since I last wrote about thrips control in ornamental crops, and in that time there have been changes in the way growers are approaching biocontrol and in some of the biocontrol products available.
NEWS HIGHLIGHT

More pesticide changes for Ontario retailers

The Ontario Pesticides Advisory Committee (OPAC) is bringing in new pesticide changes that will affect Ontario garden centres beginning on April 22, 2011.
Botrytis grey mould, caused by the fungus Botrytis cinerea, occurs commonly in greenhouse crops and a variety of small fruits, herbs and ornamentals, etc. Not only is B. cinerea widespread, but it can survive between crops under unfavourable conditions by means of resistant survival structures called sclerotia.
This past summer, we have seen greater problems with leafminer than we have for a number of years.
Integrated pest management is a key tool for both novice and seasoned greenhouse vegetable growers, attendees at last year’s Saskatchewan Green Trades Conference learned.
Two relatively common yet very different viruses that can infect cucumbers include Cucumber mosaic virus (CMV) and Melon necrotic spot virus (MNSV)

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