Crop Protection
Nov. 4, 2011 — The genome of several Pseudomonas syrinage pv. tomato isolates have been sequenced in order to track the bacterial pathogen's ability to overcome plant defenses and to develop methods to prevent further spread.
WEB EXCLUSIVE

Unravelling tomato pathogen's tricks of the trade
The genome of several Pseudomonas syrinage pv. tomato isolates have been sequenced in order to track the bacterial pathogen's ability to overcome plant defenses and to develop methods to prevent further spread.
All growers of hardy perennials will by now have heard of “new” pests such as Sudden Oak Death (Phytophthora ramorum) and the Asian Longhorned Beetle (Anoplophora glabripennis). In fact, a quick look at the list of Pests Regulated by Canada (Plant Health Regulations, 29 2(a)) reveals about 230 or so such organisms (give or take a few duplications).
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.

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