Tomato disease update
Update on bacterial disease, root pathogens, late blight Bacterial disease: Bacterial disease is breaking out in many fields, especially where… Continue Reading Tomato disease update
Category: Disease
Powdery Mildew in Cucurbits
Powdery mildew has also arrived in Ontario. Unlike many fungal pathogens, powdery mildew does not require prolonged leaf-wetness for infection… Continue Reading Powdery Mildew in Cucurbits
Downy Mildew in Onions
Onion downy mildew has been reported in Ontario. This disease appears as a purple-grey, velvet-like growth on the leaves usually… Continue Reading Downy Mildew in Onions
Late blight – previous posts
Here are links to some past posts about late blight that may still be of interest: Late blight in tomato –… Continue Reading Late blight – previous posts
Tomato late blight management in Ontario
As reported last week, late blight has been confirmed in a tomato field in Essex County. It was found in… Continue Reading Tomato late blight management in Ontario
Late Blight arrives in Ontario in 2011
Michael Celetti, OMAFRA, Plant Pathologist – Horticulture Crops Program Lead Late blight has been confirmed in a tomato field in Essex… Continue Reading Late Blight arrives in Ontario in 2011
Bacterial Diseases in Snap Beans
There are three different bacterial diseases in snap beans; brown spot, common blight and halo blight. Under field conditions, it… Continue Reading Bacterial Diseases in Snap Beans
Cucurbit Downy Mildew Confirmed in Kent County
Downy mildew is present in a pickling cucumber field in Kent County. A field scout, funded by the Ontario Cucumber… Continue Reading Cucurbit Downy Mildew Confirmed in Kent County
Late blight in tomato
It is important to scout your tomato fields regularly and know the symptoms of late blight. Refer to http://onvegetables.com/2010/07/13/late-blight-look-alikes/ for… Continue Reading Late blight in tomato
US late blight reports
To date, no late blight has been reported in Ontario. Here is a chronology of late blight reports from the… Continue Reading US late blight reports