Snap Beans in Hot Weather
Daytime temperatures over 30 C and/or nighttime temperatures over 20 C during flowering have a large impact on the snap… Continue Reading Snap Beans in Hot Weather
Month: July 2011
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
Degree days for root, bulb and leafy vegetable pests – 18 July 2011
The Windsor area has reached the degree day threshold for emergence of the 2nd generation of carrot rust fly. The Wellington… Continue Reading Degree days for root, bulb and leafy vegetable pests – 18 July 2011
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
Quebec and Ontario Baby Spinach Growers Receive Urgently Needed Emergency Use Registration for Seed Corn Maggot
J. Chaput, OMAFRA, Minor Use Coordinator, Guelph The Pest Management Regulatory Agency (PMRA) recently announced the approval of an emergency… Continue Reading Quebec and Ontario Baby Spinach Growers Receive Urgently Needed Emergency Use Registration for Seed Corn Maggot
Degree days for root, bulb and leafy vegetable pests – 11 July 2011
Bradford/Holland Marsh, Sarnia, and London areas have reached the degree day threshold for emergence of the 2nd generation of onion… Continue Reading Degree days for root, bulb and leafy vegetable pests – 11 July 2011
Western bean cutworm – time to scout
Field crop scouts and entomologists have been finding western bean cutworm (WBC) eggs recently and reports are now coming in… Continue Reading Western bean cutworm – time to scout
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