Information for commercial vegetable production in Ontario
In Sarnia, the 3rd generation of cabbage maggot are expected to emerge in next day or so. In the London… Continue Reading Degree days for root, bulb and leafy vegetable pests – 15 August 2011
In Sarnia, the 3rd generation of cabbage maggot are expected to emerge in 7-8 days. In the London area, the… Continue Reading Degree days for root, bulb and leafy vegetable pests – 8 August 2011
In the Windsor area, degree days have accumulated past the threshold indicating emergence of the 3rd generation of cabbage maggot.… Continue Reading Degree days for root, bulb and leafy vegetable pests – 31 July 2011
The leek moth is an invasive species of European origin that attacks Allium crops (Fig. 1). This pest is particularly… Continue Reading Leek Moth – Update
The Wellington area has reached the degree day thresholds for the emergence of 2nd generation onion maggot and cabbage maggot. In… Continue Reading Degree days for root, bulb and leafy vegetable pests – 25 July 2011
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
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
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
The GGAO and a group of researchers from OMAFRA, AAFC and the University of Guelph have received funding to test… Continue Reading Bulb and Stem Nematode in Garlic Project
In the Windsor area, accumulated degree days indicate emergence of the 2nd generation of onion maggot and cabbage maggot. Local… Continue Reading Degree days for root, bulb and leafy vegetable pests – 4 July 2011