VCR – Vegetable Crop Report – September 8th, 2022

Temperature – All counties continue to match or surpass their 10 year average GDD trend except for Peterborough. Many regions experienced a few cooler days last week but daytime temperatures are back in the mid- to high- 20s this week for much of the province. Southern Ontario may see nighttime temperatures in the mid-teens to low-20s. Eastern and Northern region nighttime temperatures are expected to range in the teens.

Precipitation – Most regions received some precipitation over the first week of September except for Wellington, Durham and Peterborough. Some rain is expected in most regions at the beginning of next week and it is expected throughout much of next week in Sudbury. Kemptville and Sudbury also have a risk of thunderstorms on some days.

Crop Updates

There are no new updates this week. Please see last week’s VCR post Or this recent update on late blight for the latest crop information:

VCR – Vegetable Crop Report – September 1st, 2022

Late blight update: Phytopththora infestans detected in Chatham-Kent

Pest Degree Day Forecasting

*NOTE: Data as of September 7th, 2022

County	Carrot Rust Fly	Onion Maggot	Carrot Weevil	Aster Leafhopper	Tarnished Plant Bug	Cabbage Maggot	Seedcorn Maggot	European Corn Borer
THRESHOLD	329-395, 1399-1711	210-700, 1025-1515	138-156, 455+	128+	40+	314-398, 847-960, 1446-1604	200-350, 600-750, 1000-1150	See legend below
Essex*	2467	2300	1823	1534	1135	1978	2300	1396
Chatham-Kent*	2273	2111	1650	1370	937	1800	2111	1239
Norfolk**	2223	2064	1605	1320	882	1755	2064	1186
Huron***	2028	1872	1425	1150	731	1569	1872	1019
Wellington**	1970	1815	1371	1097	683	1515	1815	972
Simcoe County***	2010	1855	1414	1139	727	1557	1855	1012
Durham***	2135	1975	1523	1244	813	1669	1975	1111
Peterborough	1914	1760	1316	1048	641	1460	1760	921
Kemptville***	2121	1959	1508	1234	803	1652	1959	1102
Sudbury***	1780	1641	1237	982	584	1370	1641	860