The onvegetables vegetable crop report. Picture of south western ontario divided by counties and coloured based on degree days. Southern counties are red, central counties are orange and northern counties are green. bubble pictures of onion maggot on a leaf, leak moth on a trap, carrot weevils, onion downy mildew, and yellow sticky traps in an onion field
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VCR – Vegetable Crop Report – August 25th, 2022

The VCR (vegetable crop report) is a weekly update which includes crop updates, weather and growing degree summaries for various vegetable growing regions across Ontario. Continue Reading VCR – Vegetable Crop Report – August 25th, 2022

Temperature – All regions continue to match or surpass their 10 year GDD average except for Peterborough. Daytime temperatures continue to range in the mid- to high- 20s. Nighttime temperatures are expected to range in the mid- teens up to low-20s. Some areas may see one or two nights in the low teens as well

Precipitation – All regions received at least some rain over this past week. Essex, Chatham-Kent, Goderich, and Peterborough are now almost at their 10 year average precipitation monthly total. Norfolk, Wellington, and Simcoe have now received approximately half their 10 year averages. Showers with the risk of thunderstorms are forecasted for the start of the week across Ontario.

Crop Updates

Unfortunately there are no new crop updates this week.

You can check out last week’s post for information on brassica crops, celery, garlic, and onion.

Pest Degree Day Forecasting

*NOTE: Data as of August 24th, 2022

CountyCarrot Rust FlyOnion MaggotCarrot WeevilAster LeafhopperTarnished Plant BugCabbage MaggotSeedcorn MaggotEuropean Corn Borer
THRESHOLD329-395, 1399-1711210-700, 1025-1515138-156, 455+128+40+314-398, 847-960, 1446-1604200-350, 600-750, 1000-1150See legend below
Essex*22152063162813661010176920631243
Chatham-Kent*2030188214641211825159918821094
Norfolk**1991184614301172782156618461052
Huron***179416521247100062913771652884
Wellington**17541613121196559813411613854
Simcoe County***179216511252100664113821651892
Durham***190817631352110171814851763982
Peterborough17071567116592556612951567812
Kemptville***191117631354110872514841763990
Sudbury***16051479111488553112341479776

*- Bivoltine region for ECB. First Peak Catch: 300-350 DD, Second Peak Catch 1050-1100 DD

**- Overlap region for ECB. First Peak Catch: 300-350 DD Second Peak Catch 650-700 DD, Third Peak Catch 1050-1100 DD

***-Univoltine region for ECB. Peak Catch 650-700 DD

Use these thresholds as a guide, always confirm insect activity with actual field scouting and trap counts.

Select a region below for the latest weather, crop and pest degree day information:

Essex County

Chatham-Kent County

Norfolk County

Huron County

Wellington County

Simcoe County

Durham County

Peterborough

Kemptville

Sudbury

Essex County

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Chatham-kent County

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Norfolk County

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Huron County

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Wellington County

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Simcoe County

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Durham County

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Peterborough

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Kemptville

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Sudbury

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