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VCR – Vegetable Crop Report – September 8th, 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 – 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:

Pest Degree Day Forecasting

*NOTE: Data as of September 7th, 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*24672300182315341135197823001396
Chatham-Kent*2273211116501370937180021111239
Norfolk**2223206416051320882175520641186
Huron***2028187214251150731156918721019
Wellington**197018151371109768315151815972
Simcoe County***2010185514141139727155718551012
Durham***2135197515231244813166919751111
Peterborough191417601316104864114601760921
Kemptville***2121195915081234803165219591102
Sudbury***17801641123798258413701641860

*- 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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