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 – July 28th, 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 – July 28th, 2022

Temperature – All regions continue to match or pass their 10 year average cumulative GDD trends except Peterborough which continues to lag behind. Daytime temperatures are expected to be in the mid- to high-20s across the province and feel higher with the humidex. Nighttime temperatures may range from mid- to high-teens to mid 20s.

Precipitation – Essex and Kemptville have exceed their 10 year average cumulative rainfall for July. Durham region and Peterborough have received approximately 3/4 and Norfolk, Simcoe and Sudbury have received more that half. Rain is forecasted for the beginning of the week in many parts of Ontario along with the risk of thunderstorm in some areas. Showers with a risk of thunderstorms are expected again across the province toward the end of the week.

Crop Updates

Many specialists are away this week so there are no new updates.

However, you can take a look at last weeks VCR post for some recent updates:

Or this July 26th update on late blight for tomato and potato growers:

Pest Degree Day Forecasting

*NOTE: Data as of July 27, 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*168615621210100573213231562910
Chatham-Kent*15061387105586157311621387772
Norfolk**14951378104584454911541378752
Huron***131412008796884129811200600
Wellington**129911878686794079711187595
Simcoe County***131712048896994299911204613
Durham***1399128295576047210601282669
Peterborough124111298116273639131129542
Kemptville***1414129497077949110711294689
Sudbury***115510607846143598741060535

*- 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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