Welcome back to the final August installment of the Vegetable Crop Report!
Pest Degree Day Forecasting
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 |
| Bruce*** | 1699 | 1560 | 1161 | 912 | 582 | 1291 | 1560 | 799 |
| Essex* | 2142 | 1982 | 1535 | 1266 | 887 | 1677 | 1982 | 1138 |
| Chatham-Kent* | 2010 | 1853 | 1417 | 1153 | 784 | 1557 | 1853 | 1028 |
| Norfolk** | 1963 | 1808 | 1383 | 1122 | 759 | 1519 | 1808 | 997 |
| Huron*** | 1807 | 1659 | 1250 | 996 | 647 | 1381 | 1659 | 874 |
| Wellington Centre** | 1765 | 1622 | 1221 | 972 | 624 | 1351 | 1622 | 853 |
| Wellington North** | 1773 | 1632 | 1230 | 976 | 630 | 1362 | 1632 | 855 |
| Simcoe*** | 1797 | 1654 | 1247 | 1000 | 657 | 1378 | 1654 | 881 |
| Durham*** | 1940 | 1790 | 1368 | 1113 | 755 | 1503 | 1790 | 991 |
| Peterborough | 1825 | 1679 | 1260 | 1005 | 654 | 1394 | 1679 | 884 |
| Kemptville*** | 1970 | 1823 | 1406 | 1144 | 780 | 1542 | 1823 | 1016 |
| Sudbury*** | 1676 | 1544 | 1164 | 925 | 597 | 1288 | 1544 | 811 |
| Timiskaming*** | 1635 | 1501 | 1112 | 869 | 545 | 1240 | 1501 | 756 |
| Lambton** | 1970 | 1817 | 1386 | 1127 | 764 | 1524 | 1817 | 1001 |
| Thunder Bay | 1491 | 1362 | 995 | 772 | 461 | 1115 | 1362 | 664 |
| Middlesex** | 1995 | 1841 | 1415 | 1154 | 786 | 1551 | 1841 | 1029 |
| Renfrew | 1981 | 1837 | 1423 | 1163 | 803 | 1559 | 1837 | 1040 |
*- 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:
Norfolk
Essex
Sudbury
Chatham-Kent
Peterborough
Huron
Durham
Thunder Bay
Bruce
Kemptville
Lambton
Middlesex
Renfrew
Simcoe
Wellington Centre
Wellington North
Timiskaming
Thank you very much for Welcome back to the final August installment of the Vegetable Crop Report!