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
