Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu
Location: Art and Keith Wicks Farm, Rt 9, Little Creek, Kent County.
Greenrow: May 3
| Date |
Late Blight |
Early Blight |
Spray Interval Recommendation |
|
|
DSV |
Total DSV |
Accumulated P-days* |
||
| 6/27 |
1 |
70 |
416 |
10-days |
| 6/28 |
1 |
71 |
424 |
10-days |
| 6/29 |
0 |
71 |
432 |
10-days |
| 6/29-7/2 |
0 |
71 |
456 |
10-days |
| 7/3 |
1 |
72 |
462 |
10-days |
| 7/4 |
0 |
72 |
468 |
10-days |
| 7/5 |
1 |
73 |
474 |
10-days |
| 7/6 |
0 |
73 |
481 |
10-days |
| 7/7 |
3 |
76 |
486 |
7-days |
| 7/8 |
3 |
79 |
493 |
5-days |
| 7/9 |
0 |
79 |
499 |
5-days |
| 7/10 |
0 |
79 |
506 |
5-days |
| 7/11-7/14 |
0 |
79 |
530 |
10-days |
| 7/15-7/18 |
0 |
79 |
558 |
10-days |
Continue to scout fields for symptoms of late blight. Maintain spray programs if plants are still growing.
There have been no further reports of late blight in the region.
For specific fungicide recommendations, see the 2011 Delaware Commercial Vegetable Production Recommendations Book.