Table 1. Chemical and Unconventional Control of Powdery Mildew,
Cucumber Beetle and
Fruit Rots on Yield of Pumpkin, Columbus, 1993:
|
Foliar Rating* |
Yield |
| Treatment and rate /A |
2 Sep |
21 Sep |
Tons/A |
|
|
|
|
| Control |
4.5 |
5.5 |
8.2 |
| Kasil #6 26.5 L 3 pt |
4.3 |
5.3 |
7.6 |
| Nova 40 W 2.5 oz |
1.0 |
1.3 |
10.5 |
| RH-0611 62.3 W 2.0 lb |
1.3 |
1.3 |
9.5 |
| ASC 66902 42.2 F 2 qt |
1.0 |
2.5 |
9.8 |
| Bravo 6F 3 pt + Benlate 50 DF 0.5 lb |
2.0 |
3.5 |
10.3 |
| Sun Spray Oil 7E 0.05 % |
|
|
|
| + Sodium Bicarbonate 0.05% 60 gal |
3.3 |
5.0 |
9.7 |
| Rice Hull Ash |
3.3 |
5.0 |
7.9 |
| Row Covers (P-10) |
3.8 |
5.5 |
9.3 |
| Adios |
3.3 |
4.3 |
9.7 |
| Straw Mulch |
4.0 |
4.0 |
8.9 |
| LSD (p=0.05) |
1.9 |
1.8 |
3.3 |
* 1-6 rating where: 1 = no or a trace of mildew, 2=1-25%, 3=26-50%,
4=51-75%, 5=76-100% foliage with fungal colonies and 6=necrotic leaves.
Return to Ohio IPM Home Page.