|
TABLE 1. DISEASE RESISTANCE OF PLUM CULTIVARS IN EXPERIMENTAL PLANTINGS AT AUBURN AND SHORTER, ALABAMA |
||||||
| Cultivar |
Disease index 1
|
|||||
|
|
Bacterial |
Bacterial |
Bacterial |
Black |
Brown |
Plum leaf |
|
AU-Rubrum |
0 |
0 |
1 |
0 |
2 |
1 |
|
AU-Amber |
0 |
0 |
0 |
5 |
2 |
0 |
|
AU-Producer |
0 |
0 |
0 |
1 |
2 |
1 |
|
AU-Roadside |
0 |
0 |
0 |
0 |
2 |
I |
|
Bruce |
0 |
0 |
0 |
0 |
4 |
4 |
|
Crimson |
0 |
0 |
0 |
0 |
I |
3 |
|
Homeside |
0 |
0 |
I |
I |
3 |
1 |
|
Methley |
3 |
5 |
5 |
5 |
3 |
4 |
|
Morris. |
1 |
2 |
2 |
5 |
2 |
2 |
|
Ozark Premier |
0 |
1 |
1 |
1 |
3 |
4 |
|
Purple |
0 |
0 |
0 |
0 |
3 |
5 |
|
Santa Rosa |
5 |
5 |
5 |
0 |
3 |
5 |
|
1 Disease index 0 = 0, I = 1-10, 2 = 21-40, 3 = 41-60, 4 = 61-80, and 5 = 81-100 percent of fruit, leaves, and trees infected. Ratings were taken in years when injury from disease was severe on susceptible cultivars. |
||||||