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Sweet Corn Disease NurseryStewart's Bacterial Wilt, Erwinia stewartii |
Table 1. Hybrid reaction percentages from trial results of 1998 through 2000.
Hybrid reaction |
1998 | 1999 | 2000 | |||||
30 June | 22 June | 6 July | 6 June | 18 June | 18 June | 29 June | 6 July | |
1 (R) | 9.3 % | 15.7 % | 1.0 % | 1.6 % | 3.4 % | 5.0 % | 5.6 % | 4.3 % |
2 | 9.3 | 22.0 | 1.0 | 1.8 | 5.1 | 12.2 | 6.2 | 4.1 |
3 (MR) | 12.3 | 35.8 | 2.9 | 2.9 | 10.4 | 15.5 | 7.7 | 6.1 |
4 | 17.4 | 41.2 | 3.6 | 2.6 | 10.4 | 18.2 | 7.9 | 7.5 |
5 (M) | 18.2 | 54.8 | 8.0 | 4.7 | 5.1 | 26.3 | 12.2 | 9.8 |
6 | 23.7 | 59.3 | 10.4 | 5.3 | 10.4 | 30.3 | 15.8 | 12.1 |
7 (MS) | 31.4 | 60.6 | 14.9 | 7.4 | 10.4 | 43.4 | 20.8 | 16.6 |
8 | 41.5 | 69.9 | 25.2 | 9.4 | 18.4 | 47.7 | 36.1 | 25.8 |
9 (S) | 52.2 | 81.2 | 46.0 | 26.4 | 17.2 | 69.6 | 33.6 | 30.9 |
Mean | 23.8 | 50.9 | 11.8 | 5.3 | 26.5 | 25.1 | 12.6 | 10.3 |
sweet corn hybrid reactions classified from resistant (1) to susceptible (9) based on results from disease nurseries each year. Mean - mean incidence for each trial |