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Sweet Corn Disease Nursery


Stewart'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

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