Back to Seed Treatment Report

Sweet Corn Disease Nursery


Stewart's Bacterial Wilt, Erwinia stewartii

Table 1. Level of Stewart's wilt control (%)a from seed treatment insecticides applied to Jubilee sweet corn planted in earlyb and latec trials in Urbana and Manito, IL in 2000.

Treatment
and rate
Urbana -early Manito - early Urbana - late Manito - late
6-01 6-15 6-02 6-22 7-10 7-20 8-04 7-25 8-09
Adage 50 73% 64% 76% 72% 64% 58% 66% 61% 56%
Adage 100 71 71 84 79 71 59 65 59 63
Adage 200 70 75 85 93 67 61 73 72 73
Adage 250 71 74 88 85 71 62 71 68 72
Gaucho 3.2 72 70 84 75 70 56 67 74 70
Gaucho 4.8 77 72 83 80 76 62 69 73 75
Gaucho 6.4 79 79 89 85 79 65 70 74 70
G2 2.4 77 75 91 91 72 67 73 71 65
G2 4.8 81 87 91 94 76 66 71 74 73
BLSD (k=100) 9.2 12.3 10.7 7.7 12.1 ns ns ns ns

a Level of control (%) = [1 - (incidence of systemic Stewart's wilt in treated plots/incidence of systemic Stewart's wilt in non-treated control plots)] x 100.

b Early trials planted 26 and 27 April in Manito and Urbana, respectively.

c Late trials planted 19 and 22 June in Urbana and Manito, respectively.

Back to Seed Treatment Report

Department of Crop Sciences
College of Agricultural, Consumer, and Environmental Sciences
University of Illinois at Urbana-Champaign
C-FAR banner
Design by: Crop Sciences Computer and Web Support Group
Copyright © 2010 University of Illinois at Urbana-Champaign
Email site problems to the webmaster