Expected Yield Loss from Defoliation
Development
Stage at
Defoliation (%)
Defoliation
10
25
50
75
100
% Yield Loss
V2
0
3
4
5
18
V6
0
3
5
8
26
R2
2
4
9
15
37
R4
7
13
18
36
83
R6
6
6
7
14
33
R7
0
0
0
0
0
NOTE:
Vegetative and reproductive staging
.
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Corn, Soybean, Wheat, and Alfalfa Field GuideBulletin 827