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Fungicides Strategy for Soybean Rust Management in S. America, S. Africa

General Brazil (J. Yorinori):

Application at first detection

Second spray 15-20 days later for protective fungicides

20-25 days later for protective/curative fungicides.

Timing of the first spray depends on when the first infection is detected, weather conditions, and mode of action of the fungicide

General Zimbabwe (C. Levy, M. Miles, G. Hartman):

Apply first spray soon after flowering

Apply second application 14-20 days later

Third application only in a severe epidemic

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