Revised

Side-by-side comparison of soybean rust disease stages

Compare the stages of Soybean rust
Early stage of development on upper leaf surface
Early stage of development on lower leaf surface
Early stage of development on stems
Middle stage of development on upper leaf surface
Middle stage of development on lower leaf surface
Middle stage of development on stems
Late stage of development on upper leaf surface
Late stage of development on lower leaf surface
Late stage of development on stems
Compare the stages of Soybean rust
Early stage of development on upper leaf surface
Early stage of development on lower leaf surface
Early stage of development on stems
Middle stage of development on upper leaf surface
Middle stage of development on lower leaf surface
Middle stage of development on stems
Late stage of development on upper leaf surface
Late stage of development on lower leaf surface
Late stage of development on stems


Figure 1
Soybean rust, especially in early stages, can be difficult to identify. Examine both upper and lower leaf surfaces, starting with leaves in the lower canopy of the plants.