Alternaria leaf spot

scouted July 21, 2022

Scientific Name
Alternaria sp.
Background
Soybeans in Johnston county were scouted and observed 95% of the field was affected by blight, yellowing, browning, scorch/burn. The symptoms were widespread.
Conclusion
The issue was identified as Alternaria leaf spot. This disease is caused by Alternaria sp. This bacteria attacks the plant after another disease, injury, or insect damage. This disease typically occurs late into the growing season and yield losses are minimal.
Resources
  • No resources have been added.

Looking for more?

Find information on current and past problems in our library.

Browse all problems