Alternaria blight and leaf spot
scouted July 6, 2022
- Scientific Name
- Alternaria sp.
- Background
- Soybeans in Johnston county were scouted and observed 20% of the field was affected by browning and yellowing in as mottle pattern, in spots in the field. The site is dry and sunny.
- 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
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- No resources have been added.
