- Author: Rachael Freeman Long
Why do my alfalfa leaves look spotty??
Common leaf spot (Pseudopeziza medicaginis) has been very common in some alfalfa fields this spring due to our wet weather! Symptoms include small circular, brown-to-black spots on the leaves. As the disease progresses, infected leaves turn yellow and drop. Although the disease does not kill plants, defoliation reduces plant vigor, hay quality, and yield, especially with leaf loss during drying and harvesting.
Common Leaf Spot (Pseudopeziza medicaginis) in alfalfa - symptoms are small (.12 inch) circular brown/black spots on leaves, leaves turn yellow and drop. Brown fruiting bodies (apothecia) can be seen within the spots with a hand...