What to Do About Septoria Leaf Spot?
How to Treat Septoria Leaf Spot Removing Infected Leaves. Remove Infected Leaves Immediately, and Be Sure to Wash Your Hands and Pruners Thoroughly Before...
- Removing infected leaves. Remove infected leaves immediately, and be sure to wash your hands and pruners thoroughly before working with uninfected plants.
- Consider organic fungicide options. ...
- Consider chemical fungicides.
What is the best fungicide for septoria leaf spot?
Most fungicides registered for use on tomatoes would effectively control Septoria leaf spot. These include maneb, mancozeb, chlorothalonil, and benomyl. Captan is not effective and zineb may be difficult to purchase.
Is Septoria leaf spot a fungus?
Septoria leaf spot is caused by the fungus Septoria lycopersici, which survives in plant debris or on infected plants. Septoria leaf spot symptoms typically begin as plant canopies start to close. Denser foliage leads to high humidity and longer periods of leaf wetness that favor the disease.
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