As the damage to lower leaves becomes severe and they fall, these fruiting bodies may work their way into the soil. The center of the lesions on the leaves contain the pycnidia, the fruiting bodies of the fungus. These spots will be distinctive, with a greyish center and brownish edges. These spores attach to leaves, gradually causing spotting to appear. Insects may also accidentally spread spores. Wind or splashing water can carry these spores onto the lower leaves of your plants. The fungus can also overwinter on nearby weeds. The fruiting bodies, or pycnidia, can also be buried in the soil itself and lying in wait. Life Cycle Of Septoriaįungal spores can linger and survive in infected plant debris on the soil’s surface. Without treatment, it can rapidly spread. No matter which species of septoria is discovered, it’s absolutely essential to treat it. Septoria cucurbitacearum affects cucurbits. Septoria pistaciarum causes leaf spotting in pistachio trees, as an example. And as would be expected from such a large genus, other forms of this fungal disease exist too. The Septoria genus of fungi is quite large, with over a thousand fungal species. Any Solanaceae family plant may be affected by this particular fungal species. Among those are other popular garden staples like potatoes and eggplants. Septoria lycopersici can cause damage to many different plant types. Attacking at any stage of development, this fungi is one of the most damaging tomato diseases, although not one of the deadliest to plants. Septoria leaf spot on tomatoes is caused by a fungus, Septoria lycopersici. Spots on tomato leaves can be a sign of septoria. What Is Septoria? Septoria leaf spot is a common problem in home gardens.
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