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  2. Pseudocercospora fuligena - Wikipedia

    en.wikipedia.org/wiki/Pseudocercospora_fuligena

    Pseudocercospora fuligena is a fungal plant pathogen infecting tomatoes. [2] It is the cause of the fungal disease black leaf mold. [3] The fungus was first described in the Philippines in 1938 and has since been reported in numerous countries throughout the tropics and subtropics.

  3. Tomato leaf mold - Wikipedia

    en.wikipedia.org/wiki/Tomato_leaf_mold

    Cladosporium fulvum is an Ascomycete called Passalora fulva, a non-obligate pathogen that causes the disease on tomatoes known as the tomato leaf mold. [1] P. fulva only attacks tomato plants, especially the foliage, and it is a common disease in greenhouses, but can also occur in the field. [2] The pathogen is likely to grow in humid and cool ...

  4. Septoria lycopersici - Wikipedia

    en.wikipedia.org/wiki/Septoria_lycopersici

    Septoria lycopersici infects the tomato leaves via the stomata and also by direct penetration of epidermal cells. [3] Symptoms generally include circular or angular lesions most commonly found on the older, lower leaves of the plant. [1] The lesions are generally 2–5 mm in diameter and have a greyish center with brown margins.

  5. Bacterial spot and speck are just two diseases that can ... - AOL

    www.aol.com/bacterial-spot-speck-just-two...

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  6. Leaf spot - Wikipedia

    en.wikipedia.org/wiki/Leaf_spot

    Leaf spot on many plants and crops. Septoria: Small brown spots, that turns light tan to white in the centre. Leaf spot on many crops Bipolaris: Leaf spot on grasses Drechslera: Leaf spot on grasses Exserohilium: Leaf spot on grasses Curvularia: Leaf spot on grasses Cylindrosporium: Leaf spot on many plants Colletotrichum, Gloeosporium ...

  7. Alternaria solani - Wikipedia

    en.wikipedia.org/wiki/Alternaria_solani

    On tomato, foliar symptoms of A. solani generally occur on the oldest leaves and start as small lesions that are brown to black in color. These leaf spots resemble concentric rings – a distinguishing characteristic of the pathogen – and measure up to 1.3 cm (0.51 in) in diameter. [11]

  8. List of tomato diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_tomato_diseases

    Tomato fern leaf Cucumber mosaic virus: Tomato mosaic Tomato mosaic virus Tomato mottle Tomato mottle geminivirus: Tomato necrosis Alfalfa mosaic virus: Tomato spotted wilt Tomato spotted wilt virus: Tomato yellow leaf curl Tomato yellow leaf curl virus: Tomato yellow top Tomato yellow top virus: Tomato bunchy top: Potato spindle tuber viroid ...

  9. Xanthomonas campestris pv. vesicatoria - Wikipedia

    en.wikipedia.org/wiki/Xanthomonas_campestris_pv...

    Plants can drop 50–100% of their foliage. BLS can also affect the stems of plants, leading to elongated, raised, light-brown cankers, less than .25 inch long. (5) Defoliation occurs more commonly in pepper plants than tomatoes, so tomato plants with bacterial leaf spot often have a scorched appearance due to their diseased leaves. [2] [5]