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  2. Phytophthora infestans - Wikipedia

    en.wikipedia.org/wiki/Phytophthora_infestans

    Phytophthora infestans is an oomycete or water mold, a fungus-like microorganism that causes the serious potato and tomato disease known as late blight or potato blight. Early blight , caused by Alternaria solani , is also often called "potato blight".

  3. Alternaria solani - Wikipedia

    en.wikipedia.org/wiki/Alternaria_solani

    Alternaria solani is a fungal pathogen that produces a disease in tomato and potato plants called early blight. The pathogen produces distinctive "bullseye" patterned leaf spots and can also cause stem lesions and fruit rot on tomato and tuber blight on potato. Despite the name "early", foliar symptoms usually occur on older leaves. [3]

  4. List of tomato diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_tomato_diseases

    Common Names of Diseases, The American Phytopathological Society; Tomato Diagnostic Key, The Cornell Plant Pathology Vegetable Disease Web Page; Tomato Diseases (Fact Sheets and Information Bulletins), The Cornell Plant Pathology Vegetable Disease Web Page; Gautam, P. 2008. Bacterial Speck Disease of Tomato: An Insight into Host-Bacteria ...

  5. Alternaria alternata - Wikipedia

    en.wikipedia.org/wiki/Alternaria_alternata

    Alternaria alternata is a fungus causing leaf spots, rots, and blights on many plant parts, and other diseases. It is an opportunistic [ citation needed ] pathogen on over 380 host species of plant. It can also cause upper respiratory tract infections [ 1 ] and asthma in humans with compromised immunity.

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

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  7. Blight - Wikipedia

    en.wikipedia.org/wiki/Blight

    Berg A. 1926. Tomato Late Blight and its Relation to Late Blight of Potato. Bonn WG, Zwet TVD. Distribution and economic importance of fire blight. Fire blight: the disease and its causative agent, Erwinia amylovora.:37–53. Erskine JM. 1973. Characteristics of Erwinia amylovora bacteriophage and its possible role in the epidemiology of fire ...

  8. Stemphylium solani - Wikipedia

    en.wikipedia.org/wiki/Stemphylium_solani

    Darkening lesions on tomato leaves Advanced necrosis on tomato leaf. Stemphylium solani is of greatest concern in tomatoes, potatoes, peppers, garlic, onions, and cotton, though a wide range of over 20 species have proven susceptible. In tomatoes and potatoes, the resulting disease is known as grey leaf spot. In alliums it is known as leaf ...

  9. Phytophthora nicotianae - Wikipedia

    en.wikipedia.org/wiki/Phytophthora_nicotianae

    Fruit rots occur on tomato, papaya, and eggplant. Onion shows a leaf and stem infection. In tobacco black shank affects the roots and basal stem area, but all parts of the plant can become infected. [5] Damping off symptoms can be observed in young seedlings. The first above ground symptom that will be observed is the wilting of plants, which ...