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  2. Diplocarpon rosae - Wikipedia

    en.wikipedia.org/wiki/Diplocarpon_rosae

    Diplocarpon rosae is a fungus that creates the rose black spot disease. [1] Because it was observed by people of various countries around the same time (around 1830), the nomenclature for the fungus varied with about 25 different names. [2]

  3. Black spot leaf disease - Wikipedia

    en.wikipedia.org/wiki/Black_spot_leaf_disease

    Black leaf, also known as black spot disease can be caused by different types of fungi and bacteria. Most common being Asterina, Asterinella, Diplotheca, Glomerella, Gnomonia, Schizothyrium, Placosphaeria, and Stigmea. Black leaf can affect many different plant species in a wet, damp climate. It may appear as black spots on leaves, stems, and ...

  4. List of pests and diseases of roses - Wikipedia

    en.wikipedia.org/wiki/List_of_pests_and_diseases...

    Anthracnose Sphaceloma rosarum – Spots caused by this fungus originate from a point where leaves are water soaked, usually unnoticeable at first, until they turn black with a very distinct defined edge. As the spots enlarge the centre becomes grey and may fall out resulting in a shot-hole appearance. Defoliation may occur but is often not ...

  5. Rhytisma acerinum - Wikipedia

    en.wikipedia.org/wiki/Rhytisma_acerinum

    Rhytisma acerinum is a plant pathogen that commonly affects sycamores and maples in late summer and autumn, causing tar spot. Tar spot does not usually have an adverse effect on the trees' long-term health. [1] R. acerinum is an Ascomycete fungus that locally infects the leaves of trees and is a biotrophic parasite. [2]

  6. Asperisporium caricae - Wikipedia

    en.wikipedia.org/wiki/Asperisporium_caricae

    Asperisporium caricae is an ascomycete fungus that is a plant pathogen, found in North and South America. It is responsible for the black spot disease on papaya trees. It affects generally leaves and fruits at any time. Sporodochia of Asperisporium caricae was growing under side of leaf, dark blackish brown to black, stroma well-developed ...

  7. Leaf spot - Wikipedia

    en.wikipedia.org/wiki/Leaf_spot

    Prevention of leaf spot disease includes variety selection, crop rotations, plant hygiene and fungicide use for seeds and foliage. [19] To stop the spread of pathogens good sanitation is key as well as the avoidance of handling plants when wet, planting pathogen-free and resistant cultivars and moving out infected plants. [ 20 ]

  8. Sooty mold - Wikipedia

    en.wikipedia.org/wiki/Sooty_mold

    Using formulations of neem oil, which is an organic broad spectrum pesticide, insecticide, fungicide and miticide controls mites and insects such as whitefly, aphid, scale, and mealy bugs, and additional fungus diseases like black spot, rust, mildew, and scab. Neem oil can be used on house plants, flowers, vegetables, trees, shrubs and fruit ...

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