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  2. Phomopsis cane and leaf spot - Wikipedia

    en.wikipedia.org/wiki/Phomopsis_cane_and_leaf_spot

    Phomopsis cane and leaf spot is a disease that causes symptoms in the common grapevine species, Vitis vinifera, in many regions of the world. [2] This disease is mainly caused by the fungal pathogen, Phomopsis viticola, and is known to affect many cultivars of table grapes, such as Thompson Seedless, Red Globe, and Flame Seedless. [3]

  3. List of grape diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_grape_diseases

    This is a list of diseases of grapes (Vitis spp.). Bacterial diseases. Glassy-winged sharpshooter, the primary carrier of PD. Bacterial diseases;

  4. Mycosphaerella angulata - Wikipedia

    en.wikipedia.org/wiki/Mycosphaerella_angulata

    Mycosphaerella angulata is a major pathogen affecting the muscadine grape. Infection occurs mainly after midseason. The primary symptoms of this disease are faint chlorotic spots on the leaves. The chlorotic spots continue to grow in size during the growing season, forming angular brown lesions in the center.

  5. Black rot (grape disease) - Wikipedia

    en.wikipedia.org/wiki/Black_rot_(grape_disease)

    The disease cycle begins with the overwintering structures. The grape black rot pathogen overwinters in many parts of the grape vine, especially mummies and lesions, and is able to overwinter on the vineyard floor. [3] In fact, "Viable lesions capable of producing conidia can persist in wood for at least 2 years."

  6. Grapevine yellows - Wikipedia

    en.wikipedia.org/wiki/Grapevine_yellows

    The main viticultural production areas in the Republic of North Macedonia were surveyed in 2006/2007/2008 for the presence of grapevine yellows. PCR and RFLP analyses were used to detect and identify phytoplasmas infecting grapevines. Only phytoplasmas associated with “bois noir” disease (ribosomal subgroup 16SrXII-A or stolbur) were ...

  7. Disease resistant grapes could be boon for Florida's ... - AOL

    www.aol.com/disease-resistant-grapes-could-boon...

    The first crop at UF/IFAS’s Plant Science Research and Education Unit in Citra, Florida, of Pierce’s disease-resistant grapes showed no signs of disease. The grape variety was developed by the ...

  8. Grapevine leafroll-associated viruses - Wikipedia

    en.wikipedia.org/wiki/Grapevine_leafroll...

    Some individuals are vectors for infectious pathogens and can transmit them from plant to plant while feeding; mealybug-spread grapevine leafroll associated virus type III (GRLaV-3), in particular, has wreaked havoc among the grapes of New Zealand, reducing the crop yield of infected vineyards by up to 60%. [3]

  9. Global wine glut compounds headaches for struggling ...

    www.aol.com/news/global-wine-glut-compounds...

    Not removing an untended vineyard in a timely fashion renders it vulnerable to pests and disease that can leapfrog onto vines owned by nearby farmers. ... whose family has been growing wine grapes ...

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