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  2. Plasmopara viticola - Wikipedia

    en.wikipedia.org/wiki/Plasmopara_viticola

    The disease development of grape downy mildew is known to be heavily reliant on the efficiency of the asexual propagation cycles. Kiefer et al. (2002) demonstrated that the early development of Plasmopara viticola is regulated specifically and coordinately by unknown factors originating from the host grapevine plant Vitis vinifera . [ 13 ]

  3. Bordeaux mixture - Wikipedia

    en.wikipedia.org/wiki/Bordeaux_mixture

    Bordeaux mixture in preparation Bordeaux mixture on grapes. Bordeaux mixture (also called Bordo Mix) is a mixture of copper(II) sulphate (CuSO 4) and quicklime (Ca O) used as a fungicide. It is used in vineyards, fruit-farms, vegetable-farms and gardens to prevent infestations of downy mildew, powdery mildew and other fungi. It is sprayed on ...

  4. Downy mildew - Wikipedia

    en.wikipedia.org/wiki/Downy_mildew

    Downy mildew refers to any of several types of oomycete microbes that are obligate parasites of plants. Downy mildews exclusively belong to the Peronosporaceae family. In commercial agriculture , they are a particular problem for growers of crucifers , grapes and vegetables that grow on vines.

  5. List of grape diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_grape_diseases

    This is a list of diseases of grapes (Vitis spp ... Proceedings of the 5th International Workshop on Grapevine Downy and Powdery Mildew; virus diseases of the ...

  6. Fungicide use in the United States - Wikipedia

    en.wikipedia.org/wiki/Fungicide_use_in_the...

    Downy mildew is an extremely common disease of the lettuce plant. This is largely due to the disease's quick germination period—three hours—and the lettuce plant being susceptible at all growth stages. One study estimated that in untreated Florida fields 75% of lettuce was infected with downy mildew and considered unsalable. [113]

  7. Glossary of viticulture terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_viticulture_terms

    An organic fungicide composed of copper sulfate and calcium hydroxide (lime) and water that was invented in Bordeaux in the late 19th century as a treatment against powdery and downy mildew Botrytis cinerea See Noble rot. Bud The undeveloped, primordial grape shoot that is usually located along nodes of a cane. Bud scales

  8. Powdery mildew - Wikipedia

    en.wikipedia.org/wiki/Powdery_mildew

    Neem oil effectively manages powdery mildew on many plants by interfering with the fungus' metabolism and terminating spore production. [13] Sulfur and Fish Oil + Sesame Oil is a mixture effective against powdery mildew. [2] Milk has long been popular with home gardeners and small-scale organic growers as a treatment for powdery mildew. Milk is ...

  9. Viticulture - Wikipedia

    en.wikipedia.org/wiki/Viticulture

    Examples of downy and powdery mildew on a grape leaf Manual grape gathering A viticulturist faces many hazards that can have an adverse effect on the wine produced from the grape or kill the vine itself.

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