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2. Uncinula necator - Wikipedia

   en.wikipedia.org/wiki/Uncinula_necator

   The disease affects grapes worldwide, leaving all agricultural grape businesses at risk of Uncinula necator. Powdery mildew of grape affects the size of the vines, the total yield of fruit, as well as affecting the taste of wine produced from infected grapes. The disease can also cause the blossoms to fall and result in failure to produce fruit ...

3. 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 ...

4. Black rot (grape disease) - Wikipedia

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

   damages on leaves. Grape black rot is a fungal disease caused by an ascomycetous fungus, Guignardia bidwellii, that attacks grape vines during hot and humid weather. “Grape black rot originated in eastern North America, but now occurs in portions of Europe, South America, and Asia.

5. Why you should take steps if you see a grayish powder ... - AOL

   www.aol.com/news/why-steps-see-grayish-powder...

   That’s powdery mildew, a fungus that affects a wide range of fruits, vegetables and flowers, coating their leaves, stems, blossoms and, in severe cases, entire plants. It isn’t pretty.

6. How to protect grapevines from powdery mildew - AOL

   www.aol.com/news/protect-grapevines-powdery...

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7. 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 ... (Anthracnose) rot Botrytis or "Noble rot" Downy mildew Powdery mildew. Fungal diseases ...

8. 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 ...

9. Fungicide use in the United States - Wikipedia

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

   Powdery mildew causes a white powdery growth to cover the leaves of the hot pepper plant. These leaves may drop prematurely and as with bacterial spot can then cause sunscald. [110] This disease has been known to cause yield losses as high as 50–60% in untreated fields. [111] The prime fungicide used to control powdery mildew is myclobutanil.