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2. Powdery mildew - Wikipedia

   en.wikipedia.org/wiki/Powdery_mildew

   Powdery mildew is a fungal disease that affects a wide range of plants. Powdery mildew diseases are caused by many different species of ascomycete fungi in the order Erysiphales . Powdery mildew is one of the easier plant diseases to identify, as the signs of the causal pathogen are quite distinctive.

3. Golovinomyces orontii - Wikipedia

   en.wikipedia.org/wiki/Golovinomyces_orontii

   The control of Golovinomyces orontii and powdery mildew diseases generally involves a combination of chemical and nonchemical strategies. Nonchemical strategies include; proper plant spacing, pruning and removing infected plant parts, avoiding overhead irrigation, improving ventilation, and crop rotation. Natural Fungicides [16] by be used as well.

4. Oidium mangiferae - Wikipedia

   en.wikipedia.org/wiki/Oidium_mangiferae

   Disease development is inversely proportional to the number of hours of sunshine per day, and moderate to high relative humidity also plays a role in the severity of infections. [2] Powdery mildew infections show a characteristic white or gray powdery growth on various plant surfaces, including leaves, flower scales, buds, axils, stalks, and ...

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. Powdery mildew is a fungal disease common on peonies, other ...

   www.aol.com/news/powdery-mildew-fungal-disease...

   — Sylvia Mendoza, Highwood The problem with your peonies is most likely powdery mildew, which is caused by a fungus. Onset generally appears between late June and ... Powdery mildew is a fungal ...

7. 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.