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2. Podosphaera pannosa - Wikipedia

   en.wikipedia.org/wiki/Podosphaera_pannosa

   Rose powdery mildew [also known as 'Weeping Mildred'] is caused by the fungus Podosphaera pannosa, a member of the Ascomycete fungi.It infects a wide variety of roses, but especially those grown in dryer climates as the fungus has the rare characteristic that not only does it not need water to germinate and reproduce, it can be inhibited by it.

3. Podosphaera leucotricha - Wikipedia

   en.wikipedia.org/wiki/Podosphaera_leucotricha

   In organic orchards, control is based on a combination of cultural levels and fungicide use where possible, but sulphur is the only fungicide active against powdery mildew permitted for use in organic production. [4] Cultural levels are based on removal of primary inoculum by pruning. In winter, prune out silvered shoots.

4. Erysiphe cruciferarum - Wikipedia

   en.wikipedia.org/wiki/Erysiphe_cruciferarum

   Specifically, powdery mildew functions by decreasing the fruit production of plants. The ascospores survive on leaf material and cause it to fall onto the ground. Certain biological fungicides, such as Serenade or sulfur products, can be used on plants to inhibit powdery mildew infection. [citation needed]

5. 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.

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. 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

8. Leveillula taurica - Wikipedia

   en.wikipedia.org/wiki/Leveillula_taurica

   Onions with adequate moisture will be more resistant to the pathogen, and onion crops with overhead irrigation rarely see powdery mildew development in the field. [9] The fungicide Cabrio (produced by BASF Chemical) is labeled for the control of L. taurica on onions, but the disease rarely progresses enough to justify the use of a fungicide ...

9. Ampelomyces quisqualis - Wikipedia

   en.wikipedia.org/wiki/Ampelomyces_quisqualis

   Ampelomyces quisqualis is a mycoparasite of powdery mildews. It overwinters or survives in the absence of a suitable host as pycnidia. Raindrops cause conidia to be expelled from ripe pycnidia and these may splash onto nearby powdery mildew. Infection is favoured by humid conditions and temperatures in the range 20 to 30 °C (68 to 86 °F) and ...