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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. Infected plants display white powdery spots ...

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

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

   Powdery mildew usually appears in spring or early summer. Although it thrives in warm, humid conditions, it is also found in cooler climates. Easy, non-chemical practices can go a long way toward ...

4. Uncinula necator - Wikipedia

   en.wikipedia.org/wiki/Uncinula_necator

   Powdery mildews are generally host-specific, and powdery mildew of grape is caused by a host-specific pathogen named Uncinula necator. Powdery mildew is a polycylic disease that thrives in warm, moist environments. Its symptoms are widely recognizable and include gray-white fungal growth on the surface of infected plants.

5. Erysiphe cruciferarum - Wikipedia

   en.wikipedia.org/wiki/Erysiphe_cruciferarum

   Erysiphe cruciferarum is a fungal pathogen that belongs to the phylum Ascomycota. The pathogen overwinters in survival structures known as ascospores. The powdery mildew initially appears as white, powdery spots formed on leaf surfaces, shoots, and sometimes flowers or fruits.

6. Erysiphales - Wikipedia

   en.wikipedia.org/wiki/Erysiphales

   Erysiphales are obligate parasites on leaves and fruits of higher plants, causing diseases called powdery mildews. Most attempts to grow them in culture have failed. [citation needed] Erysiphales have a nearly cosmopolitan distribution, [3] and have developed fungicide resistance just as widely. [4] Total loss of function has resulted in some ...

7. Mildew - Wikipedia

   en.wikipedia.org/wiki/Mildew

   Mildew is a form of fungus. It is distinguished from its closely related counterpart, mold , largely by its colour: molds appear in shades of black, blue, red, and green, whereas mildew is white. It appears as a thin, superficial growth consisting of minute hyphae ( fungal filaments) produced especially on living plants or organic matter such ...