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2. 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 ...

3. Ampelomyces quisqualis - Wikipedia

   en.wikipedia.org/wiki/Ampelomyces_quisqualis

   Ampelomyces quisqualis is an anamorphic fungus that is a hyperparasite of powdery mildews.This parasitism reduces growth and may eventually kill the mildew. These mycoparasites can live up to 21 days on mildew-free host plant surfaces, attacking powdery mildew structures as soon as they appear. [4]

4. 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.

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. Bordeaux mixture - Wikipedia

   en.wikipedia.org/wiki/Bordeaux_mixture

   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 plants as a preventive treatment; its mode of action is ineffective after a fungus has become established. It was invented in the Bordeaux region of France in the late 19th century

7. Erysiphales - Wikipedia

   en.wikipedia.org/wiki/Erysiphales

   In most powdery mildews only the epidermal cells are attacked. The external mycelium gives rise to short, erect conidiophores, each of which bears a single row of barrel-shaped spores, the youngest being at the base (the affected parts become thus covered with a forest of conidiophores assuming a white powdery appearance). The ripe spores ...