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2. List of hemp diseases - Wikipedia

   en.wikipedia.org/wiki/List_of_hemp_diseases

   Powdery mildew (of Cannabis) Leveillula taurica Oidiopsis taurica [anamorph] Podosphaera macularis = Sphaerotheca humuli = Sphaerotheca macularis. Oidium sp. [anamorph] Golovinomyces cichoracearum sensu lato Golovinomyces ambrosiae. Red boot Melanospora cannabis (secondary on hemp canker) Rhizoctonia soreshin and root rot Rhizoctonia solani: Rust

3. Podosphaera fuliginea - Wikipedia

   en.wikipedia.org/wiki/Podosphaera_fuliginea

   Podosphaera fuliginea (also known as Podosphaera xanthii) is a plant pathogen that causes powdery mildew on cucurbits. Podosphaera fuliginea and Erysiphe cichoracearum are the two most commonly recorded fungi causing cucurbit powdery mildew.

4. 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 ...

5. 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 ...

6. Podosphaera macularis - Wikipedia

   en.wikipedia.org/wiki/Podosphaera_macularis

   The pathogen that causes powdery mildew of hops was once considered to be Sphaerotheca macularis, which is capable of infecting many plants; however, in recent years, the pathogen that causes powdery mildew of hops has been taxonomically classified as Podosphaera macularis. [1]

7. Powdery mildew is a fungal disease common on peonies ... - AOL

   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 ...

8. 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).

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.