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Diseases

Powdery mildew of mullein

Verbascum L.

A fungal disease of plants of the genus Verbascum, caused by the specialized pathogens Golovinomyces verbasci and Golovinomyces cichoracearum.

In the reference 4 varieties crop Mullein, where this is mentioned in the description.

The causal agents of powdery mildew on mullein belong to the order Erysiphales. The primary pathogen infecting various species, including Verbascum thapsus, is Golovinomyces verbasci. Additionally, the species Golovinomyces cichoracearum has been noted as a causal agent on species such as Verbascum blattaria.

Symptoms manifest as a characteristic white powdery coating, consisting of mycelium and conidia, which covers the surface of leaves, stems, petioles, and floral sepals. As the disease progresses, affected leaves turn yellow and wither prematurely, leading to overall plant stunting.

General information about the subject — on the page Powdery mildew.

Sources8

Varieties of Mullein mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Verbascum L. · Mullein

Korlipara Harini|Canby, OR, US

3 records

Verbascum L. · Mullein

Korlipara Harini|Canby, OR, US

2 records

Gold Nugget

Application submitted

Verbascum L. · Mullein

Korlipara Harini|Canby, OR, US

2 records

Royalty

Application submitted

Verbascum L. · Mullein

Korlipara Harini|Canby, OR, US

2 records