Tarragon rust
Fungus
Identification key : 
Rusts (fungi) (Damage and symptoms on the host)
Scientific name : Puccinia dracunculina
Other names : Puccinia dracunculina
Rust fungus specific to tarragon (Artemisia dracunculus). It forms dense light brown pustules mainly on the leaf underside, sometimes on the upper surface and stems, followed in late summer by dark brown telia; many leaves die before flowering. It has been documented, for example, in organic tarragon fields in Turkey in 2014.
Crops affected : Tarragon
Source : New Disease Reports 31, 28 (2015) — Puccinia dracunculina on tarragon in Turkey — Puccinia dracunculina on tarragon in Turkey
This page lists the bio-preparations in the collection that other references associate with this opportunist: Tarragon rust.
Warning: the associations between recipes and opportunists come from other references (traditional practices, publications, user feedback). They are neither a recommendation nor a claim of effectiveness. There is no certainty regarding the preparation, application and use of these bio-preparations. See the regulations
No published recipe is associated with this opportunist yet.