Fir – Rhizosphaera Needle Cast

Rhizosphaera pini Fir – Rhizosphaera Needle Cast Signs & Symptoms

: Symptoms

: Pycnidia bursting from stomata

Fir – Rhizosphaera Needle Cast Pathogen

: Conidium

: Conidiophores and conidia

: Pycnidium cross section

: Pycnidium cross section

: Pycnidium cross section

: Vertical section of pycnidium emerging from stoma

: Conidia and conidiophores

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