Plant Pathogen

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wtxch: Silver leaf is a fungal disease of trees caused by the fungus plant pathogen Chondrostereum p

Tranzschelia fusca rust fungus producing teliospores on wood anemone (Anemone nemorosa).

A leaf spot disease on common aspen leaves (Populus tremula).

Plenty of conidiospores of powdery mildew fungus (Podosphaera leucotricha) on an apple tree (Malus s

Polystigma rubrum -fungus causing yellowish-brown lesions on plum tree leaves (Prunus domestica).

Puccinia caricina -rust fungus on common nettle (Urtica dioica). The fungus produces aeciospores on

My workmate brought me these diseased Passiflora caerulea -leaf samples. The fungus causing the powd

The dead caraway stem (Carum carvi) and plenty of pycnidia of Phoma exigua fungus.

Gymnosporangium clavariiforme -rust fungus causing disease on juniper (Juniperus communis). Teliospo

Erysiphe symphoricarpi -powdery mildew fungus infecting western snowberry (Symphoricarpos occidental

Root rot causing fungus (Armillaria mellea -group) producing rhizomorps on Norway spruce (Picea abie

Mossy maze polypores (Cerrena unicolor) growing on fallen birch trees (Betula sp.).

Leaf spot disease symptoms on Fiber Hemp (Cannabis sativa).

Powdery mildew fungus (Phyllactinia fraxini) producing chasmothecia on European ash (Fraxinus excelc

Rhytisma salicinum -fungus causes willow tar spot symptoms on Salix plants.

Shot hole disease (Stigmina carpophila -fungus) symptoms on plum leaves (Prunus domes

Puccinia urticata on Urtica dioicaIt’s hard to walk by banks covered in common nettle without notici

biodiverseed:Pocket Plum GallCaused by the fungus Taphrina pruni, this disease infects plums, sloe,

Puccinia urticata on Urtica dioicaIt’s hard to walk by banks covered in common nettle without

Late November - Hemlock with mild Adelgid InfectionUGH. So. These Hemlock woolly adelgid (Adelg

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