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    Foliage Diseases (3)
    Root Rot (3)
    Root and Butt / Root and Stem Diseases (2)
    Stem Decays and Cankers (2)

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    Peronosporaceae (7)
    Pythiaceae (1)

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    Symptoms (37)
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Peronosporales

Kingdom: Chromista
Phylum: Oomycota
Class: Oomycetes
Order: Peronosporales
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43 Images of 8 Subjects View Subject List View Image Details View Thumbnails

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Subject Scientific Name Images
blue mold Peronospora tabacina 3
downy mildew Peronospora arthurii 1
downy mildew of potentilla Peronospora potentillae 4
Phytophthora blight Phytophthora nicotianae 20
Phytophthora root and crown rots Phytophthora spp. 3
Phytophthora root and stem rot Phytophthora megasperma 2
Phytophthora root rot Phytophthora cactorum 2
Pythium diseases Pythium spp. 8

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