page_title: Phytophthora fragariae
hierarchical_section_title: Phytophthora fragariae
caption_attribution_description: English: Raspberry plants showing symptoms of Phytophthora root and crown rot.
context_page_description: Phytophthora fragariae is a fungus-like plant pathogen that causes red stele, otherwise known as Lanarkshire disease, in strawberries and raspberries. Symptoms of red stele can include a red core in the roots, wilting of leaves, reduced flowering, stunting, and bitter fruit. The pathogen is spread via zoospores swimming through water present in the soil, released from sporangia.
context_section_description: Phytophthora fragariae is a fungus-like (oomycete) plant pathogen that causes red stele, otherwise known as Lanarkshire disease, in strawberries and raspberries.  Symptoms of red stele can include a red core in the roots, wilting of leaves, reduced flowering, stunting, and bitter fruit. The pathogen is spread via zoospores swimming through water present in the soil, released from sporangia.
caption: Raspberry plants infected with and showing symptoms of Phytophthora root rot.
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