File:Late_blight_on_potato_leaf_2.jpg · Wikimedia Commons · See Wikimedia Commons
Phytophthora infestans
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Species
Phytophthora infestans
SPECIES
- KingdomChromista
- PhylumOomycota
- ClassPeronosporea
- OrderPeronosporales
- FamilyPeronosporaceae
Phytophthora infestans Le mildiou de la pomme de terre est une maladie cryptogamique causée par un oomycète de la famille des Pythiaceae, Phytophthora infestans, micro-organisme eucaryote longtemps considéré comme un champignon. Répandue dans le monde entier, cette maladie est le principal ennemi des cultures de pommes de terre, et fut responsable de la grande famine européenne des années 1840 qui frappa particulièrement l'Irlande et la région écossaise des Highlands. Cette espèce affecte également les cultures de tomates et d'autres Solanaceae.
via GBIF
Museum specimens
- Specimen records
- 1,029
- With media
- 437
- Family
- Sclerotiniaceae
- Collections
- CUP, NCU, FLAS, LSUM, ILLS, BPI
- Recorded in
- United States, Switzerland
Research
2,113 papers- How Does Phytophthora infestans Evade Control Efforts? Modern Insight Into the Late Blight Disease.Phytopathology · 2018
- Phytophthora infestans: New Tools (and Old Ones) Lead to New Understanding and Precision Management.Annual review of phytopathology · 2016
- PiRV-2 stimulates sporulation in Phytophthora infestans.Virus research · 2019
- Phytophthora infestans RXLR effectors target vesicle trafficking.The Plant cell · 2021
- Phytophthora infestans Ago1-associated miRNA promotes potato late blight disease.The New phytologist · 2022
via PubMed
~32 min read
Encyclopedic overview
Phytophthora infestans is an oomycete or water mold, a fungus-like microorganism (oomycete) that causes the serious potato and tomato disease known as late blight or potato blight. Early blight, caused by Alternaria solani, is also often called "potato blight". Late blight was a major culprit in the 1840s European, the 1845–1852 Irish, and the 1846 Highland potato famines. The organism can also infect some other members of the Solanaceae. The pathogen is favored by moist, cool environments: sporulation is optimal at 12–18 °C (54–64 °F) in water-saturated or nearly saturated environments, and zoospore production is favored at temperatures below 15 °C (59 °F). Lesion growth rates are typically optimal at a slightly warmer temperature range of 20 to 24 °C (68 to 75 °F).
Etymology
Excerpted from Wikipedia’s “Phytophthora infestans” article, available under the CC BY-SA 4.0 licence.