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Oomycetes cause devastating diseases on a wide variety of plant species leading to yield losses in agriculture and forestry, and damage to natural ecosystems. Their lifestyles range from necrotrophic with wide host ranges to biotrophic and highly specialized on one or a few hosts. They share a preference for humid environments.
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Fungal Effectors in Biotrophic, Necrotrophic and Hemibiotrophic Pathosystems: A Systematic Review
Plant Pathology, Volume 75, Issue 1, January/February 2026.This study compares the mechanisms of action of effectors across different fungal lifestyles. Biotrophs secrete effectors that suppress plant defences, necrotrophs release effectors that induce cell death by activating defence responses, and hemibiotrophs combine both strategies.
Taís Araújo Santos +3 more
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Scanning Electron Microscopy (SEM) Protocols for Problematic Plant, Oomycete, and Fungal Samples [PDF]
, 2017 M. A. Bello +4 more
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New Mechanisms of Resistance to CAA and OSBPI Fungicides in Phytophthora infestans
Plant Pathology, Volume 75, Issue 1, January/February 2026.This study presents the first report of the mechanism behind mandipropamid resistance in Phytophthora infestans, the newly discovered presence of combined resistance to CAAs and OXTP in potato fields and recommendations for revised fungicide management strategies for potato late blight control. ABSTRACT Field observations from Denmark in 2021 suggested
Stefano F. F. Torriani +8 more
wiley +1 more source
Plant Pathology, Volume 75, Issue 1, January/February 2026.We examined Aphanomyces root rot resistance in pea accession No. 9292 and identified a major locus on chromosome 4 conferring resistance to two Canadian isolates of Aphanomyces euteiches. This locus represents a valuable target for breeding pea cultivars with durable resistance, particularly for production in western Canada.
Krishna Kishore Gali +3 more
wiley +1 more source
Soil Chemistry and Soil History Significantly Structure Oomycete Communities in Brassicaceae Crop Rotations [PDF]
, 2023 Andrew J.C. Blakney +3 more
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Pea‐Saving Partners: Bacillus and Pseudomonas Combat Downy Mildew in Pea Crops
Plant Pathology, Volume 75, Issue 1, January/February 2026.Strains of Bacillus velezensis or Pseudomonas fluorescens or their filtrates showed potential as biopesticides against the pea downy mildew pathogen Peronospora viciae f. sp. pisi in vitro and in planta with a synergistic effect for the dual foliar and drench application.
Emeka Chibuzor Okechukwu +10 more
wiley +1 more source
Lab-on-a-chip Platforms for Single Zoospore, Fungal and Oomycete Studies
, 2021 Yaqin Sun +3 more
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Fishing for Estuarine Oomycetes
DiversityOomycetes are water molds that are frequently isolated during a survey of waterways. Biodiversity of oomycetes in the estuary region of the Veleka River in Bulgaria was investigated in 2021. A total number of 32 isolates were derived using the baiting method.
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