Gymnosporangium clavariiforme ex Juniperus communis
Alendorf, NRW, Germany, 11.4.2026
#Phytopathology #FungiFriends #Rostpilz #Rustfungus
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Hashtag
#phytopathology
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Uromyces ficariae ex Ficaria verna
Hohenstein, Witten, NRW, Germany, 12.4.2026
#rustfungus #Rostpilz #Phytopathology #FungiFriends
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Uromyces scutellatus ex Euphorbia cyparissias
Lohrsdorf, RLP, Germany, 6.4.2026
#Rustfungus #Rostpilz #Phytopathology #FungiFriends
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Melanotaenium endogenum ex Galium mollugo agg.
Lohrsdorf, RLP, Germany, 6.4.2026
#Brandpilz #Smutfungus #Phytopathology #FungiFriends
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Peronospora corydalis ex Corydalis solida
Lohrsdorf, RLP, Germany, 6.4.2026
#Phytopathology #FungiFriends #FalscherMehltau #Downymildew
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Hyaloperonospora dentariae ex Cardamine bulbifera
NSG Landskrone, Lohrsdorf, RLP, Germany, 6.4.2026
#DownyMildew #FalscherMehltau #Phytopathology #FungiFriends
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Urocystis colchici ex Colchicum autumnale
Lohrsdorf, RLP, Germany, 6.4.2026
#Phytopathology #FungiFriends #Brandpilz #Smutfungus
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Entyloma corydali ex Corydalis solida
Lohrsdorf, RLP, Germany, 6.4.2026
#Brandpilz #Smutfungus #Phytopathology #FungiFriends
14
1
0
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Plasmoverna pygmaea ex Anemone nemorosa
Lohrsdorf, RLP, Germany, 6.4.2026
#Plasmovernapygmaea #Plasmoverna #FalscherMehltau #DownyMilew #FungiFriends #Phytopathology
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Puccinia mirabilissima ex Mahonia aquifolium
Lohrsdorf, RLP, Germany, 6.4.2026
#Phytopathology #Pucciniamirabilissima #Puccinia #Rostpilz #Rustfungus #FungiFriends
10
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Uromyces hyacinthi ex Hyacinthoides sp.
Palais Spee, Düsseldorf, NRW, Germany, 27.3.2026
#Rustfungus #Rostpilz #Phytopathology #FungiFriends
10
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Anthostoma decipiens ex Carpinus betulus
Ständehauspark, Düsseldorf, NRW, Germany, 27.3.2025
#Anthostoma #Carpinus #Phytopathology #FungiFriends
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Anthospora scillae ex Scilla siberica
Friedhof am Lindener Berge, Hannover, Niedersachsen, Germany, 28.3.2026
#Smutfungus #Brandpilz #Phytopathology #FungiFriends
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Melampsora helioscopiae ex Euphorbia helioscopia
Rheinwiesen Duisburg-Neuenkamp, NRW, Germany, 29.3.2026
#Rostpilz #Rustfungus #Phytopathology #FungiFriends
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Urocystis eranthidis ex Eranthis hyemalis
Palais Spee, Düsseldorf, NRW, Germany, 27.3.2026
#Smutfungus #Brandpilz #Phytopathology #FungiFriends
14
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Puccinia deutziae on bamboo
Liblar, NRW, Germany, 22.3.2026
#Puccinia #Pucciniadeutziae #Pucciniakusanoi #Bamboo #Phytopathology #FungiFriends
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Bartheletia paradoxa ex Ginkgo biloba
Westpark, Aachen, NRW, Germany, 21.3.2026
#Phytopathology #FungiFriends #Bartheletia #Bartheletiaparadoxa #Ginkgobiloba #Ginkgo
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Puccinia adoxae ex Adoxa moschatellina
Hohnbachtal, Kelmis, Belgium, 21.3.2026
#Rustfungus #Rostpilz #Phytopathology #FungiFriends
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Milesina murariae ex Asplenium ruta-murariae
Schanz, Aachen, NRW, Germany, 21.3.2026
#Rustfungus #Rostpilz #Phytopathology #FungiFriends
10
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Antherospora hortensis ex Muscari armeniacum
Südpark, Düsseldorf, NRW, Germany, 23.3.2026
#Brandpilz #SmutFungus #Phytopathology #FungiFriends
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Puccinia liliacearum ex Ornithogalum sp.
Westpark, Aachen, NRW, Germany, 21.3.2026
#FungiFriends #Phytopathology
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Septoria bellidis ex Bellis perennis
#Bellisperennis #Bellis #Gänseblümchen #Daisy #Pâquerette #pratolinacomune #margarita #Septoria #Septoriabellidis #phytopathology #mushroom #mushrooms #fungus #fungi #pilz #pilze #champignons #champignon #nature #natur #FungiFriends
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Entyloma bellidis ex Bellis perennis
#Bellisperennis #Bellis #Gänseblümchen #Daisy #Pâquerette #pratolinacomune #margarita #Entyloma #Entylomabellidis #Smutfungus #smut #phytopathology #mushroom #mushrooms #fungus #fungi #pilz #pilze #champignons #champignon #nature #natur #FungiFriends
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Puccinia lapsanae ex Lapsana communis
#Puccinialapsanae #Puccinia #Lapsanacommunis #Lapsana #Rainkohl #nipplewort #Lampsane #lassanagrespignolo #Rustfungus #Rostpilz #Phytopathology #mushroom #mushrooms #fungus #fungi #pilz #pilze #champignons #champignon #nature #natur #FungiFriends
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Uromyces acutatus ex Gagea villosa
#Gageavillosa #Gagea #AckerGelbstern #Gagéedeschamps #hairystarofBethlehem #Uromycesacutatus #Uromyces #mushroom #mushrooms #fungus #fungi #pilz #pilze #champignons #champignon #nature #natur #FungiFriends #Rustfungus #Rostpilz #Phytopathology
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Phragmidium sanguisorbae ex Sanguisorba minor
#Phragmidiumsanguisorbae #Phragmidium #Sanguisorbaminor #KleinerWiesenknopf #saladburnet #Pimprenelle #Rost #Rostpilz #rust #rustfungus #mushroom #mushrooms #fungus #fungi #pilz #pilze #champignon #nature #natur #Phytopathology #FungiFriends
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Research Fellowship Opportunity – EU BiomeHealth Project
> @laqv-requimte.bsky.social (Porto, PT) & Wageningen University & Research (NL).
>Research topic: Phytopathogens' Diagnosis & biological control.
- open until 12 March 2026
EURAXESS:
euraxess.ec.europa.eu/jobs/413703
#Phytopathology
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Fig. 2. Xylem colonization of CML333 plants with green fluorescent protein-expressing Xanthomonas vasicola pv. vasculorum. A, Spray-inoculated leaf at 14 days postinoculation (dpi) showing vein colonization along the tip and edges of the leaf. B, Spray-inoculated 7 dpi leaf edge vein. C, Stem-wound-inoculated leaf at 14 dpi showing multiple veins colonized. D, Leaf vein cross-section at 7 dpi of leaf-cut-inoculated leaf. Both the protoxylem and metaxylem were colonized. E, Bacteria streaming from infected vein at 7 dpi from leaf-cut-inoculated leaf. Arrows: xy, xylem; v, vein.
“Vascular Pathogenicity of Xanthomonas vasicola pv. vasculorum in Maize Is Modulated by Tissue-Specific Host Resistance,” by Alexander Mullens et al. Read the article in #Phytopathology to learn more: https://doi.org/10.1094/PHYTO-05-25-0164-R
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FIGURE 1 Chemotaxis in Xanthomonas: Chemo-attractants and repellents present in the micro-environment of host exudates bind to the chemoreceptors (Mcp) present in the inner membrane of Xanthomonas. Based on binding, CheA is recruited by CheW and auto-phosphorylation happens. CheR and CheB drive methylation and demethylation events, respectively. CheY and CheB are phosphorylated as response regulators. Phosphorylated CheY regulates flagella-mediated clockwise rotation (CR). Phosphorylated CheB turns off kinase activity of CheA through demethylation, inhibits phosphorylation of CheY, and regulates flagella-mediated counterclockwise rotation (CCR).
Arkaprabha China et al. discuss recent advances in understanding how #Xanthomonas integrates environmental and host-derived signals to regulate its pathogenicity. Read the open access review in #Phytopathology: https://doi.org/10.1094/PHYTO-05-25-0183-RVW
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Fig. 1. Directed acyclic graph (DAG) representing causal paths for powdery mildew and management costs. Arrows are edges that indicate postulated causal relationships between variables. Red arrows indicate edges that are assumed always to be present based on prior knowledge. Variables are described in the text and Table 1. Colors indicate exogenous variables (gold), disease incidence (gray), spray date (blue), type of fungicide use (green), and annual costs (orange).
#Phytopathology Editor’s Pick: “How Do Growers Respond to Host Resistance? A Conditional Gaussian Bayesian Network for Causal Inference of Fungicide Cost Savings,” by Jae Young Hwang et al. Learn more: https://doi.org/10.1094/PHYTO-06-25-0199-R
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