Contact Sara May (srm183@psu.edu) and Lina Rodriguez Salamanca (linar@vt.edu) for suggestions to include.
Authored by NPDN members
Diagnostic guides
Diagnostic guide for Alternaria leaf spot on sugar beet, red beet, and chard https://doi.org/10.1094/PHP-03-22-0025-DG
Soybean cyst nematode of soybean: A diagnostic guide https://doi.org/10.1094/PHP-11-21-0138-DG
Pathogens
The quest to identify a new virus disease of sunflower from Nebraska
https://doi.org/10.1094/PDIS-11-21-2402-FE
Cool temperatures favor growth of Oregon isolates of Calonectria pseudonaviculata and increase severity of boxwood blight on two Buxus cultivars https://doi.org/10.1094/PDIS-04-22-0769-RE
Anastomosis groups of Rhizoctonia solani and binucleate Rhizoctonia associated with potatoes in Idaho https://doi.org/10.1094/PDIS-12-21-2683-RE
Identification, characterization, and detection of a novel strawberry Cytorhabdovirus
https://doi.org/10.1094/PDIS-11-21-2449-SC
Taxonomic reclassification of the fungal pathogen causing dry berry disease of caneberries into the division Ascomycota as Monilinia rubi https://doi.org/10.1094/PDIS-11-21-2618-SR
Methods and Protocols
Point-of-care DNA amplification for disease diagnosis and management https://doi.org/10.1146/annurev-phyto-021621-115027
LAMP for in-field quantitative assessments of airborne grapevine downy mildew inoculum
https://doi.org/10.1111/jam.15762
Triplex immunostrip assay for rapid diagnosis of tobacco mosaic virus, tobacco vein banding mosaic virus, and potato virus Y https://doi.org/10.1094/PDIS-08-21-1756-RE
An improved recombinase polymerase amplification coupled with lateral flow assay for rapid field detection of ‘Candidatus Liberibacter asiaticus’ https://doi.org/10.1094/PDIS-09-21-2098-RE
Species-specific detection and quantification of Erwinia pyrifoliae in plants by a direct SYBR Green quantitative real-time PCR assay https://doi.org/10.1094/PHYTOFR-09-21-0069-R
Development and validation of e-probes with MiFi® system for detection of Ralstonia solanacearum species complex in blueberries https://doi.org/10.1094/PHYTOFR-04-22-0043-FI
High-sensitivity ITS real-time PCR assays for detection of Ceratocystis lukuohia and Ceratocystis huliohia in soil and air samples https://doi.org/10.1094/PHYTOFR-09-22-0091-FI
Notable First Reports
Herbaceous Ornamentals
First report of Colletotrichum sansevieriae causing anthracnose of snake plant (Dracaena trifasciata) in Ohio and its draft genome https://doi.org/10.1094/PDIS-10-22-2476-PDN
Puccinia coronata var. coronata, a crown rust pathogen of two highly invasive species, is detected across the Midwest and Northeastern United States https://doi.org/10.1094/PDIS-07-22-1711-RE
First report of Alternaria cinerariae causing leaf blight on Farfugium japonicum in South Carolina, USA https://doi.org/10.1094/PDIS-09-22-2221-PDN
First report of Pyricularia oryzae causing gray leaf spot of perennial ryegrass (Lolium perenne L.) in Oregon https://doi.org/10.1094/PHP-11-22-0119-BR
Woody Ornamentals
First report of the Armillaria root disease pathogen, Armillaria solidipes, on black oak (Quercus velutina) in North Carolina, USA https://doi.org/10.1094/PDIS-11-22-2689-PDN
First report of Pseudomonas syringae causing bacterial leaf spot on winterberry holly (Ilex verticillata) in Ohio https://doi.org/10.1094/PDIS-08-22-1879-PDN
First report of the beech leaf disease nematode Litylenchus crenatae mccannii (Nematoda: Anguinidae) in Michigan https://doi.org/10.1094/PDIS-10-22-2468-PDN
First Report of Laurel Wilt Caused by Harringtonia lauricola (previously Raffaelea lauricola) on Northern Spicebush in Kentucky and Tennessee https://doi.org/10.1094/PDIS-04-22-0868-PDN
First report of plumeria mosaic virus infecting Plumeria spp. in the United States https://doi.org/10.1094/PDIS-09-22-2019-PDN
Confirmation of powdery mildew caused by Podosphaera pannosa on Rosa canina in North America https://doi.org/10.1007/s13314-022-00487-7
First Report of Phytophthora nicotianae causing leaf necrosis on Magnolia ‘Butterflies’ in a Virginia ornamental plant nursery https://doi.org/10.1094/PHP-10-22-0114-BR
First report of smoketree rust, caused by Pileolaria cotini-coggygriae, in the Midwest USA https://doi.org/10.1094/PHP-08-22-0080-BR
Detection of Seiridium cardinale causing bark cankers on Leyland Cypress (x Cupressocyparis leylandii) in Arizona https://doi.org/10.1094/PHP-04-22-0039-BR
Vegetables and Herbs
First report of a rust fungus (Puccinia sp.) infecting lemongrass in Minnesota https://doi.org/10.1094/PDIS-10-22-2314-PDN
First report of rusty root of Panax quinquefolius caused by Pseudomonas marginalis in Tennessee and the United States https://doi.org/10.1094/PDIS-11-22-2563-PDN
First report of resistance-breaking variants of tomato spotted wilt virus (TSWV) infecting tomatoes with the Sw-5 tospovirus-resistance gene in North Carolina https://doi.org/10.1094/PDIS-11-22-2637-PDN
First report of Bipolaris sorokiniana leaf spot disease on watermelon (Citrullus lanatus) in Florida https://doi.org/10.1094/PDIS-09-22-2208-PDN
First report of a resistance-breaking strain of tomato spotted wilt orthotospovirus infecting Capsicum annuum with the Tsw resistance gene in Texas https://doi.org/10.1094/PDIS-09-22-2274-PDN
First report of powdery mildew of American ginseng caused by Erysiphe heraclei in Tennessee and the United States https://doi.org/10.1094/PDIS-10-22-2310-PDN
First report of tomato bushy stunt virus naturally infecting sugar beet in the United States https://doi.org/10.1094/PDIS-11-22-2530-PDN
First report of Geotrichum candidum causing rubbery rot of potato (Solanum tuberosum) in Michigan https://doi.org/10.1094/PDIS-04-22-0916-PDN
Tree Fruit and Small Fruit
First report of bacterial wilt disease caused by Ralstonia solanacearum on southern highbush blueberries (Vaccinium corymbosum interspecific hybrids) in Georgia U.S.A. https://doi.org/10.1094/PDIS-07-22-1645-PDN
First Report of tobacco ringspot virus infecting pawpaw orchard (Asimina triloba (L.) Dunal) in North America https://doi.org/10.1094/PDIS-11-22-2639-PDN
First report of Neofusicoccum ribis causing stem blight and dieback of blueberry (Vaccinium corymbosum) in Michigan https://doi.org/10.1094/PDIS-07-22-1519-PDN
First report of Fusarium avenaceum causing postharvest decay of European pear in Mid-Atlantic United States https://doi.org/10.1094/PDIS-08-22-1784-PDN
Occurrence of brown rot of wild plum caused by Monilinia fructicola in Missouri https://doi.org/10.1094/PHP-07-22-0061-BR
Occurrence of grapevine red blotch virus in wine grapes in Arizona https://doi.org/10.1094/PHP-03-22-0030-BR
Field Crops and Cannabis
Curly top disease of hemp (Cannabis sativa) in California is caused by mild-type strains of beet curly top virus often in mixed infection https://doi.org/10.1094/PDIS-04-22-0856-SC
First report of Pucciniastrum boehmeriae in North America, causing rust disease in bog hemp https://doi.org/10.1094/PHP-02-22-0016-BR
First report of rice bacterial leaf blight disease caused by Pantoea ananatis in the United States https://doi.org/10.1094/PDIS-08-22-2014-PDN
First report of Curvularia leaf spot on Zea mays caused by Curvularia lunata in North Carolina https://doi.org/10.1094/PDIS-10-22-2306-PDN
First report of pothos latent virus infecting upland cotton (Gossypium hirsutum) in the United States https://doi.org/10.1094/PDIS-10-22-2325-PDN
A vascular wilt disease caused by a new bacterial pathogen of guar belonging to the genus Pantoea identified in Texas https://doi.org/10.1094/PHYTOFR-07-22-0081-SC
First Report of Downy Mildew caused by Pseudoperonospora cannabina on Cannabis sativa in New York https://doi.org/10.1094/PDIS-08-22-1930-PDN
Peer Review Highlights
Perspective: State of the field of plant-pathogen diagnostic assay development and validation
https://doi.org/10.1094/PHYTOFR-05-22-0054-FI
Development and statistical validation of e-probe diagnostic nucleic acid analysis (EDNA) detection assays for the detection of citrus pathogens from raw high throughput sequencing data https://doi.org/10.1094/PHYTOFR-05-22-0047-FI
Detection of Phytophthora, Pythium, Globisporangium, Hyaloperonospora and Plasmopara species in high-throughput sequencing data by in silico and in vitro analysis using Microbe Finder (MiFi®)https://doi.org/10.1094/PHYTOFR-04-22-0039-FI
Extension
Stachys byzantina: Sclerotinia (White Mold) https://e-gro.org/pdf/2023-12-5.pdf
Rudbeckia: Sclerotinia (White Mold ) https://e-gro.org/pdf/2023-12-4.pdf
