Sara May, The Pennsylvania State University (NEPDN), Swarnalatha Moparthi, North Carolina State University (SPDN), and Samantha Fieweger, Wisconsin Department of Agriculture, Trade, and Consumer Protection (NCPDN)
The Communicator: Volume 5, Issue 6, June 2024


Pathogens

Development and validation of a multiplex TaqMan probe qPCR assay specific for three rust fungi infecting Meliosma myriantha https://doi.org/10.1094/PDIS-07-23-1436-SR

Development of loop-mediated isothermal amplification assays for the rapid and accurate diagnosis of Exserohilum turcicum for field applications https://doi.org/10.1094/PDIS-10-23-2101-SR 

Economic and social impact of Huanglongbing on the Mexico citrus industry: A review and future perspectives https://doi.org/10.3390/horticulturae10050481  

Identifying onion fields at risk of iris yellow spot virus in New York https://doi.org/10.1094/PDIS-10-23-2097-RE

Detection of Podosphaera macularis in air samples by quantitative PCR https://doi.org/10.1094/PDIS-04-24-0894-RE  

 

Methods and protocols

Development of a one-step multiplex reverse transcription-polymerase chain reaction and Luminex xTAG assay for the simultaneous detection of yellowing viruses infecting sugar beet https://doi.org/10.1111/ppa.13911

All-in-one Xylella detection and identification: A nanopore sequencing-compatible conventional PCR https://doi.org/10.1111/ppa.13877

Development of a multiplex PCR for the specific detection of phytoplasma subgroups 16SrIX-B and 16SrIX-C https://doi.org/10.1094/PHP-05-23-0042-SC

A multilocus sequence tying scheme for rapid identification of Xanthomonas citri based on whole genome sequencing data https://doi.org/10.1094/PHYTO-12-23-0490-R

A quantitative real-time PCR method to detect the quinoa downy mildew pathogen, Peronospora variabilis https://doi.org/10.1094/PDIS-11-23-2308-RE

Identification and characterization of Colletotrichum species associated with anthracnose disease of plum https://doi.org/10.1094/PDIS-02-24-0424-RE

A loop-mediated isothermal amplification (LAMP) assay for the detection of Bremia lactucae in the field https://doi.org/10.1094/PDIS-10-23-2001-RE
 

Notable First Reports


Herbaceous ornamentals and turfgrass:
Contribution from an NPDN memberFirst report of a ‘Candidatus Phytoplasma sacchari’-related strain associated with yellowing and decline of silver bluestem in Texas, U.S.A. https://doi.org/10.1094/PDIS-03-24-0524-PDN

Woody ornamentals and forests: 
First report of Phytopythium litorale causing root rot on Kousa dogwood in Tennessee and the United States https://doi.org/10.1094/PDIS-03-24-0616-PDN

Vegetables, herbs and table beet: 
First report of watermelon crinkle leaf-associated virus-2 (WCLaV-2) in watermelon (Citrullus lanatus) in Georgia, USA https://doi.org/10.1094/PDIS-01-24-0161-PDN
First report of Colletotrichum scovillei causing anthracnose fruit rot of pepper in Ohio https://doi.org/10.1094/PDIS-04-24-0778-PDN
First report of Xanthomonas perforans causing bacterial spot of pepper (Capsicum annuum) in North Carolina https://doi.org/10.1094/PDIS-02-24-0444-PDN
Contribution from an NPDN memberFirst report of melon severe mosaic orthotospovirus infecting cucurbits in the United States https://doi.org/10.1094/PDIS-02-24-0378-PDN First global report of Hyaloperonospora brassicae in commercial broccoli and cabbage microgreens https://doi.org/10.1094/PDIS-01-24-0266-PDN

Tree fruit and small fruit: berries, nuts, stone and pome fruit: 
First report of root rot of strawberry caused by Fusarium cugenangense, a member of the F. oxysporum species complex, in Tennessee, USA https://doi.org/10.1094/PDIS-01-24-0062-PDN
First report of Neopestalotiopsis spp. causing leaf spot and petiole blight on strawberry in New England https://doi.org/10.1094/PDIS-04-24-0893-PDN
 

Peer review highlights


Molecular methods for the simultaneous detection of tomato fruit blotch virus and identification of tomato russet mite, a new potential virus–vector system threatening solanaceous crops worldwide https://doi.org/10.3390/v16050806  
Real-time PCR (qtPCR) to discover the fate of plant growth-promoting rhizobacteria (PGPR) in agricultural soils https://doi.org/10.3390/microorganisms12051002  
Identification and pathogenicity of pestalotioid species on Alpinia oxyphylla in Hainan Province, China https://doi.org/10.3390/jof10060371 
Integration of image and sensor data for improved disease detection in peach trees using deep learning techniques https://doi.org/10.3390/agriculture14060797 
Coinfection of cotton plants with cotton leafroll dwarf virus-atypical and a novel cotton begomovirus https://doi.org/10.1111/ppa.13934  
Leaf fermentation products of Allium sativum L. can alleviate apple replant disease (ARD) https://doi.org/10.3390/horticulturae10060546
Potential of nettle infusion to protect common bean from halo blight disease  https://doi.org/10.3390/horticulturae10060536 
Plant immunity: At the crossroads of pathogen perception and defense response https://doi.org/10.3390/plants13111434


Extension


An overview of Phytophthora root and stem rot https://doi.org/10.31274/cpn-20240503-0
Coleus downy mildew is out and about https://www.e-gro.org/pdf/2024-13-23.pdf