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Diagnostic Guides&

A diagnostic guide for Volutella blight affecting Buxaceae

Strawberry green petal disease: A diagnostic guide


Stemphylium leaf blight: A Re-emerging threat to onion production in eastern North America

First expansion of the public Tomato brown rugose fruit virus (ToBRFV) Nextstrain build; inclusion of new genomic and epidemiological data

Pseudomonas alliivorans sp. nov., a plant-pathogenic bacterium isolated from onion foliage in Georgia  

Taxonomic revision of the banana Fusarium wilt TR4 pathogen is premature (letter to the editor)

Peer Review Highlights

Bacterial disease complex including bleached spot, soft rot, and blight on onion seedlings caused by complex infections
Root-lesion nematodes affecting dryland cereals in the semiarid Pacific Northwest USA 

Point of care diagnosis of plant virus: Current trends and prospects

Methods and Protocols

Developing a real-time PCR assay for direct identification and quantification of soybean cyst nematode, Heterodera glycines, in soil and its discrimination from sugar beet cyst nematode, Heterodera schachtii 
Development of an RT-LAMP assay for the detection of maize yellow mosaic virus in maize
Rapid diagnostic detection of tomato apical stunt viroid based on isothermal reverse transcription-recombinase polymerase amplification
Reverse transcription recombinase polymerase amplification assay for rapid detection of the cucurbit chlorotic yellows virus 
Validation of quantitative and digital polymerase chain reaction assays targeting the mating types of Phyllosticta citricarpa, the causal agent of citrus black spot
Development of recombinase polymerase amplification combined with lateral flow detection assay for rapid and visual detection of Ralstonia solanacearum in tobacco 

Notable First Reports

Herbaceous Ornamentals

First report of Coleus blumei viroid 1 in commercial Coleus blumei in the United States
First report of stem and foliage blight of chrysanthemum caused by Phytophthora drechsleri in the United States
First report of Aloe vera rust caused by Uromyces aloes in an ornamental nursery in the United States

Woody Ornamentals

Phytophthora cactorum causing bleeding canker of Acer × freemanii in southern Idaho
First report of Diplodia shoot blight and canker disease caused by Diplodia sapinea on ponderosa pine in Wyoming

Vegetables and Herbs

First report of Pectobacterium brasiliense causing soft rot on mizuna (Brassica rapa var. japonica) in the United States 

First report of Pseudomonas cichorii causing bacterial leaf spot on romaine lettuce (Lactuca sativa var. longifolia) and escarole (Cichorium endivia) in New Jersey
First report of bacterial leaf spot caused by Pseudomonas syringae pv. aptata on Swiss chard, Beta vulgaris subsp. vulgaris, in Arizona
First report of cucurbit yellow stunting disorder virus and cucurbit chlorotic yellows virus in melon in the Central Valley of California
First report of cucurbit chlorotic yellows virus infecting cantaloupe (Cucumis melo) in Texas
An anomalous detection of tomato yellow leaf curl virus in tomato in New York State
First report of Meloidogyne enterolobii on Thai basil in Florida
First report of curly top of Coriandrum sativum caused by Beet curly top virus in the Columbia Basin of Washington State
First report of Fusarium yellows and rhizome rot caused by Fusarium oxysporum f. sp. zingiberi on ginger in the continental United States
First report of dasheen mosaic virus infecting taro (Colocasia esculenta) in Louisiana

Tree Fruit and Small Fruit

First report of grapevine rupestris vein feathering virus in wine grapes in Idaho

Field Crops

First report of spot blotch caused by Bipolaris sorokiniana on winter rye in Kentucky
First report of Pythium myriotylum causing root rot in Cannabis sativa in California
First report of ‘Candidatus Phytoplasma trifolii’ related strain associated with yellowing and witches’ broom of industrial hemp (Cannabis sativa) in Arizona
First report of southern blight of industrial hemp caused by Athelia rolfsii in Louisiana
First report of Fusarium fujikuroi causing root tot and seedling elongation of soybean in Indiana
First report of barley virus G in the United States and California

First report of stem rust, caused by Puccinia graminis, and crown rust, caused by Puccinia coronata var. avenae f. sp. avenae, on tall fescue (Festuca arundinacea) in Georgia