Alejandra M. Jimenez Madrid et al. present the first report of Pseudopithomyces chartarum on corn in the United States. 🌽 Learn more: https://doi.org/10.1094/PHP-10-24-0099-BR

High tunnels protect plants, but conditions often result in the accumulation of soilborne pathogens in tomato. Manisha Hamal et al. evaluated the prevalence of soilborne pathogens in 265 tomato high tunnels on 118 farms from 12 states: https://doi.org/10.1094/PHP-01-25-0004-S

Where flowers bloom, so do downy mildews: Catalina Salgado-Salazar et al. report downy mildew observations on several annual, herbaceous perennial, and woody shrub plants in several states in the eastern United States. https://doi.org/10.1094/PHP-10-24-0100-RS

Physiological races of Podosphaera xanthii have not been classified for watermelon. Chandrasekar S. Kousik and Jennifer L. Ikerd developed a set of watermelon powdery mildew race differentials and identified potential races. 🍉 https://doi.org/10.1094/PHP-11-24-0114-RS

Plant Disease Management Reports (PDMRs) are now easier to navigate! A new update allows users to filter PDMRs by crop type and author, making it easier than ever to find relevant reports.

Explore PDMRs published in Plant Health Progress: apsjournals.apsnet.org/topic/pdmrar...

Since 2020, a disease syndrome on watermelon plants has been observed in Jalisco, Mexico. Hernández-Pérez et al. present the first report of CYSDV and WmCSV in a natural mixed infection in watermelon in Mexico 🍉: https://doi.org/10.1094/PHP-10-24-0096-BR

Diagnostic Guide: “Sunflower Head Rot Diseases: Botrytis Head Rot and Bacterial Head Rot,” by Malcolm Ryley et al.: https://doi.org/10.1094/PHP-08-24-0077-DG

Potato virus Y (PVY) strain surveys (2019–2023) across Michigan seed lots by Mio Satoh-Cruz et al. reveal PVYN-Wi as dominant, but necrotic strains like PVYNTN and PVYE persist. Continued monitoring is vital for management. Learn more: doi.org/10.1094/PHP-...

A decade-long study by Phillip S. Wharton, Alan Malek, and Katie L. Malek, published in Plant Health Progress, is the first to provide conclusive evidence that copper-based fungicides reliably manage aerial stem rot in potatoes. 🥔 Read the full press release: www.apsnet.org/about/newsro...

Black root rot is a significant seedling disease in Australian cotton. This guide by Duy P. Le et al. offers diagnostic tools, pathogen isolation methods, molecular identification techniques, and pathogenicity assessment approaches. doi.org/10.1094/PHP-...

Foliar diseases affect table beet production in New York. Field trials by Pratibha Sharma et al. show varying susceptibility among cultivars, with Bazzu and Irazu offering the best resistance to all three diseases. doi.org/10.1094/PHP-...

Small fruit crops are vital to the Pacific Northwest. A new study by Cristian Olaya et al. reveals dagger nematodes in 52% of fields surveyed and reports ToRSV in Oregon wine grapes and red currants for the first time, updating virus-vector data. Learn more: doi.org/10.1094/PHP-...

The reniform nematode is a major yield-limiting pest in tropical and subtropical crops. This updated map from Travis R. Faske et al. shows its county-level distribution in U.S. field crops, aiding targeted management. doi.org/10.1094/PHP-... @mahduffeck.bsky.social