Research Publication 2020

June 16, 2020

Baysal-Gurel F, Jennings C, and Simmons T. 2020. Evaluation of fungicides for the control of boxwood blight, 2020. Plant Disease Management Reports 15:OT002. https://www.plantmanagementnetwork.org/pub/trial/PDMR/volume15/

Castroagudín VL, Weiland JE, Baysal-Gurel F, Cubeta MA, Daughtrey ML, Gauthier NW, LaMondia J, Luster DG, Hand FP, Shishkoff N, Williams-Woodward J, Yang X, LeBlanc N, and Crouch JA. 2020. One clonal lineage of Calonectria pseudonaviculata is primarily responsible for the boxwood blight epidemic in the United States. Phytopathology 110:1845-1853. https://doi.org/10.1094/phyto-04-20-0130-r

Castroagudín VL, Yang X, Daughtrey ML, Luster DG, Pscheidt JW, Weiland JE, and Crouch JA. 2020. Boxwood blight disease: A diagnostic guide. Plant Health Progress 21:291-300. https://doi.org/10.1094/PHP-06-20-0053-DG

Gouker FE, Guo YH, and Pooler MR. 2020. Using acetone for rapid PCR-amplifiable DNA extraction from recalcitrant woody plant taxa. Applications in Plant Sciences 8:e11403. https://doi.org/10.1002/aps3.11403

Hall CR, Hodges AW, Khachatryan H, and Palma MA. 2020. Economic contributions of the green industry in the United States in 2018. Journal of Environmental Horticulture 38:73-79. https://doi.org/10.24266/0738-2898-38.3.73

Hall CR, and Knuth MJ. 2020. An update of the literature supporting the well-being benefits of plants: Part 4 – available resources and usage of plant benefits information. Journal of Environmental Horticulture 38:68-72. https://doi.org/10.24266/0738-2898-38.2.68

LaMondia JA. 2020. Curative fungicide activity against Calonectria pseudonaviculata, the boxwood blight pathogen. Journal of Environmental Horticulture 38:44-49. https://doi.org/10.24266/0738-2898-38.2.44

LaMondia JA, and Maurer K. 2020. Calonectria pseudonaviculata conidia dispersal and implications for boxwood blight management. Plant Health Progress 21:232-237. https://doi.org/10.1094/PHP-04-20-0024-RS

Sacher GO, Weiland JE, Putnam ML, Crouch JA, and Castroagudin VL. 2020. Confirmation of Calonectria pseudonaviculata causing boxwood blight of Buxus cultivars in Oregon. Plant Disease 104:1862. https://doi.org/10.1094/pdis-01-20-0078-pdn

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Herbal Distancing: Keeping Boxwood in Your Nursery Free from Blight

By Dr. Jerry Weiland • January 30, 2026

Learn how your nursery production practices can impact boxwood blight risk and your potential for outbreaks. Whether you’re currently dealing with this disease or working to prevent it, understanding key risk factors is essential for protecting your entire boxwood inventory. Join plant disease expert Jerry Weiland as he examines real-world case studies demonstrating how boxwood blight enters nurseries and spreads via common production activities. This webinar will cover critical factors that influence disease development and spread, including plant size and spacing, cultivar selection, environmental conditions (temperature and moisture), and fungicides. You’ll leave with practical management recommendations and actionable strategies for preventing and controlling boxwood blight in your operation.