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T.L. Widmer
Research Plant Pathologist with the Foreign Disease and Weed Science Research Unit, USDA Agricultural Research Service

14 results for T.L. Widmer

Title Date Authors Publication
Can Fungal Epiphytes Reduce Disease Symptoms Caused by Phytophthora ramorum? | Show full citation 2013. , Biological Control. 65(1): 135-141.
Differentiating Phytophthora ramorum and P. kernoviae from other species isolated from foliage of rhododendrons. | Show full citation 2010. Online. Plant Health Progress. 17 March 2010.
Infective potential of sporangia and zoospores of Phytophthora ramorum. | Show full citation 2009. Plant Disease 93(1):30-35.
Management of Phytophthora ramorum-infested nursery soil with Trichoderma asperellum. | Show full citation 2011. , , Phytopathology 101:S191.
Production of Phytophthora ramorum on Roots of Eastern United States Oak Species. | Show full citation 2012 , , Plant Disease 96(11):1675-1682.
Recovery of Phytophthora ramorum in Plant Tissue with Mixed Infections | Show full citation 2017 , , European Journal of Plant Pathology
Reducing Infection and Secondary Inoculum of Phytophthora ramorum on Viburnum tinus Roots Grown in Potting Medium Amended with Trichoderma asperellum Isolate 04-22 | Show full citation 2017 , Biological Control. 107: 60–69
Root susceptibility and inoculum production from roots of eastern oak species to Phytophthora ramorum. | Show full citation 2010. , , Phytopathology 100: S136.
Screening Selected Gulf Coast Forest Species for Susceptibility to Phytophthora ramorum. | Show full citation 2013. , , , Plant Health Progress.
Standardizing the nomenclature for clonal lineages of the sudden oak death pathogen, Phytophthora ramorum. | Show full citation 2009. , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Phytopathology 99:792-795.
Susceptibility of sprouted oak acorns to Phytophthora ramorum zoospores. | Show full citation 2009. , Phytopathology 99: S205.
Susceptibility of Viburnum Species and Cultivars to Phytophthora ramorum. | Show full citation 2010. J. Environ. Hort. 28(4):197–202.
The Effect of Salinity on the Survival, Growth, Sporulation and Infection of Phytophthora ramorum | Show full citation 2016 , , , Fungal Ecology. 23:123–130
The effects of salinity on Phytophthora ramorum viability and infectivity. | Show full citation 2011. , , , Phytopathology 101:S146.