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Fusiform Rust Resistance in Loblolly Pine: Artificial Inoculation vs. Field Performance. Thomas Miller, Chief Research Plant Pathologist, USDA Forest Service, Southeastern Forest Experiment Station, Gainesville, FL 32611. H. R. Powers, Jr., Chief Research Plant Pathologist, USDA Forest Service, Southeastern Forest Experiment Station, Athens, GA 30602. Plant Dis. 67:33-34. Accepted for publication 8 May 1982. This article is in the public domain and not copyrightable. It may be freely reprinted with customary crediting of the source. The American Phytopathological Society, 1983. DOI: 10.1094/PD-67-33.

Percentage of infection by Cronartium quercuum f. sp. fusiforme on seedlings of seven half-sib families of loblolly pine (Pinus taeda) following artificial inoculation were compared with those of the same families after 5 yr in a high-hazard rust area. Family ranking based on percentage of seedlings galled were essentially the same, demonstrating the reliability of artificial inoculation as a means of evaluating rust resistance in loblolly pine.