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New Diseases and Epidemics

Pitch Canker of Slash Pine Seedlings: A New Disease in Forest Tree Nurseries. E. L. Barnard, Forest Pathologist, Divisions of Forestry and Plant Industry, Florida Department of Agriculture and Consumer Services, Gainesville 32602. G. M. Blakeslee, Assistant Professor of Forest Pathology, School of Forest Resources and Conservation and Department of Plant Pathology, University of Florida, Gainesville 32611. Plant Dis. 64:695-696. 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, 1980. DOI: 10.1094/PD-64-695.

Pitch canker, caused by Fusarium moniliforme var. subglutinans, is reported for the first time as a cause of mortality among first-year slash pine seedlings in forest tree nurseries. Infected seedlings showed a variety of symptoms; the most diagnostic was a resin-soaked lesion on the lower stem.

Keyword(s): Pinus elliottii var. elliottii.