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Fusarium species associated with rhizosphere soil and diseased roots of eastern white pine seedlings and associated nursery soilAuthor(s): Cynthia M. Ocamb; Jennifer Juzwik
Source: Canadian Journal of Plant Pathology 17:325-330
Publication Series: Scientific Journal (JRNL)
Station: North Central Research Station
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DescriptionFusarium species isolated from necrotic roots of eastern white pine (Pinus strobus) seedlings in two nurseries included F. acuminatum, F. equiseti, F. oxysporum, F. oxysporum var. redolens, F. proliferatum, F. sambucinum, F. solani, and F. sporotrichioides. In addition, all but F. sambucinum were isolated from the rhizosphere; all, in addition to F. graminearum, were also isolated from nonrhizosphere soil. Fusarium oxysporum, F. oxysporum var. redolens, and F. proliferatum were the most prevalent taxa in roots and nonrhizosphere soil. These three taxa plus F. solani predominated in rhizosphere soil. Species prevalence differed by site and date of collection, e.g. F. proliferatum was present at only one site. At least seven species of Fusarium were associated with seedling root rot and their prevalence differed according to site and time of year.
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CitationOcamb, Cynthia M.; Juzwik, Jennifer 1995. Fusarium species associated with rhizosphere soil and diseased roots of eastern white pine seedlings and associated nursery soil. Canadian Journal of Plant Pathology 17:325-330
KeywordsF. oxysporum, F. proliferatum, F. solani, Pinus strobus, root rot
- Fusarium spp. and Pinus strobus seedlings: root disease pathogens and taxa associated with seed
- Spatial and population genetic structure of microsatellites in white pine
- Histology of white pine blister rust in needles of resistant and susceptible eastern white pine
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