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Studies of Fusarium associated with containerized conifer seedling diseases : pathogenicity tests of isolates from the Alpine Nursery, Kalispell, Montana

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dc.date 2006-12-05T18:30:12Z
dc.date 2006-12-05T18:30:12Z
dc.date 1984
dc.date.accessioned 2013-10-16T07:42:53Z
dc.date.available 2013-10-16T07:42:53Z
dc.date.issued 2013-10-16
dc.identifier http://hdl.handle.net/1957/3610
dc.identifier.uri http://koha.mediu.edu.my:8181/xmlui/handle/1957/3610
dc.description Isolates of Fusarium oxysporum, F. acuminatum, and F. sambucinum obtained from peat-vermiculite soil mixes were tested for pathogenicity on ponderosa pine, lodgepole pine, western larch, and blue spruce containerized seedlings and on germination of Scots pine and blue spruce seed. Ponderosa pine seedling were the least susceptible to killing by the Fusarium isolates tested. Fusarium acuminatum was the most pathogenic and F. sambucinum the least pathogenic on seedlings. Isolates of F. oxysporum ranged in virulence from very low to moderately high. The only isolate that consistently reduced seed germination was F. acuminatum. Time required for germination was generally not affected by the Fusarium isolate tested. Seedling inoculation techniques allowed for successful differentiation of the pathogenic potential of the Fusarium isolates tested.
dc.language en_US
dc.publisher Missoula, Mont. : USDA Forest Service, Northern Region
dc.relation Report (United States. Forest Service. Northern Region)
dc.relation no. 84-14
dc.relation Forest pest management
dc.title Studies of Fusarium associated with containerized conifer seedling diseases : pathogenicity tests of isolates from the Alpine Nursery, Kalispell, Montana
dc.type Technical Report


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