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http://dspace.mediu.edu.my:8181/xmlui/handle/1957/3619| Title: | Studies of Fusarium associated with containerized conifer seedling diseases, 2. Diseases of western larch, Douglas-fir, grand fir, subalpine fir, and ponderosa pine seedlings at the USDA Forest Service Nursery, Coeur d'Alene, Idaho |
| Issue Date: | 16-Oct-2013 |
| Publisher: | Missoula, Mont. : USDA Forest Service, Northern Region |
| Description: | Containerized western larch, Douglas-fir, grand fir, subalpine fir, and ponderosa pine seedlings which displayed disease symptoms were sampled for presence of Fusarium spp. Seedlings from 33 seedlots within the Northern Region were sampled. Major types of diseases included post-emergence damping-off, root disease (late damping-off), and cotyledon blight. Fusarium oxysporum was most frequently isolated from seedlings; F. avenaceum was also commonly isolated, particularly from grand fir and subalpine fir seedlings. Both fungal species often produced orange sporodochia on diseased seedlings. Poor production from several high elevation Douglas-fir seedlots was probably due to losses from seed-borne Fusaria. |
| URI: | http://koha.mediu.edu.my:8181/xmlui/handle/1957/3619 |
| Other Identifiers: | http://hdl.handle.net/1957/3619 |
| Appears in Collections: | ScholarsArchive@OSU |
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