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Creator:: James, Robert L., United States. Forest Service. Northern Region, and United States. Forest Pest Management
Abstract:: Investigations were conducted to understand the epidemiology of Fusarium on containerized Douglas-fir seedlings. Types and importance of Fusarium inoculum sources, relationships between seedling infection and symptom production, amounts and types of diseases that occurred throughout typical growth cycles, and the importance of secondary pathogen spread were investigated. Levels of Fusarium...
Resource Type:: Technical Report
Full Text:: , Plant Pathologist 1/ R. K Dumroese, Research Associate 2/ D. L Wenny, Associate Professor 2/ • J. F

Creator:: James, Robert L., United States. Forest Service. Northern Region, and United States. Forest Pest Management
Abstract:: Investigations of containerized western white pine, western larch, and Douglas-fir seedlings at the Western Forest Systems Nursery in Lewiston, Idaho, revealed that many seedlings were colonized with Fusarium oxysporum although they lacked severe disease symptoms. White pine seedlings were also infected with Pythium spp., probably as a result of sowing...
Resource Type:: Technical Report
Full Text:: CONTAINERIZED CONIFER SEEDLINGS WESTERN FOREST SYSTEMS NURSERY, LEWISTON, IDAHO• R. L. James Plant

Creator:: James, Robert L., United States. Forest Service. Northern Region, and United States. Forest Pest Management
Resource Type:: Technical Report
Full Text:: . L. James, Plant Pathologist INTRODUCTION Bareroot conifer seedling production at the Montana State

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