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Home → Publications → Tree Planters' Notes → Tree Planters' Notes Volume 41, Number 1 (1990) → Comparison of Disease Management Strategies for Control of Soil-Borne Pathogens in a Forest Tree Nursery

Comparison of Disease Management Strategies for Control of Soil-Borne Pathogens in a Forest Tree Nursery

In a Wisconsin forest tree nursery, pre-emergence mortality of white spruce (Picea glauca (Moench) Voss) was greatest in nontreated plots and least in plots treated with dazomet. Nontreated plots had the most postemergence damping off, and plots treated with silica sand had the least. Seedling mortality was greatest during the first growing season (28% in dazomet-treated plots, 61% in nontreated plots). However, seedling losses were less than 8% in all treatments during the second and third growing seasons. After the first growing season, the incidence of stunting was greatest in plots treated with dazomet and least in plots where seeds were covered with sand. Most of the stunted seedlings recovered during the second and third years of growth. At the end of both the first and third growing seasons, plots treated with dazomet had significantly more seedlings than any other treatment. At the end of the rotation, all treatments had similar numbers of cull seedlings. Tree Planters' Notes 41(1) :29-33; 1990.


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Author(s): Marguerita A. Palmer, R. A. Blanchette, Scott A. Enebak

Publication: Tree Planters' Notes - Volume 41, Number 1 (1990)

Volume: 41

Number: 1