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Ecological impacts of using chloropicrin to control laminated root rot in Northwest conifer forests: growth and mycorrhiza formation of planted Douglas-fir seedlings after two growing seasons.Author(s): Michael A. Castellano; Donaraye McKay; Walter G. Thles
Source: Res. Pap. PNW-RP-464. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 4 p
Publication Series: Research Paper (RP)
Station: Pacific Northwest Research Station
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DescriptionBareroot Douglas-fir seedlings inoculated with Rhizopogon sp. and processed by standard nursery and reforestation procedures performed equally well whether planted near Douglas-fir stumps previously fumigated with two dosages of chloropicrin to control Phellinus weirii infection or near stumps not fumigated. Before stump-fumigation can be generally recommended for Phellinus-rehabilitation sites, the fate of the chemical and its derivatives.
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CitationCastellano, Michael A.; McKay, Donaraye; Thles, Walter G. 1993. Ecological impacts of using chloropicrin to control laminated root rot in Northwest conifer forests: growth and mycorrhiza formation of planted Douglas-fir seedlings after two growing seasons. Res. Pap. PNW-RP-464. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 4 p
KeywordsRhizopogon, ectomycorrhiza, Pseudotsuga, outplanting, chloropicrin, Phellinus, reforestation
- Potassium fertilizer applied immediately after planting had no impact on Douglas-fir seedling mortality caused by laminated root rot on a forested site in Washington State.
- Long-term effects of stump removal to control root rot on forest soil bulk density, soil carbon and nitrogen content.
- Application of chloropicrin to Douglas-fir stumps to control laminated root rot does not affect infection or growth of regeneration 16 growing seasons after treatment.
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