October 10, 2025Forest Science

Fusarium Root Rot of Douglas-fir Seedlings: Suppression by Soil Fumigation, Fertility Management, and Inoculation with Spores of the Fungal Symbiont Laccaria laccata

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Authors

WSW. A. SinclairAustralian National University DCD. P. CowlesWeyerhaeuser (United States)SHStephen HeeYale University

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Implication

This factorial experiment shows that soil fumigation and inoculation with laccaria laccata reduce losses from fusarium root rot in douglas-fir seedlings.

Key Points

Soil fumigation may reduce fusarium root rot in douglas-fir seedlings by controlling pathogen levels, promoting healthier growth.
Application of nitrogen fertilizer has a direct correlation with increased mortality rates in seedlings, emphasizing the need for careful management.
Inoculation with laccaria laccata resulted in lower mortality rates immediately post-sowing, albeit without affecting long-term mycorrhizal establishment.
Adequate phosphorus fertilization prior to sowing contributes significantly to the improved growth of seedlings during their initial season.

Cite This Study

Sinclair et al. (1975) studied this question.

synapsesocial.com/papers/68e865147ef2f04ca37e519e https://doi.org/10.1093/forestscience/21.4.390

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Implication

This factorial experiment shows that soil fumigation and inoculation with laccaria laccata reduce losses from fusarium root rot in douglas-fir seedlings.

Fusarium Root Rot of Douglas-fir Seedlings: Suppression by Soil Fumigation, Fertility Management, and Inoculation with Spores of the Fungal Symbiont Laccaria laccata

Discussion

Member takes

Implication

Key Points

Cite This Study

Fusarium Root Rot of Douglas-fir Seedlings: Suppression by Soil Fumigation, Fertility Management, and Inoculation with Spores of the Fungal Symbiont Laccaria laccata

Discussion

Member takes

Implication

Key Points

Cite This Study

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