October 5, 2025

Five-Year Results from Tubeling Plantings in Minnesota

Key Points

Mean survival rates of 69% for jack pine and 49% for red pine were recorded after five years.
The study highlights the challenges of juvenile growth, particularly for slower-growing species like red pine.
Adaptability to site conditions varies, suggesting the need for larger containers for certain species.
Seasonal planting between June 1 and August 1 across four areas showed significant differences in survival.

Abstract

Abstract Results after five years indicate that tubeling plantings have a narrow range of adaptability to site conditions, especially for species with slow juvenile growth such as red pine, for which a larger container and longer cultural period are suggested. Mean survival was 69 percent for jack pine and 49 percent for red pine planted from June 1 through August 1 on four different areas.

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Cite This Study

Alm et al. (Sun,) studied this question.

synapsesocial.com/papers/68e2555bd6d66a53c24755f9 https://doi.org/https://doi.org/10.1093/jof/70.10.616a