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Home → Publications → National Nursery Proceedings → 1989 → The Effects of Mineral Nutrition on Hardening-Off of Conifer Seedlings

The Effects of Mineral Nutrition on Hardening-Off of Conifer Seedlings

Containerized lodgepole pine, jack pine, red pine, Scots pine, white spruce, and black spruce were hardened off under different nutrient regimes to determine the effect of nutrition on development of cold hardiness. There was only weak correlation between cold hardiness and nutrient concentration or uptake in the shoot of seedlings. In lodgepole pine, cold hardiness was associated with a low nitrogen regime and in all other species, it was associated with either high phosphorus or high potassium. The implication of a lower level of cold hardiness achieved in pines is discussed.


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Author(s): Ivor K. Edwards

Publication: National Nursery Proceedings - 1989

Event: Intermountain Forest Nursery Association Meeting
1989 - Bismark, ND