FROST HARDINESS, ROOT-GROWTH CAPACITY, AND FIELD PERFORMANCE RELATIONSHIPS IN INTERIOR SPRUCE, LODGEPOLE PINE, DOUGLAS-FIR, AND WESTERN HEMLOCK SEEDLINGS

被引:46
|
作者
SIMPSON, DG
机构
关键词
D O I
10.1139/x90-073
中图分类号
S7 [林业];
学科分类号
0829 ; 0907 ;
摘要
Interior Picea glauca engelmannii complex, Pinus contorta, Pseudotsuga menziesii and Tsuga heterophylla were grown from seed for 20 wk in containers, with 18-h photoperiods. In all species, frost hardiness and root growth capacity increased with weeks of acclimation. Frost hardiness and root growth capacity were correlated with each other in western hemlock, lodgepole pine and Douglas-fir, and with field performance (survival or growth) in interior spruce, lodgepole pine and Douglas-fir. -from Author
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页码:566 / 572
页数:7
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