Fig. 4From: Seasonal variations of auxin and gibberellin A4 levels in cambial-region tissues of three conifers (Pinus elliottii, Chamaecyparis obtusa, and Cryptomeria japonica) with inherently different wood densitiesSeasonal variation of GA4 amounts in three conifers. Data are means ± SD (n = 3 or 4)Back to article page