Figure 4.

Differences (Δ) between δ13C values of sucrose* and δ13C of biomass from needles measured in the light and in the dark during the vegetation period 2006. *Water soluble organic fraction consisted of ≥97 % sucrose

Voronin et al. BMC Plant Biology 2012 12:76   doi:10.1186/1471-2229-12-76
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