The characteristics of growth, preservation, and biomass accumulation of needles, as well as a number of indicators of water exchange in the needles of spruce (Picea abies (L.) Karst. x P. obovata (Ledeb.)) growing in provenance test in the Arkhangelsk Region, were studied. Low variability of origins in provenance test in terms of growth and water exchange of needles was quite was shown. Differences in growth and water exchange between spruce species were identified.
Siberian spruce, European spruce, geographical cultures, growth, water exchange
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