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Phenotype features in juvenile populations of Picea abies and their growth

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Figure

Table 1. Basic features of selected plots and their localization (JTSK coordinates). The average tree height (mean ± standard deviation) in the year of measurement
Fig. 1. Different types  of cross-sections through young needles of Picea abies: (a) W – flat nee-dle, (b) I – intermediate needle, (c) T – inversion needle, (d) S – sclerotized needle with surface strips
Fig. 2. The relation between microscopic width of nee-dle (mw) and calculated average width of needle (rw) in samples of seedlings from the tree nursery is significant by the needle type – flat needle (W) (r = 0.48, P = 0.039) but insignificant by the type – intermediate needle  (I) (r = 0.34, P = 0.41)
Table 3. Modelling of the height increment of spruce populations from natural regeneration and planting based on the regression equation Py =  a × hby–1(data on all analysed localities)
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