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FIGURE 15.4
Seasonal variations of regeneration coefficients indices
Pyrus
L. species in
2012
The other indices were in 2013. In early May and late August, the excesses were
observed in
P. communis
and at the end of the fi rst decade of July the unexpected ex-
cess was observed in
P. salicifolia
(Figure 15.5).
FIGURE 15.5
Seasonal variations of regeneration coefficients indices
Pyrus
L. species in
2013.
The interspecies differences in the indices of a regenerative ability on the other
dates of season 2013 were insignifi cant or statistically unproved. It has motivated
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