This pattern of change in ABA level in 2n ZE
during development is consistent with that reported
for other species [2–4,11]. However, the
values obtained in our study of the concentration
of ABA in ZE, especially at the peak, (expressed
on FW basis) are somewhat higher than those
cited in the literature (but are still within a physiological
range). For example, the respective values
for zygotic embryos of bean [21], rapeseed [11] and
of soybean [4] are about 1.75, 3 and 17 mg g1
FW. In some species, however, as, for example, in
Picea glauca, the concentration of ABA in embryos
when recalculated on a FW basis is almost
the same (49.5 mg g1 FW vs. 51.1 mg g1 FW)
[22]. It is worth mentioning that the values of
ABA concentration in fruit tissues of cucumber
recorded by Kim et al. [23] and Kuz’mina [24] for
appropriate stages are comparable with those obtained
in our study.
This pattern of change in ABA level in 2n ZE
during development is consistent with that reported
for other species [2–4,11]. However, the
values obtained in our study of the concentration
of ABA in ZE, especially at the peak, (expressed
on FW basis) are somewhat higher than those
cited in the literature (but are still within a physiological
range). For example, the respective values
for zygotic embryos of bean [21], rapeseed [11] and
of soybean [4] are about 1.75, 3 and 17 mg g1
FW. In some species, however, as, for example, in
Picea glauca, the concentration of ABA in embryos
when recalculated on a FW basis is almost
the same (49.5 mg g1 FW vs. 51.1 mg g1 FW)
[22]. It is worth mentioning that the values of
ABA concentration in fruit tissues of cucumber
recorded by Kim et al. [23] and Kuz’mina [24] for
appropriate stages are comparable with those obtained
in our study.
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