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Article
Micropropagation of a Local Olive Cultivar for Germplasm Preservation
In vitro shoot culture was applied to an Italian local cultivar Nebbiara of olive (Olea europaea L.) to preserve its endangered germplasm. This cultivar showed a notable difficulty for the in vitro establishment...
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Article
Tolerance to salt stress in maize callus lines with different polyamine content
Four callus lines from immature embryos of a self-crossed maize (Zea mays L.) hybrid cultivar were selected for “high” (two lines) and “low” (two lines) polyamine (PA) levels. Each selected line was exposed to c...
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Article
Inhibition of maize primary root elongation by spermidine: Effect on cell shape and mitotic index
Spermidine applied for 18 h to intact maize seedlings through their roots reduces root growth 70%, and the effect is reversible. Histological observations of longitudinal sections of 0.4-cm root apical segment...
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Article
Session 01 Cell structure and development
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Article
Involvement of polyamines in the inhibiting effect of injury caused by cutting on K+ uptake through the plasma membrane
The inhibition of K+ uptake through the plasma membrane resulting from injury caused by cutting, or from application of polyamines (PAs), has been investigated in root segments of maize (Zea mays L.) and pea (Pis...