Influence of salinity on rice (Oryza sativa) seedling rootlets
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Abstract
sativa) seedling rootlets affected by salinity were studied in
INCA-LP-10 cv., which has a certain salt-tolerance degree.
Seeds were germinated in two saline concentrations, besides
a separate control treatment just with water. After five days,
rootlets were sampled, fixed to formaldehyde at 4 % and later
processed until they were included in Epon resin. The semithin
cuts were stained with blue toluidine. Longitudinal rootlet
sections showed that salinity provoked morphological
changes, according to NaCl concentrations employed, which
mainly consisted of rootlet morphological changes and
disorganized tissues, then opening large cavities among cell
lines.
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