Rice (Oryza sativa L.) plant response when exposed to different NaCl levels. I. Plant growth and water relations
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Abstract
determining the answer to plant growth and water relations of
two rice varieties (Oryza sativa L.) when being exposed to
different NaCl levels. Plants were developed in a growth
chamber under hydroponic conditions. Evaluations were
carried out at the beginning of the experiment, at seven and 14
days of having applied treatments and after seven days of
recovery. Evaluations consisted of the biomass expressed as
fresh and dry matter from roots and the air part, stomatal
conductance, transpiration as well as leaf, osmotic, pressure
and osmotic potentials at full turgor. The analysis of plant
behavior indicated that they modified growth as much as water
relations when exposed to saline conditions. It was also
appreciated that under these conditions, plants developed the
osmotic adjustment mechanism.
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