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Plant Science Today (PST)

Research Articles

Early Access

Effects of salinity on growth traits, physiological parameters and chlorophyll in vegetative phase of Indonesian local rice (Oryza sativa L.) varieties

DOI
https://doi.org/10.14719/pst.9311
Submitted
5 May 2025
Published
27-11-2025

Abstract

Rice (Oryza sativa L.) is one of the most important staple food crops for most of the world's population. However, rapid population growth and the conversion of agricultural land to other uses have increased the demand for higher rice production. One approach to increase rice yields is to expand the planting area on high salinity land using rice varieties with enhanced tolerance under salinity stress. This study aims to test the level of resistance of several rice varieties during the vegetative phase under salinity stress. The rice varieties tested in this study include Pamelen, Inpago 10, Gilirang and Inpari 30. The steps of this study include preparation and sowing of rice seeds, making planting media, planting hydroponically and treating salinity stress, harvesting, observing and measuring treatment results. A factorial randomized block design (RBD) was used, with two factors: variety and salinity level (0, 100 and 200 mM NaCl), with three replications. The results obtained from this study were that the administration of salinity stress caused the four rice varieties to experience morphological, physiological and chlorophyll pigment disorders. Based on the results of research and statistical analysis conducted, the Inpari 30 variety shows the highest tolerance (p < 0.05) across most traits.

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