Keywords: طیف سنجی جرمی پلاسما با افزایش وضوح بالا; Auxin metabolism; Brassica rapa ssp. pekinensis; Growth inhibition; Reactive oxygen species; Short-term salinity stress; Stress hormones; Principal component analysis; AA; ascorbic acid; ABA; abscisic acid; ANT; anthranilate; APX; ascorbate peroxidase; CA