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. 2020 Jun 1;7:88. doi: 10.1038/s41438-020-0311-7

Fig. 1. Trifoliate orange tetraploid plants display enhanced salt tolerance compared with diploid plants.

Fig. 1

ac Phenotype (a), chlorophyll content (b) and MDA content (c) of three-month-old diploid and tetraploid plants after two weeks of culture in salt solution or water (control). d Phenotype of seven-month-old potted seedlings after 30 days of irrigation with salt solution or water (control). eg Phenotype (e), chlorophyll content (f) and electrolyte leakage (g) of fresh shoots obtained from 2-year-old diploid and tetraploid plants before and/or after salt treatment. h Trypan Blue staining of diploid and tetraploid leaves with or without (control) salt treatment. Error bars indicate SE (n = 3). Asterisks indicate significant differences between the diploids and tetraploids (*P < 0.05; **P < 0.01; *** P< 0.001)