Succulence is a key trait involved in the response of to salt stress. However, few studies have investigated the effects of the interaction between salt and drought stress on growth and succulence. In this study, the morphology and physiology of were examined under different salt ions (Na, Ca, Mg, Cl, and SO) and simulated drought conditions using different polyethylene glycol concentrations (PEG; 0%, 5%, 10%, and 15%). The results demonstrate that Na and Ca significantly increased leaf succulence by increasing leaf water content and enlarging epidermal cell size compared to Mg, Cl, and SO. Under drought (PEG) stress, with an increase in drought stress, the biomass, degree of leaf succulence, and water content of decreased significantly in the non-salt treatment. However, with salt treatment, the results indicated that Na and Ca could reduce water stress due to drought by stimulating the succulence of . In addition, Na and Ca promoted the activity of superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD), which could reduce oxidative stress. In conclusion, Na and Ca are the main factors promoting succulence and can effectively alleviate drought stress in .
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10934976 | PMC |
| http://dx.doi.org/10.3390/plants13050721 | DOI Listing |
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