Melatonin increases growth and salt tolerance of Limonium bicolor by improving photosynthetic and antioxidant capacity.

ABSTRACT:

Background

Soil salinization is becoming an increasingly serious problem worldwide, resulting in cultivated land loss and desertification, as well as having a serious impact on agriculture and the economy. The indoleamine melatonin (N-acetyl-5-methoxytryptamine) has a wide array of biological roles in plants, including acting as an auxin analog and an antioxidant. Previous studies have shown that exogenous melatonin application alleviates the salt-induced growth inhibition in non-halophyte plants; however, to our knowledge, melatonin effects have not been examined on halophytes, and it is unclear whether melatonin provides similar protection to salt-exposed halophytic plants.

Results

We exposed the halophyte Limonium bicolor to salt stress (300 mM) and concomitantly treated

SUBMITTER: Li J 

PROVIDER: S-EPMC8725383 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature