Physiological and Transcriptomic Analyses Elucidate That Exogenous Calcium Can Relieve Injuries to Potato Plants (Solanum tuberosum L.) under Weak Light.

ABSTRACT: Light is one of the most important abiotic factors for most plants, which affects almost all growth and development stages. In this study, physiological indicators suggest that the application of exogenous Ca²⁺ improves photosynthesis and changes phytohormone levels. Under weak light, photosynthetic parameters of the net photosynthetic rate (P_N), stomatal conductance (Gs), and transpiration rate (Tr) decreased; the antioxidation systems peroxidase (POD), superoxide dismutase (SOD), and catalase (CAT) reduced; the degrees of malondialdehyde (MDA), H₂O₂, and superoxide anion (O₂^-) free radical damage increased; while exogenous Ca²⁺ treatment was significantly improved. RNA-seq analysis indicated that a total of 13,6

SUBMITTER: Hou J 

PROVIDER: S-EPMC6829426 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature