Melatonin delays aging in plants

Depending on the species, different external and internal factors determine the rate of foliar senescence, a physiologically regulated process. The death of the leaves is preceded by the degradation of chlorophyll, the loss of molecular integrity, the transfer of nutrients through the phloem, the changes in phytohormones (auxins, cytokinins, abscissic acid, ethylene and jasmonic acid), the disintegration of ...