4th Edition Of Plant Science and Molecular Biology World Conference 2027

Abstract

Soil salinity is one of the utmost abiotic stresses in the world. It severely limits yields and threatens land productivity in arid and semi-arid regions of the Mediterranean area, which leads to a reduction in cultivable areas and represents a threat to the environmental balance of these regions. The identification of more adapted species and the selection of variety tolerant to salinity would remain the most efficient economic way for the exploitation of the salt-affected lands. P. maritimum L. is one of the best known endangered species in its natural habitats due to urbanization, tourism development and overharvesting. The aim of this research is to study the physiological and biochemical characteristics and their evolutions in the different vegetative stages of a plant from the northern Tunisian coast (Pancratium maritimum). The results showed significant differences in the behavior of the plant depending on the stage of growth. The mature stage shows the highest biomass production as well as the growth in length. Thus this plant maintains high relative leaf water contents (90.19%) and it is considered as a species resistant to drought and salinity. In addition, germination of seeds under different salt concentrations to enhance the ability of the plant to adapt to high salt concentrations (200 Mm NaCl) showing a slow cycle of germination of the plant. This plant is rich in vegetable fibers and polyphenols so the seeds are loaded with Total Nitrogenous Matter (TMA) from which it is suggested as a fodder plant.

Keys words: Pancratium maritimum, biochemical proprieties, polyphenols, salt stress, forage plant