INFLUENCE OF ARID CLIMATE ON THE CONTENTOF THE PLANT "CYNODON DACTYLON (L) PERS" IN FLAVONOÏDS

Abstract

During its evolution, plants have developed substances (called here active principles) with different functions, this can be a defense against parasitesor other aggressors (micro-organisms), a technique to prevent the growth of other nearby plants and thus ensure good nutrition, as a means of growth or renewal of the species.The concentration of active principlesof a plant varies according to the age of the plant, the season, the climate and the environment in general (drought, pollution, etc).This is why it is important to know the best time of the year, and even of the day (morning, day, evening, night) to harvest the plant.According to our study, it was found that the plant Cynodon dactylon "L" Pers has a differentcomposition and content of flavonoids between two periods.