Contribution à l’étude des potentialités antifongiques de Salvia officinalisvis à vis de Fusarium sp. agent de la fusariose sur Pisumsativum

Abstract

Fusarium wilt on peas, caused by Fusarium sp., is a disease-causing total loss of pea plants. With the aim of researching environmentally friendly control methods, our work aims to test the antifungal effect of the essential oil of Salvia officinalis, an aromatic and medicinal plant from the Lamiaceae family. This plant contains natural phenolic compounds, giving it remarkable antifungal properties. For this, we evaluated the antifungal effect “in vitro” and “in vivo” of the essential oil of this plant against two isolates of Fusarium sp., isolated from pea plants presenting wilting and collar rot. We note that Fusarium sp 1 was particularly sensitive to the presence of essential oil in the culture medium, where 100% inhibition was noted. a total absence of sporulation prevented us from estimating the rate of inhibition of sporulation of Fusarium sp1. The Fusarium sp 2 species, in comparison with the first, demonstrated a certain resistance to EO, with an inhibition rate of 30% for the highest concentration. We also note that sage EO exerts an average inhibitory power on sporulation, with a rate of 54.5%. During the "in vivo" study, the essential oil of Salvia officinalis showed remarkable effectiveness in the prevention and reduction of symptoms caused by Fusarium spp. Control plants suffered severe damage, while treated plants were not seriously affected.