Abstract
Agriculture currently requires alternatives to the use of pesticides to control plant pathogens, such as plant extracts that can help minimize losses from plant pathogens, without causing harm to human health. In this work, the effect of plant extracts on Fusarium oxysporum, Fusarium solani and Rhizoctonia solani was evaluated in vitro. The methanolic extracts (ME) of: Moringa oleifera (Moringa, leaves), Persea americana (Avocado), Equisetum hymale (Horsetail), Larrea tridentata (Gobernadora), Gnaphalium semiamplexicaule (Gordolobo), Peumus boldus (Boldo), Brickellia squarrosa (Prodigiosa), Rosmarinus officinalis (Rosemary) and Physalis coztomatl (Costomate), were obtained using a Soxhlet kit at a concentration of 10% (w/V). Using the statistical software MInitab 16® Mexico, an analysis of variance (ANDEVA) and comparison of Tukey means (p ≤ 0.05) were performed. The mycelial growth inhibition percentage was determined separately. The ME of Larrea tridentata (Gobernadora) 100% inhibited the growth of Fusarium solani and Rhizoctonia solani for up to 144 h, and of F. oxysporum for up to 240 h. The ME of Brickellia squarrosa (Prodigiosa) and Rosmarinus officinalis (Rosemary) also inhibited mycelial growth. These extracts represent an excellent alternative to the conventional control and management of plant pathogens.
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