Trichoderma spp. and their influence on the resilience of plantain plants to Ralstonia solanacearum (Smith) phylotype II

Ralstonia solanacearum Smith, the causal agent of bacterial moko, represents one of the main phytosanitary threats to Musaceae crops due to its high aggressiveness and wide distribution. To evaluate biological management strategies, the effect of Trichoderma spp. strains on disease severity and agronomic development of plantain plants (Musa AAB) obtained by tissue culture technique and inoculated with R. solanacearum was determined. The experiment was established under a completely randomized design with nine treatments, including a non-inoculated control (T8) and a control inoculated only with the pathogen (T9). Results showed that T6 (T. lentiforme F19) and T2 (T. harzianum F73) significantly reduced disease severity (p < 0.0001). Additionally, T6, T5 (T. lixii F17), and T4 (T. afroharzianum F78) promoted plant growth, with significant increases in plant height and pseudo-stem diameter. No significant differences were observed in leaf number (p > 0.05). These results confirm the potential of Trichoderma spp. as biocontrol agent and biostimulant in Musaceae, constituting a viable alternative within integrated management strategies for the mitigation of R. solanacearum in plantain crops.

• Autor principal: Terrero Yépez, Pedro Isaías (author)
• Altres autors: Factos, Nicole (author), Rodulfo, Paola (author), Solis, Karina (author), Molina, Carlos (author), Mayorga, Karen Rafaela (author)
• Format: article
• Idioma: spa; eng
• Publicat: 2025
• Matèries: Ralstonia solanacearum; Trichoderma spp.; biocontrol; Moko bacteriano; sostenibilidad agrícola; bacterial Moko; agricultural sustainability
• Accés en línia: https://revistadigital.uce.edu.ec/index.php/SIEMBRA/article/view/7943