Boutheina Mejdoub-Trabelsi
Institute Supérieur Agronomique de Chott-Mariem,
Université de Sousse, 4042, Chott-Mariem
Tunisia
Research Article
Interactions between Four Fusarium Species in Potato Tubers and Consequences for Fungal Development and Susceptibility Assessment of
Five Potato Cultivars under Different Storage Temperature
Author(s): Boutheina Mejdoub-Trabelsi, Hayfa Jabnoun-Khiareddine and Mejda Daami-Remadi
Boutheina Mejdoub-Trabelsi, Hayfa Jabnoun-Khiareddine and Mejda Daami-Remadi
Fusarium dry rot of potato caused by F. sambucinum, F. oxysporum, F. solani and F. graminearum is particularly prominent in Tunisia resulting in partial or complete tuber decay during storage. This fungal complex can occur within the same potato tuber. Cultivar’s reaction to different mixtures depending on the temperature of storage used can give additional information on their relative aggressiveness. Thus, interactions between these Fusarium species was investigated using single and mixed infection onto five local potato cultivars (Spunta, Oceania, Nicola, Mondial and Atlas) under two temperatures (20 and 30°C). Data indicated that the lesion diameter and the penetration of dry rot, noted 21 days post-inoculation, varied significantly depending on cultivars, inoculation treatments and temperatures of storage tested and their interactions. The combination o.. View More»