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Journal of Agronomy
Year: 2006  |  Volume: 5  |  Issue: 3  |  Page No.: 430 - 434

Effect of Potato Cultivars on Incidence of Fusarium oxysporum f.sp. tuberosi and its Transmission to Progeny Tubers

F. Ayed, M. Daami-Remadi, H. Jabnoun-Khiareddine and M. El Mahjoub    

Abstract: Behaviour of some potato cultivars to Fusarium wilt caused by Fusarium oxysporum f.sp. tuberosi was studied. Plants were inoculated after two weeks by irrigation with a conidial suspension (107 spores mL-1). Variations of Fusarium wilt incidence were observed on potato 14 cultivars. Cv. Baraka was the most tolerant, Lyra and Platina were the most susceptible and Asterix, Alaska, Safrane and Timate were found to be intermediate with various degrees of response. Pathogen transmission to progeny tubers was assessed by planting daughter tubers coming from inoculated and non inoculated plants. Differences in incidence of cultivar susceptibility were significant. Disease incidence of Latona and Timate was the most and the least important, respectively.

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