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Ciência Rural

versão impressa ISSN 0103-8478

Resumo

CANTU, Rafael Ricardo; REBELO, José Angelo; MILANESI, Paola Mendes  e  GOTO, Rumy. Reaction and resistance of tomato rootstock to Fusarium wilt. Cienc. Rural [online]. 2014, vol.44, n.7, pp.1155-1158. ISSN 0103-8478.  https://doi.org/10.1590/0103-8478cr20130843.

The aim of this research was to verify the reaction of tomato rootstocks to race 3 of F. oxysporum f. sp. lycopersici and his resistance to races 1 and 2. It was tested the rootstocks: Guardião, Helper-M, Anchor-T, Dr K, Kagemusha, Block, Magnet and He-man and, as a control, the cultivars 'Kada', 'Santa Clara', 'Gisele', 'BHRS 2,3'. The experimental design was a completely randomized type, with split-plots and 5 replicates. The rootstocks and cultivars were allocated in principal plot, and the 3 races of F. oxysporum f. sp. lycopersici, in the sub-plots. The plants were inoculated and maintained in vegetation house with temperature and humidity controlled. The rootstock was assessed by the severity of disease infection in the xylem. All rootstock were resistant to races 1 and 2 of F. oxysporum f. sp. lycopersici and only Guardian and Block were resistant to race 3.

Palavras-chave : Solanum lycopersicon; Fusarium oxysporum f. sp. lycopersici; races; grafting.

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