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Summa Phytopathologica

versão impressa ISSN 0100-5405versão On-line ISSN 1980-5454

Resumo

CANTU, Rafael Ricardo; WILCKEN, Silvia Renata Siciliano; ROSA, Juliana Magrinelli Osório  e  GOTO, Rumy. Reaction of commercial tomato rootstocks plant to Meloidogyne mayaguensis. Summa phytopathol. [online]. 2009, vol.35, n.3, pp.216-218. ISSN 0100-5405.  http://dx.doi.org/10.1590/S0100-54052009000300009.

The objective of this research was to verify the resistance response of eight Brazilian commercial tomato rootstocks to the nematode Meloidogyne mayaguensis. The studied rootstocks were: 'Guardião', 'Helper-M', 'Anchor-T', 'Dr. K', 'Kagemuscha', 'TMA 809', 'Magnet' and 'He-Man'. The experiment consisted of 9 treatments (8 rootstocks and 'Rutgers' used as susceptible control), with 6 replication. Each plot was constituted by 1 plant per pot, maintained in green-house. The plants were inoculated with 5,000 eggs and second stage juvenile of M. mayaguensis. The experimental design was completely randomized. The evaluation was 60 days after inoculation, when the root weight, gall and egg mass index, nematode number in soil and in root and reproduction factor were evaluated. All studied rootstocks were susceptible to M. mayaguensis.

Palavras-chave : tomato plant; grafting; root-knot nematode.

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