Identification of the resistance breaking populations of Meloidogyne on tomatoes in Morocco and their effect on new sources of resistance

Mohamed Eddaoudi, Mohamed Ammati, Abdallah Rammah

Research output: Contribution to journalArticlepeer-review

65 Scopus citations

Abstract

Twenty five isolates of Meloidogyne collected in two Moroccan vegetables growing areas (Oualidia and Souss-Massa) were identified by esterase profiles. 80-82 % of isolates were from M. javanica and 18-20 % were from M. incognita. The former species was found on crops grown in plastic greenhouses, as well as on crops grown in open field, mainly tomato, eggplant, melon, and banana, and on weeds. M. incognita was found on sweet pepper and carnation grown under plastic greenhouses and on tomato grown in open field. Of the twenty isolates of Meloidogyne tested, nine tomato resistance breaking isolates of M. javanica were found virulent on the cv. Darus, and six of them were virulent on the cv. VFN8. Additional sources of resistance in Lycopersicon peruvianum P1270435 and in L. peruvianum var. glandulosum PI126443 were resistant to some extent to the tested M. javanica isolates.

Original languageEnglish (US)
Pages (from-to)285-289
Number of pages5
JournalFundamental and Applied Nematology
Volume20
Issue number3
StatePublished - 1997
Externally publishedYes

Keywords

  • Meloidogyne
  • banana
  • nematodes
  • open field
  • plastic green houses
  • resistance
  • tomato
  • vegetables

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology
  • Immunology

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