RESPONSE OF CITRUS-LIMON SEEDLINGS TO A SYMBIONT, GLOMUS-ETUNICATUS, AND A PATHOGEN, RADOPHOLUS-SIMILIS

  • 1 January 1979
    • journal article
    • research article
    • Vol. 11  (3) , 270-275
Abstract
The influences of a vesicular-arbuscular mycorrhiza [VAM] (G. etunicatus) and burrowing nematode (R. similis), alone and in combination, on the growth of rough lemon (C. limon) seedlings were studied in the greenhouse. Growth of mycorrhizal seedlings was significantly greater than that of nonmycorrhizal seedlings or seedlings inoculated with R. similis. Mycorrhizal stimulation of seedling growth was inhibited by nematode infection. When seedlings were inoculated with G. etunicatus and R. similis, suppression of seedling growth by R. similis was less on VAM seedlings than on nonmycorrhizal seedlings. Nonmycorrhizal seedlings infected with R. similis were significantly smaller than nonmycorrhizal seedlings free of R. similis. Vesicle formation and mycelia growth were less in nematode-infected roots.

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