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Revista de Protección Vegetal
versión On-line ISSN 2224-4697
Resumen
GOMEZ, Lucila et al. INTERACTION BETWEEN ECOMIC® AND A CUBAN POPULATION OF Meloidogyne incognita IN TOMATO. Rev. Protección Veg. [online]. 2008, vol.23, n.2, pp. 90-98. ISSN 2224-4697.
The study of tactics for the root-knot nematode management in vegetable production under crop protected systems has been increased in Cuba in the last decade. The main goal of this work was to assess the relationship of ECOMIC®, a commercial product containing several mycorrhizal fungi, and a Cuban population of Meloidogyne incognita in tomato (Lycopersicon esculentum Mill var. Vyta). The experiment was carried out in a green house at CENSA using a completely randomized design. ECOMICâ was inoculated by seed pelleting or mixed with the seedbed substrate. The nematode dose used was 1.5 egg-J2. g soil-1. Gall index, infective juveniles in soil and root weight were evaluated. The percentage of colonization, the visual density and the mycellial weight were also estimated. ECOMICâ was shown to benefit root development despite the high value of the gall index (GI=4) in the inoculated plants. Root development was lower in the untreated plants with a GI=5. A decreased number of infective juveniles was observed in the soil with mycorrhized plants. The micorrhizal colonization was not affected by nematode establishment.
Palabras clave : mycorrhiza symbiosis; root-knot nematodes; Meloidogyne incognita; Lycopesicon esculentum.