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Título

Host Suitability of the Olive Cultivars Arbequina and Picual for Plant-Parasitic Nematodes

AutorCastillo, Pablo ; Nico, Andrés I.; Jiménez-Díaz, Rafael M.
Palabras claveReproduction
Ring nematodes
Root-lesion nematodes
Spiral nematodes
Zygotylenchus guevarai.
Fecha de publicación2003
EditorSociety of Nematologists
CitaciónJournal of Nematology vol.35 no.1 (March 2003) p.29-34
ResumenHost suitability of olive cultivars Arbequina and Picual to several plant-parasitic nematodes was studied under controlled conditions. Arbequina and Picual were not suitable hosts for the root-lesion nematodes Pratylenchus fallax, P. thornei, and Zygotylenchus guevarai. However, the ring nematode Mesocriconema xenoplax and the spiral nematodes Helicotylenchus digonicus and H. pseudorobustus reproduced on both olive cultivars. The potential of Meloidogyne arenaria race 2, M. incognita race 1, and M. javanica, as well as P. vulnus and P. penetrans to damage olive cultivars, was also assessed. Picual planting stocks infected by root-knot nematodes showed a distinct yellowing affecting the uppermost leaves, followed by a partial defoliation. Symptoms were more severe on M. arenaria and M. javanica-infected plants than on M. incognita-infected plants. Inoculation of plants with 15,000 eggs + second-stage juveniles/pot of these Meloidogyne spp. suppressed the main height of shoot and number of nodes of Arbequina, but not Picual. Infection by each of the two lesion nematodes (5,000 nematodes/pot) or by each of the three Meloidogyne spp. suppressed (P 0.05) the main stem diameter of both cultivars. On Arbequina, the reproduction rate of Meloidogyne spp. was higher (P 0.05) than that of Pratylenchus spp.; on Picual, Pratylenchus spp. reproduction was higher (P 0.05) than that of Meloidogyne spp.
Versión del editorhttp://fulltext10.fcla.edu/DLData/SN/SN0022300X/0035_001/29.pdf
URIhttp://hdl.handle.net/10261/10921
ISSN0022-300X
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