1996
DOI: 10.1007/bf02257523
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Interactions between migratory endoparasitic nematodes and arbuscular mycorrhizal fungi in perennial crops: A review

Abstract: The root-lesion nematodes are important pests attacking stone and pome fruit crops throughout the world. They play an important role in the development of orchard replant problems. Host resistance to Pratylenchus vutnus, the nematode of concern in mediterranean environments, has been difficult to find, and even more, to transmit into commercial rootstocks. Alternative management measures using early mycorrhizal infection that would confer protection against the nematode at a stage when plants are most vulnerab… Show more

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Cited by 93 publications
(44 citation statements)
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“…The decrease in plant shoot development associated with nematode parasitism usually is related to the interruption of water and nutrients translocation by the giant cells (Cofcewicz et al, 2001). In spite of some results (Pandey et al, 1999;Pinochet et al, 1996) showing tolerance of mycorrhizal plants to nematode infection, in this study the seedlings were intolerant to parasitism of M. incognita, even in the presence of S. heterogama, when both (AM fungus and nematode) were simultaneously inoculated. The high severity of symptoms in control soils could be a result of secondary infections by other pathogenic microorganisms (Agrios, 1988).…”
Section: Discussioncontrasting
confidence: 62%
“…The decrease in plant shoot development associated with nematode parasitism usually is related to the interruption of water and nutrients translocation by the giant cells (Cofcewicz et al, 2001). In spite of some results (Pandey et al, 1999;Pinochet et al, 1996) showing tolerance of mycorrhizal plants to nematode infection, in this study the seedlings were intolerant to parasitism of M. incognita, even in the presence of S. heterogama, when both (AM fungus and nematode) were simultaneously inoculated. The high severity of symptoms in control soils could be a result of secondary infections by other pathogenic microorganisms (Agrios, 1988).…”
Section: Discussioncontrasting
confidence: 62%
“…Cette réduction de la susceptibilité aux infections n'est généralement efficace que lorsqu'une symbiose fonctionnelle s'établit préalablement à l'attaque du parasite car, dans la majorité des cas, ces derniers, une fois en contact avec leur hôte, envahissent nettement plus rapidement les tissus végétaux que les champignons mycorhiziens. Dans le cadre d'une analyse détaillée des résultats expérimentaux publiés disponibles, Pinochet et al (1996) ont mis en évi-dence qu'effectivement il existe un facteur de cause à effet entre la nutrition améliorée des plantes mycorhizées et leur résistance aux attaques de parasites, mais que ce facteur ne compte que pour une partie seulement de la protection. Ainsi, dans le cas de la fusariose de la tomate, une nutrition optimale en phosphore n'atténue pas les symptômes de la maladie (Caron et al 1986), ce qui indique clairement que d'autres mécanismes de protection viennent se greffer à la nutrition comme facteur de protection.…”
Section: Croissance Et Nutritionunclassified
“…Lors d'infections parasitaires diverses, on note que dans 50 % des cas les MA réduisent la croissance de parasites, alors que dans 32 % des cas elles suppriment leur action néfaste et dans seulement 16 % des cas le développement des mycorhizes est négative-ment affecté par le parasite (Borowicz 2001;Pinochet et al 1996). L'interprétation de ces statistiques doit toutefois se faire prudemment.…”
Section: Interactions Mycorhize -Parasiteunclassified
“…Considering the role of AMF in plant growth stimulation and protection (Pinochet et al, 1996;Calvet et al, 2001;Hernández-Dorrego, 2002;Sorensen et al, 2005;Jaizme-Vega et al, 2006;Barea et al, 2008), the objective of this work was to test the effect of twenty-five commercial fungicides which are among the most active chemicals currently applied in horticultural crops on the mycorrhizal symbiosis established by Glomus intraradices and Glomus mosseae isolates from commercial inocula, in leek (Allium porrum L.) seedlings under controlled conditions.…”
Section: Introductionmentioning
confidence: 99%