Tropical Plant Pathology (2019) 44, 401-408

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Margareth Divers, Cesar Bauer Gomes, Alexandre Carlos Menezes-Netto, Israel Lima-Medina, Aline Nondillo, Cristiano Bellé and Jerônimo Vieira De Araújo Filho (2019)
Diversity of plant-parasitic nematodes parasitising grapes in southern Brazil
Tropical Plant Pathology 44 (5), 401-408
Abstract: Historically, plant-parasitic nematodes (PPNs) have been an important pathogen of grapevine (Vitis vinifera L.) worldwide. In this study, we tested the hypothesis that PPNs are associated with grapevine decline disease and/or that they are potential pathogens. The community structure of PPNs was assessed based on morphological and morphometric measures. During the 2010/2011 and 2016/2017 seasons, soil and root samples were collected from 64 vineyards and two nurseries in the South of Brazil. We found large taxonomic diversity in the vineyards, with the species recorded more frequently belonging to the genera Helicotylenchus, Mesocriconema, Xiphinema, and Hemicycliophora. In the nurseries, the most frequent and abundant PPNs were Meloidogyne (M. incognita, M. javanica, M. arenaria, M. morocciensis and M. luci), Pratylenchus (P. brachyurus and P. zeae), Mesocriconema and Helicotylenchus. To our knowledge, this is the first report of PPNs community in Brazilian grapevine areas with the Decline disease and the first record of M. luci associated with grapevine in Brazil. Additional studies are needed evaluate resistance of rootstocks to the main PPNs associated with Decline disease in Brazil.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Full text of article
Database assignments for author(s): Israel Lima-Medina

Research topic(s) for pests/diseases/weeds:
surveys/sampling/distribution

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Meloidogyne javanica Grapevine (Vitis) Brazil (south)
Meloidogyne incognita Grapevine (Vitis) Brazil (south)
Meloidogyne arenaria Grapevine (Vitis) Brazil (south)
Pratylenchus brachyurus Grapevine (Vitis) Brazil (south)
Pratylenchus zeae Grapevine (Vitis) Brazil (south)
Meloidogyne luci Grapevine (Vitis) Brazil (south)
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