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Prevalence
and ecological factors affecting the distribution of plant-parasitic nematodes
in Prunus groves in Spain
Ilenia Clavero-Camacho, Antonio Archidona-Yuste, Carolina Cantalapiedra-Navarrete, Pablo Castillo, Juan Emilio Palomares-Rius
2024, 23 (2):
566-589.
DOI: 10.1016/j.jia.2023.02.033
A wide survey was
conducted to study plant-parasitic nematodes (PPNs) associated with Prunus groves in
Spain. This research aimed to determine
the prevalence and distribution of PPNs in Prunus groves, as well as the
influence of explanatory variables describing soil, climate and agricultural
management in structuring the variation of PPNs community composition. A total of 218 sampling sites were surveyed
and 84 PPN species belonging to 32 genera were identified based of an
integrative taxonomic approach. PPN species
considered as potential limiting factors in Prunus production, such as Meloidogyne arenaria, M. incognita, M. javanica, Pratylenchus penetrans and P. vulnus, were
identified in this survey. Seven soil
physico-chemical (C, Mg, N, Na, OM, P, pH and clay, loamy sand and sandy loam
texture classes), four climate (Bio04, Bio05, Bio13 and Bio14) and four
agricultural management variables (grove-use history less than 10 years,
irrigation, apricot seedling rootstock, and Montclar rootstock) were identified
as the most influential variables driving spatial patterns of PPNs
communities. In particular, younger
plantations showed higher values for species richness and diversity indices
than groves cultivated for more than 20 years with Prunus spp. Our study increases the knowledge of the
distribution and prevalence of PPNs associated with Prunus rhizosphere,
as well as on the influence of explanatory variables driving the spatial
structure PPNs communities, which has important implications for the successful
design of sustainable management strategies in the future in this agricultural
system.
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