Cryptic species in plant-parasitic nematodes

Author:

Palomares-Rius Juan E.1,Cantalapiedra-Navarrete Carolina1,Castillo Pablo1

Affiliation:

1. Institute for Sustainable Agriculture (IAS), Spanish National Research Council (CSIC), Alameda del Obispo s/n, Apdo. 4084, 14080 Córdoba, Campus de Excelencia Internacional Agroalimentario, ceiA3, Spain

Abstract

This paper summarises the current knowledge concerning cryptic species of plant-parasitic nematode and briefly reviews the different methods available for their detection and characterisation. Cryptic species represent an important component of biodiversity, such speciation being common among plant-parasitic nematodes and occurring in diverse groups with different life history traits, including the spiral, virus vector, root-lesion and false root-knot nematodes. Cryptic species are important for a number of reasons, including food security, quarantine, non-chemical management technologies and species conservation, and should not be ignored. The magnitude of the phenomenon is largely unknown, but the available data on plant-parasitic nematodes demonstrate that reliance on morphology alone for species delimitation seriously underestimates the total number of taxa. Future research should focus on appropriately designed case studies using combined approaches, including large-scale, whole sample analyses by next-generation sequencing or proteomics in order to be able to answer the many questions that still remain.

Publisher

Brill

Subject

Agronomy and Crop Science,Ecology, Evolution, Behavior and Systematics

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