What question did this study set out to answer?

To assess the occurrence, abundance, community structure, and plant-virus vector relevance of plant-parasitic nematode genera across potato production fields.

August 15, 2026HorticulturaeOpen Access

Diversity, Abundance and Virus-Vector Relevance of Plant-Parasitic Nematode Genera in Potato Fields of Limpopo Province, South Africa

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Authors

NCNyasha Esnath ChiutaUniversity of Fort Hare PMP. W. MashelaAgricultural Research Council of South Africa KPKabo Martha PofuUniversity of Limpopo

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Implication

Field survey uncovers high plant-parasitic nematode prevalence and identifies the tobravirus vector Nanidorus in potato fields, highlighting the need for targeted pest surveillance.

Key Points

To assess the occurrence, abundance, community structure, and plant-virus vector relevance of plant-parasitic nematode genera across potato production fields.
Surveyed 30 potato fields across four districts in Limpopo Province, South Africa, collecting composite root-zone soil samples during autumn 2019.
Extracted nematodes from 250 cm³ soil subsamples to identify genera and calculate plant-parasitic percentage, Wasilewska Index, and Nematode Channel Ratio.
Detected 10 plant-parasitic nematode genera in 83.3% of surveyed fields (25 of 30), with Meloidogyne showing the highest mean density and prominence value.
Found that Meloidogyne and Helicotylenchus were the most frequent genera, with the Waterberg district showing the highest median plant-parasitic percentage.
Identified Nanidorus as the sole detected genus belonging to a family with established tobravirus-vector potential.

Cite This Study

Chiuta et al. (2026) studied this question.

synapsesocial.com/papers/6a8019db75c2e31742c86142 https://doi.org/10.3390/horticulturae12081001

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Implication

Field survey uncovers high plant-parasitic nematode prevalence and identifies the tobravirus vector Nanidorus in potato fields, highlighting the need for targeted pest surveillance.

Diversity, Abundance and Virus-Vector Relevance of Plant-Parasitic Nematode Genera in Potato Fields of Limpopo Province, South Africa

Discussion

Member takes

Implication

Key Points

Cite This Study

Diversity, Abundance and Virus-Vector Relevance of Plant-Parasitic Nematode Genera in Potato Fields of Limpopo Province, South Africa

Discussion

Member takes

Implication

Key Points

Cite This Study

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