First Report of the Root Lesion Nematode, Pratylenchus hippeastri, on Apple in South Africa

Root lesion nematodes (Pratylenchus spp.) are the most common plant-parasitic nematodes present in apple orchards in South Africa. During a survey conducted in 2017 and 2018 in the main apple production regions in South Africa, P. hippeastri was detected in 85% of samples that contained root lesion...

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Bibliographic Details
Published inJournal of plant diseases and protection (2006) Vol. 126; no. 6; pp. 607 - 609
Main Authors Knoetze, R., van den Berg, E., Girgan, C., van der Walt, L.
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Verlag Eugen Ulmer KG 01.12.2019
Springer Berlin Heidelberg
Subjects
Biomedical and Life Sciences
Life Sciences
Plant Pathology
Plant Physiology
Plant Sciences
SHORT COMMUNICATION
Apple
Survey
Molecular
Morphology
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Summary:Root lesion nematodes (Pratylenchus spp.) are the most common plant-parasitic nematodes present in apple orchards in South Africa. During a survey conducted in 2017 and 2018 in the main apple production regions in South Africa, P. hippeastri was detected in 85% of samples that contained root lesion nematodes. Morphological and morphometric characters as well as DNA sequencing of the D2–D3 expansion segments of 28S rRNA confirmed the identity of the nematodes extracted from apple roots. Apple rootstocks supported reproduction of these nematodes with an average reproduction factor of 14, measured 90 days after inoculation. This study confirms the host status of apple (Malus domestica Borkh.) for P. hippeastri and is the first record of P. hippeastri in South Africa.
ISSN:1861-3829
1861-3837
DOI:10.1007/s41348-019-00259-z