Evidence map›Paper›PMID 40665387›Full record

ArticleBMC research notes2025

Nematode communities associated with papaya in Kenya: first report of Meloidogyne javanica and description of soil health in papaya fields.

Situma E Wanjala, Wim Bert, Marjolein Couvreur, Joseph O Maosa, Rose C Ramkat, Njira N Pili

Abstract read
In one paragraph

Article in BMC research notes, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Situma E WanjalaDepartment of Biological Sciences, Moi University, P.O. Box 3900-30100, Eldoret, Kenya.
Wim BertNematology Research Unit, Department of Biology, Ghent University, Ledeganckstraat 35, 9000, Gent, Belgium.
Marjolein CouvreurNematology Research Unit, Department of Biology, Ghent University, Ledeganckstraat 35, 9000, Gent, Belgium.
Joseph O MaosaNematology Research Unit, Department of Biology, Ghent University, Ledeganckstraat 35, 9000, Gent, Belgium.
Rose C RamkatDepartment of Biological Sciences, Moi University, P.O. Box 3900-30100, Eldoret, Kenya.
Njira N PiliDepartment of Biological Sciences, Moi University, P.O. Box 3900-30100, Eldoret, Kenya. jirapi1983@yahoo.com.

Funding

NEMEDUSSA 618814-1-BE-EPPKA2-CBHE-JPTEAM 2019 VLIR-UOS-KE2019TEA488A103
6 · The paper itself

Abstract

backgroundPlant-parasitic nematodes (PPNs) are major pathogens of fruit trees globally, causing substantial economic losses. In Kenya, research on papaya has focused primarily on viral diseases, particularly those caused by papaya ringspot virus, with no previous reports of PPNs occurrence.

objectivesThis study aimed to characterise the diversity of PPNs and FLNs in papaya fields in Elgeyo-Marakwet County, Kenya, and to assess the associated soil health status. Special emphasis was placed on evaluating FLNs as bioindicators of soil health.

methodsUsing the Baermann tray method, nematodes were extracted from 64 composite root and soil samples collected across 12 papaya fields in Elgeyo-Marakwet County. PPNs were identified to the genus level, with root-knot (RKN) Meloidogyne species identified by comparing their sequences with reference sequences and analysed using the PPNID tool. The FLNs were classified to the family level and analysed using NINJA software to assess soil health.

resultsFour PPN genera and six FLN families were identified, with Meloidogyne javanica being the only RKN, representing the first PPN report in papaya in Kenya. This raises concerns about potential interactions between M. javanica and viral pathogens, which could increase the incidence and severity of papaya ringspot disease. Metabolic footprint stress diagram analyses revealed fertile, mature soils capable of regulating opportunistic organisms, including PPNs.

conclusionUnderstanding soil health and nematode composition is essential for developing sustainable nematode management strategies to increase papaya yields.

Indexed as

CaricaPlant DiseasesSoilTylenchoideaAnimalsKenyaPlant RootsSoilColoniser-persister (c-p)Food webMaturity indexMetabolic footprintsN enrichmentRotylenchulus

Identifiers

PMID40665387
PMCPMC12265202

What OpenQuestion holds

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LicenceCC BY-NC-ND
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.