Meloidogyne javanica 157 claims

species · family Meloidogynidae · animal · NCBI Taxonomy ↗

Common name: root-knot nematode — Also written in claims: M javanica · M.javanica — NCBI synonyms: Heterodera javanica

4 spellings

Questions studied on this organism4 questions6 papers

157 claims

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Observationobservedoriginal resultmeasured

Claim · model-written summary

M. javanica was identified and reported for the first time in Croatia.

Taxon: M. javanicaMeloidogyne javanicae0
Outcome: identifiede0
Qualifier: for the first time in Croatiae0
Setting: Croatiae0

Verbatim

e0
“Four species were identified: M. incognita, M. hapla, M. arenaria, and M. javanica. Notably, M. incognita and M. javanica are reported here for the first time in Croatia.”
✓ located verbatim in the source · abstract, characters 1000–1170

Title

Monitoring of Root-Knot Nematodes (Meloidogyne spp.) in Croatia (2022–2024): Occurrence, Distribution and Species Identification

Tamara Rehak Biondić; Jasna Milanović; Ivan Poje; et al. Agronomy 2025. doi:10.3390/agronomy15112492

Other claims from this paper (4)

Observation Meloidogyne occurred in 61 of 210 samples, an infestation rate of 29%.
Observation M. incognita was identified and reported for the first time in Croatia.
Observation M. hapla was identified.
Observation M. arenaria was identified.

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Meloidogyne javanica mortality showed minor significant differences with no clear dose response.

Taxon: Meloidogyne javanicaMeloidogyne javanicae0
Organ / stage: larvae, J2se0
Treatment: extractse0
Outcome: nematode mortalitye1
Qualifier: no clear dose-responsee1

Not reportedComparatorDirection

Verbatim

e0
“The effect of the same extracts in the free leaving larvae, J2s, of the plant-parasitic nematode (PPN) Meloidogyne javanica was not obvious.”
✓ located verbatim in the source · abstract, characters 1546–1686

e1
“Minor significant differences were obtained but with no clear dose-response in nematode mortality”
✓ located verbatim in the source · abstract, characters 1687–1784

Title

Glucosinolate-extracts from residues of conventional and organic cultivated broccoli leaves (Brassica oleracea var. italica) as potential industrially-scalable efficient biopesticides against fungi, oomycetes and plant parasitic nematodes

Daniel Eugui; Pablo Velasco; Patricia Abril-Urías; et al. Industrial Crops and Products 2023. doi:10.1016/j.indcrop.2023.116841

Other claims from this paper (12)

Intervention effect Lyophilization did not influence broccoli extract glucosinolate content.
Intervention effect Storage at −20ºC versus −80ºC did not influence extract glucosinolate content.
Intervention effect Extracts were phytotoxic above 10% dilution in the tested plant seeds.
Observation Extract cytotoxicity to human liver cells was low.
Intervention effect At 2% dilution extracts reduced Alternaria alternata growth by up to 38.37%.
Intervention effect At 2% dilution extracts reduced Sclerotinia sclerotiorum growth by up to 46.55%.
Intervention effect Adding myrosinase enhanced extract inhibition of A. alternata to 67.06% in solid medium.
Intervention effect Adding myrosinase enhanced extract inhibition of Rhizoctonia solani to 68.52% in liquid medium.
Intervention effect Extracts increased Pythium ultimum growth.
Intervention effect Extracts increased Phytophthora cactorum growth.
Intervention effect Extracts did not inhibit Meloidogyne javanica egg hatching.
Recommendation Broccoli residues have industrial potential for producing antifungal biopesticide extracts.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Extracts did not inhibit Meloidogyne javanica egg hatching.

Taxon: Meloidogyne javanicaMeloidogyne javanicae0
Treatment: extractse0
Outcome: eggs hatchinge1
Direction: no inhibitione1

Not reportedComparator

Verbatim

e0
“The effect of the same extracts in the free leaving larvae, J2s, of the plant-parasitic nematode (PPN) Meloidogyne javanica was not obvious.”
✓ located verbatim in the source · abstract, characters 1546–1686

e1
“no inhibition of eggs hatching was observed”
✓ located verbatim in the source · abstract, characters 1790–1833

Title

Daniel Eugui; Pablo Velasco; Patricia Abril-Urías; et al. Industrial Crops and Products 2023. doi:10.1016/j.indcrop.2023.116841

Other claims from this paper (12)

Intervention effect Lyophilization did not influence broccoli extract glucosinolate content.
Intervention effect Storage at −20ºC versus −80ºC did not influence extract glucosinolate content.
Intervention effect Extracts were phytotoxic above 10% dilution in the tested plant seeds.
Observation Extract cytotoxicity to human liver cells was low.
Intervention effect At 2% dilution extracts reduced Alternaria alternata growth by up to 38.37%.
Intervention effect At 2% dilution extracts reduced Sclerotinia sclerotiorum growth by up to 46.55%.
Intervention effect Adding myrosinase enhanced extract inhibition of A. alternata to 67.06% in solid medium.
Intervention effect Adding myrosinase enhanced extract inhibition of Rhizoctonia solani to 68.52% in liquid medium.
Intervention effect Extracts increased Pythium ultimum growth.
Intervention effect Extracts increased Phytophthora cactorum growth.
Intervention effect Meloidogyne javanica mortality showed minor significant differences with no clear dose response.
Recommendation Broccoli residues have industrial potential for producing antifungal biopesticide extracts.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Fluensulfone did not inhibit M. javanica infection when lettuce was planted immediately after inoculation.

Taxon: Meloidogyne javanicaMeloidogyne javanicae1
Treatment: Fluensulfonee0
Interactor: lettuceLactuca sativae0host
Outcome: infectione0
Direction: did not inhibite0
Qualifier: if the lettuce was planted immediately after inoculatione0

Not reportedComparator

Verbatim

e0
“Fluensulfone did not inhibit infection by either species if the lettuce was planted immediately after inoculation”
✓ located verbatim in the source · abstract, characters 814–927

e1
“Second-stage juveniles (J2) of Meloidogyne javanica and M. incognita were introduced to the agar plate immediately after planting.”
✓ located verbatim in the source · abstract, characters 341–471

Title

Bioassay to characterise the effects of nematicidal compounds on Meloidogyne species

Yuji Oka Nematology 2023. doi:10.1163/15685411-bja10294

Other claims from this paper (9)

Intervention effect Fluensulfone did not inhibit M. incognita infection when lettuce was planted immediately after inoculation.
Intervention effect Fluensulfone reduced M. javanica infection rates when lettuce was planted two days after inoculation.
Intervention effect Fluensulfone reduced infection rates especially in M. incognita when lettuce was planted two days later.
Intervention effect Fluopyram reduced M. javanica infection by more than 83.3% relative to the control, even without 48 hours of exposure before planting.
Intervention effect Fluopyram reduced M. incognita infection by less than 58.4% relative to the control.
Intervention effect Fluazaindolizine reduced M. incognita infection by more than 83.3%.
Observation M. incognita juveniles were attracted to lettuce roots despite fluazaindolizine treatment.
Association Lettuce root lengths reflected differences in infection severity.
Method / resource The assay distinguished effects of the three nematicides on the two Meloidogyne species and can screen compounds inhibiting infection without killing juveniles.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Fluensulfone reduced M. javanica infection rates when lettuce was planted two days after inoculation.

Taxon: Meloidogyne javanicaMeloidogyne javanicae1
Treatment: Fluensulfonee0
Interactor: lettuceLactuca sativae0host
Outcome: infection ratese0
Direction: reducede0
Qualifier: when lettuce seeds were planted 2 days latere0

Not reportedComparator

Verbatim

e0
“Fluensulfone did not inhibit infection by either species if the lettuce was planted immediately after inoculation, but their infection rates, and especially those of M. incognita , were reduced when lettuce seeds were planted 2 days later.”
✓ located verbatim in the source · abstract, characters 814–1053

e1
“Second-stage juveniles (J2) of Meloidogyne javanica and M. incognita were introduced to the agar plate immediately after planting.”
✓ located verbatim in the source · abstract, characters 341–471

Title

Bioassay to characterise the effects of nematicidal compounds on Meloidogyne species

Yuji Oka Nematology 2023. doi:10.1163/15685411-bja10294

Other claims from this paper (9)

Intervention effect Fluensulfone did not inhibit M. javanica infection when lettuce was planted immediately after inoculation.
Intervention effect Fluensulfone did not inhibit M. incognita infection when lettuce was planted immediately after inoculation.
Intervention effect Fluensulfone reduced infection rates especially in M. incognita when lettuce was planted two days later.
Intervention effect Fluopyram reduced M. javanica infection by more than 83.3% relative to the control, even without 48 hours of exposure before planting.
Intervention effect Fluopyram reduced M. incognita infection by less than 58.4% relative to the control.
Intervention effect Fluazaindolizine reduced M. incognita infection by more than 83.3%.
Observation M. incognita juveniles were attracted to lettuce roots despite fluazaindolizine treatment.
Association Lettuce root lengths reflected differences in infection severity.
Method / resource The assay distinguished effects of the three nematicides on the two Meloidogyne species and can screen compounds inhibiting infection without killing juveniles.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Fluopyram reduced M. javanica infection by more than 83.3% relative to the control, even without 48 hours of exposure before planting.

Taxon: M. javanicaMeloidogyne javanicae0
Treatment: Fluopyrame0
Interactor: lettuceLactuca sativae1host
Outcome: infectione0
Direction: reducede0
Value: >83.3%e0
Qualifier: even without 48 h exposure before plantinge0
Comparator: controle0

Verbatim

e0
“Fluopyram reduced infection with M. javanica J2 at higher rates (>83.3%) than for M. incognita J2 (<58.4%) compared to the control, even without 48 h exposure before planting.”
✓ located verbatim in the source · abstract, characters 1054–1229

e1
“Germinating lettuce seeds with ca 2-3 mm roots were planted”
✓ located verbatim in the source · abstract, characters 216–275

Title

Bioassay to characterise the effects of nematicidal compounds on Meloidogyne species

Yuji Oka Nematology 2023. doi:10.1163/15685411-bja10294

Other claims from this paper (9)

Intervention effect Fluensulfone did not inhibit M. javanica infection when lettuce was planted immediately after inoculation.
Intervention effect Fluensulfone did not inhibit M. incognita infection when lettuce was planted immediately after inoculation.
Intervention effect Fluensulfone reduced M. javanica infection rates when lettuce was planted two days after inoculation.
Intervention effect Fluensulfone reduced infection rates especially in M. incognita when lettuce was planted two days later.
Intervention effect Fluopyram reduced M. incognita infection by less than 58.4% relative to the control.
Intervention effect Fluazaindolizine reduced M. incognita infection by more than 83.3%.
Observation M. incognita juveniles were attracted to lettuce roots despite fluazaindolizine treatment.
Association Lettuce root lengths reflected differences in infection severity.
Method / resource The assay distinguished effects of the three nematicides on the two Meloidogyne species and can screen compounds inhibiting infection without killing juveniles.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Only 2% of M. javanica eggs hatched when exposed to the metabolites of each bacterial strain in laboratory experiments.

Taxon: M. javanicaMeloidogyne javanicae1
Treatment: exposed to the metabolites of each bacterial straine1
Interactor: M. javanicaMeloidogyne javanicae1pest
Outcome: eggs hatchede1
Direction: decreaseinferrede1
Value: 2%e1

Not reportedComparator

Verbatim

e1
“only 2% of M. javanica eggs hatched when exposed to the metabolites of each bacterial strain”
✓ located verbatim in the source · abstract, characters 417–509

Title

Observations on the interaction between plant growth‐promoting bacteria and the root‐knot nematode Meloidogyne javanica

Aoife Egan; Thomais Kakouli‐Duarte MicrobiologyOpen 2022. doi:10.1002/mbo3.1319

Other claims from this paper (10)

Intervention effect 100% of M. javanica J2 died when exposed to the metabolites of strains F113 and L228.
Intervention effect M. javanica-infected tomato plants inoculated with strains F113 and L124 had the highest biomass (height, leaf number, fresh and dry weight) of all bacterial treatments in the greenhouse.
Intervention effect Strains F113 and L321 had the most effective biocontrol capacity over nematode infection in tomato.
Intervention effect Strains F113 and L321 delayed nematode development (J3/J4, adults and galls) on tomato.
Intervention effect Strains F113 and L321 reduced nematode fecundity on tomato.
Intervention effect Strain L124 is an effective plant growth promoter of tomato plants.
Intervention effect Strain L321 was capable of biocontrol of M. javanica.
Intervention effect P. fluorescens F113 was effective at increasing tomato plant biomass.
Intervention effect P. fluorescens F113 was effective at M. javanica biocontrol.
Recommendation The authors recommend applying successional drenches with these plant growth promoting rhizobacteria to keep bacteria viable in the rhizosphere, encourage positive plant-bacterial interactions and increase biocontrol against M. javanica.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

100% of M. javanica J2 died when exposed to the metabolites of strains F113 and L228.

Taxon: M. javanicaMeloidogyne javanicae1
Treatment: exposed to the metabolites of F113 and L228e1
Interactor: M. javanicaMeloidogyne javanicae1pest
Outcome: J2 mortalitye1
Direction: increaseinferrede1
Value: 100%e1

Not reportedComparator

Verbatim

e1
“100% M. javanica J2 mortality was recorded when nematodes were exposed to the metabolites of F113 and L228”
✓ located verbatim in the source · abstract, characters 525–631

Title

Observations on the interaction between plant growth‐promoting bacteria and the root‐knot nematode Meloidogyne javanica

Aoife Egan; Thomais Kakouli‐Duarte MicrobiologyOpen 2022. doi:10.1002/mbo3.1319

Other claims from this paper (10)

Intervention effect Only 2% of M. javanica eggs hatched when exposed to the metabolites of each bacterial strain in laboratory experiments.
Intervention effect M. javanica-infected tomato plants inoculated with strains F113 and L124 had the highest biomass (height, leaf number, fresh and dry weight) of all bacterial treatments in the greenhouse.
Intervention effect Strains F113 and L321 had the most effective biocontrol capacity over nematode infection in tomato.
Intervention effect Strains F113 and L321 delayed nematode development (J3/J4, adults and galls) on tomato.
Intervention effect Strains F113 and L321 reduced nematode fecundity on tomato.
Intervention effect Strain L124 is an effective plant growth promoter of tomato plants.
Intervention effect Strain L321 was capable of biocontrol of M. javanica.
Intervention effect P. fluorescens F113 was effective at increasing tomato plant biomass.
Intervention effect P. fluorescens F113 was effective at M. javanica biocontrol.
Recommendation The authors recommend applying successional drenches with these plant growth promoting rhizobacteria to keep bacteria viable in the rhizosphere, encourage positive plant-bacterial interactions and increase biocontrol against M. javanica.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

T. longibrachiatum caused more than 60% juvenile mortality under laboratory conditions.

Taxon: Meloidogyne javanicaMeloidogyne javanicae1
Treatment: T. longibrachiatume0
Interactor: T. longibrachiatumTrichoderma longibrachiatume0biocontrol_agent
Outcome: juvenile mortalitye0
Direction: most effectivee0
Value: more than 60%e0
Setting: laboratory conditionse0

Not reportedComparator

Verbatim

e0
“The laboratory assays revealed that T. longibrachiatum, M. chlamydoporia, and Lecanicillium spp. seemed to be the most effective under laboratory conditions, with more than 60% of juvenile mortality.”
✓ located verbatim in the source · abstract, characters 827–1026

e1
“root-knot nematode (RKN), Meloidogyne javanica, infecting tomato”
✓ located verbatim in the source · abstract, characters 100–164

Title

Comparative Effectiveness of Filamentous Fungi in Biocontrol of Meloidogyne javanica and Activated Defense Mechanisms on Tomato

Lobna Hajji-Hedfi; Wassila Hlaoua; Awatif A. Al-Judaibi; et al. Journal of Fungi 2022. doi:10.3390/jof9010037

Other claims from this paper (19)

Intervention effect M. chlamydoporia caused more than 60% juvenile mortality under laboratory conditions.
Intervention effect Lecanicillium spp. caused more than 60% juvenile mortality under laboratory conditions.
Observation The egg infection rate exceeded 62%.
Observation The egg hatching rate was below 32%.
Observation Scanning electron microscopy confirmed direct parasitism by all five fungal taxa.
Mechanism T. longibrachiatum adhered hyphae and spores to nematode cuticles and formed trapping rings.
Mechanism T. harzianum adhered hyphae and spores to nematode cuticles and formed trapping rings.
Mechanism M. chlamydosporia adhered hyphae and spores to nematode cuticles and formed trapping rings.
Intervention effect T. harzianum enhanced tomato plant growth parameters in pots.
Intervention effect Lecanicillium spp. enhanced tomato plant growth parameters in pots.
Intervention effect Trichoderma longibrachiatum decreased nematode reproduction rates.
Intervention effect Abamectin decreased nematode reproduction rates.
Intervention effect Ethoprophos-based nematicides decreased nematode reproduction rates.
Intervention effect Trichoderma species significantly reduced root-knot nematode gall index and female fecundity.
Intervention effect M. chlamydosporia significantly reduced root-knot nematode gall index and female fecundity.
Intervention effect BCAs significantly increased antioxidant activities of infected tomato plants.
Intervention effect Chemical nematicides significantly increased antioxidant activities of infected tomato plants.
Intervention effect Ethoprophos decreased MDA and total phenols relative to nematode-infested seedlings.
Intervention effect Fungal treatments decreased MDA and total phenols relative to nematode-infested seedlings.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

M. chlamydoporia caused more than 60% juvenile mortality under laboratory conditions.

Taxon: Meloidogyne javanicaMeloidogyne javanicae1
Treatment: M. chlamydoporiae0
Interactor: M. chlamydoporiae0biocontrol_agent
Outcome: juvenile mortalitye0
Direction: most effectivee0
Value: more than 60%e0
Setting: laboratory conditionse0

Not reportedComparator

Verbatim

e0
“The laboratory assays revealed that T. longibrachiatum, M. chlamydoporia, and Lecanicillium spp. seemed to be the most effective under laboratory conditions, with more than 60% of juvenile mortality.”
✓ located verbatim in the source · abstract, characters 827–1026

e1
“root-knot nematode (RKN), Meloidogyne javanica, infecting tomato”
✓ located verbatim in the source · abstract, characters 100–164

Title

Comparative Effectiveness of Filamentous Fungi in Biocontrol of Meloidogyne javanica and Activated Defense Mechanisms on Tomato

Lobna Hajji-Hedfi; Wassila Hlaoua; Awatif A. Al-Judaibi; et al. Journal of Fungi 2022. doi:10.3390/jof9010037

Other claims from this paper (19)

Intervention effect T. longibrachiatum caused more than 60% juvenile mortality under laboratory conditions.
Intervention effect Lecanicillium spp. caused more than 60% juvenile mortality under laboratory conditions.
Observation The egg infection rate exceeded 62%.
Observation The egg hatching rate was below 32%.
Observation Scanning electron microscopy confirmed direct parasitism by all five fungal taxa.
Mechanism T. longibrachiatum adhered hyphae and spores to nematode cuticles and formed trapping rings.
Mechanism T. harzianum adhered hyphae and spores to nematode cuticles and formed trapping rings.
Mechanism M. chlamydosporia adhered hyphae and spores to nematode cuticles and formed trapping rings.
Intervention effect T. harzianum enhanced tomato plant growth parameters in pots.
Intervention effect Lecanicillium spp. enhanced tomato plant growth parameters in pots.
Intervention effect Trichoderma longibrachiatum decreased nematode reproduction rates.
Intervention effect Abamectin decreased nematode reproduction rates.
Intervention effect Ethoprophos-based nematicides decreased nematode reproduction rates.
Intervention effect Trichoderma species significantly reduced root-knot nematode gall index and female fecundity.
Intervention effect M. chlamydosporia significantly reduced root-knot nematode gall index and female fecundity.
Intervention effect BCAs significantly increased antioxidant activities of infected tomato plants.
Intervention effect Chemical nematicides significantly increased antioxidant activities of infected tomato plants.
Intervention effect Ethoprophos decreased MDA and total phenols relative to nematode-infested seedlings.
Intervention effect Fungal treatments decreased MDA and total phenols relative to nematode-infested seedlings.