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1. Density-dependent growth response and sensitivity of Meloidogyne incognita to Maerua angolensis and Tabernaemontana elegans: Card model

Author:
Khosa, M. C.; Dube, Z. P.; Tselanyane, M.; Fouche, G.; De Waele, D.; Daneel, M. S.
Source:
Acta agriculturæ Scandinavica 2020 v.70 no.1 pp. 24-30
ISSN:
1651-1913
Subject:
Meloidogyne incognita,   etc   ; Maerua; Tabernaemontana; juveniles; minimum inhibitory concentration; models; mortality; plant extracts;     Show all 8 Subjects
Abstract:
... Curve-fitting Allelochemical Response Dosage (CARD) computer-based model has proven to be a valuable tool in the definition of dosage response relationships between organisms and various plant extracts. Its use in the explanation of the relationship between Maerua angolensis and Tabernaemontana elegans concentrations and Meloidogyne incognita second-stage juvenile (J2) hatch and mortality has not ...
DOI:
10.1080/09064710.2019.1663913

2. Comprehensive report on the prevalence of root‐knot nematodes in the Poonch division of Azad Jammu and Kashmir, Pakistan

Author:
Tariq‐Khan, Muhammad; Mukhtar, Tariq; Munir, Anjum; Hallmann, Johannes; Heuer, Holger
Source:
Phytopathologische Zeitschrift 2020 v.168 no.6 pp. 322-336
ISSN:
0931-1785
Subject:
Meloidogyne incognita,   etc   ; Meloidogyne arenaria; Meloidogyne javanica; beans; crops; cucumbers; eggplants; fauna; hosts; okra; root-knot nematodes; stress response; tomatoes; Pakistan;     Show all 14 Subjects
Abstract:
... The present study documents the root‐knot nematodes (RKN) fauna of the Poonch division in Azad Jammu and Kashmir infecting vegetables. An overall prevalence of 40% of RKN was recorded. Of the four districts investigated, maximum prevalence was recorded in district Poonch with 59%, followed by Sudhnuti with 58%. The lowest prevalence of RKN was found in districts Bagh (29%) and Haveli (33%). Out of ...
DOI:
10.1111/jph.12895

3. Utilization of High throughput microcrystalline cellulose decorated silver nanoparticles as an eco-nematicide on root-knot nematodes

Author:
Fouda, Moustafa M.G.; Abdelsalam, Nader R.; Gohar, I.M.A.; Hanfy, Amira E.M.; Othman, Sarah I.; Zaitoun, Amera F.; Allam, Ahmed A.; Morsy, Osama M.; El-Naggar, Mehrez
Source:
Colloids and surfaces 2020 v.188 pp. 110805
ISSN:
0927-7765
Subject:
Meloidogyne incognita,   etc   ; Solanum nigrum; cellulose; crops; developmental stages; mortality; nanosilver; polymers; root-knot nematodes; roots; silver; solvents; weeds;     Show all 13 Subjects
Abstract:
... The present study aimed to evaluate the influence of high throughput microcrystalline cellulose embedded silver nanoparticles (Ag-NPs), as an alternative eco-nematicide on Root-knot nematode (Meliodogyne incognita), which deem the main reason toward the loss of more than 20% in crops worldwide. In this work, Ag-NPs was prepared in very high concentration. Ag-NPs prepared using such technique has m ...
DOI:
10.1016/j.colsurfb.2020.110805

4. Volatile emissions of watercress (Nasturtium officinale) leaves and passion fruit (Passiflora edulis) seeds against Meloidogyne incognita

Author:
Silva, Marcela F; Campos, Vicente P; Barros, Aline F; Terra, Willian C; Pedroso, Márcio P; Gomes, Vanessa A; Ribeiro, Clerio R; Silva, Fabíola J
Source:
Pest management science 2020 v.76 no.4 pp. 1413-1421
ISSN:
1526-498X
Subject:
Meloidogyne incognita,   etc   ; Nasturtium officinale; Passiflora edulis; emissions; leaves; nematicidal properties; passion fruits; pest management; seeds; toxicity; volatile organic compounds; watercress;     Show all 12 Subjects
Abstract:
... Watercress leaf and passion fruit seed macerates produce volatile organic compounds toxic to Meloidogyne incognita and 1‐octanol, found in volatile emissions of watercress leaves, shows nematicidal activity against M. incognita. ...
DOI:
10.1002/ps.5654

5. Characterization of Resistance to Major Tropical Root-Knot Nematodes (Meloidogyne spp.) in Solanum sisymbriifolium

Author:
Hajihassani, Abolfazl; Rutter, William B.; Schwarz, Tanner; Woldemeskel, Moges; Ali, Md Emran; Hamidi, Negin
Source:
Phytopathology 2020 v.110 no.3 pp. 666-673
ISSN:
0031-949X
Subject:
Meloidogyne incognita,   etc   ; Meloidogyne arenaria; Meloidogyne enterolobii; Meloidogyne javanica; Solanum sisymbriifolium; cultivars; eggs; nematode infections; root-knot nematodes; rootstocks; tomatoes;     Show all 11 Subjects
Abstract:
... Root-knot nematodes (Meloidogyne spp.) are important contributors to yield reduction in tomato. Though resistant cultivars to common species (Meloidogyne arenaria, M. incognita, and M. javanica) are available, they are not effective against other major species of root-knot nematodes. Cultivars or lines of Solanum sisymbriifolium were examined to assess the presence and level of resistance to five ...
DOI:
10.1094/PHYTO-10-19-0393-R

6. Reproductive potential of South African thermophilic Meloidogyne populations, with special reference to Meloidogyne enterolobii

Author:
Rashidifard, Milad; Marais, Mariette; Daneel, Mieke S.; Fourie, Hendrika
ISSN:
1388-5545
Subject:
Meloidogyne incognita,   etc   ; Meloidogyne enterolobii; Meloidogyne javanica; greenhouse experimentation;     Show all 4 Subjects
Abstract:
... Variability in the reproductive potential of Meloidogyne spp. is crucial to design suitable nematode management strategies. The reproductive potential of nine South African single-species Meloidogyne populations, M. enterolobii (5), M. incognita (2) and M. javanica (2), as well as three mixed-species communities (each containing two of the three species) were determined in glasshouse experiments. ...
DOI:
10.1163/15685411-00003263

7. Activity of four nematicides against Meloidogyne incognita race 2 on tomato plants

Author:
Yue, Xiangguo; Li, Fahui; Wang, Bingtai
Source:
Phytopathologische Zeitschrift 2020 v.168 no.7-8 pp. 399-404
ISSN:
0931-1785
Subject:
Meloidogyne incognita,   etc   ; Solanum lycopersicum; avermectins; chemical control; egg shell; eggs; fluopyram; galls; greenhouses; hatching; juveniles; median effective concentration; nematicides; rooting; roots; tomatoes; vegetable growing; China;     Show all 18 Subjects
Abstract:
... Meloidogyne incognita is one of the most important causes of disease in protected vegetable cultivation in North China Plain, but chemical control options for it are currently limited. In the present study, we measured activity of four nematicides with M. incognita race 2 in the laboratory and greenhouse pots. Fluensulfone and fluopyram had a greater negative effect on the motility of M. incognita ...
DOI:
10.1111/jph.12904

8. Sensitivity to fluensulfone of inactivated Meloidogyne spp. second‐stage juveniles

Author:
Oka, Yuji
Source:
Pest management science 2020 v.76 no.7 pp. 2379-2387
ISSN:
1526-498X
Subject:
Meloidogyne incognita,   etc   ; Meloidogyne hapla; Meloidogyne javanica; dormancy; environmental factors; fenamiphos; fluopyram; juveniles; median effective concentration; pesticide resistance; physiological state; root galls; soil; temperature;     Show all 14 Subjects
Abstract:
... BACKGROUND: Nonfumigant nematicide efficacy is affected by several factors, such as nematode species and environmental conditions. However, the influence of nematodes' physiological status on nematicide efficacy is unknown. Inactive nematodes, such as those in quiescence or dormancy, seem to be more tolerant to nematicides than active ones. Second‐stage juveniles of Meloidogyne species were inacti ...
DOI:
10.1002/ps.5774

9. Nematicidal activity of flavonoids with structure activity relationship (SAR) studies against root knot nematode Meloidogyne incognita

Author:
Bano, Samina; Iqbal, Erum Yawar; Lubna,; Zik-ur-Rehman, Sadia; Fayyaz, Shahina; Faizi, Shaheen
Source:
European journal of plant pathology 2020 v.157 no.2 pp. 299-309
ISSN:
0929-1873
Subject:
Meloidogyne incognita,   etc   ; Tagetes patula; apigenin; chrysin; crop management; flowers; isorhamnetin; juveniles; luteolin; mortality; myricetin; nematicidal properties; root-knot nematodes; structure-activity relationships;     Show all 14 Subjects
Abstract:
... In continuation of our work on Tagetes spp., the current study deals with the nematicidal activity of flavonoids, which are structurally related to two marker compounds, patuletin and patulitrin isolated from Tagetes patula flowers. The activity was determined against root-knot nematode, Meloidogyne incognita to establish structure activity relationship. In vitro examination of flavonoids belongin ...
DOI:
10.1007/s10658-020-01988-w

10. Pre‐cold acclimation promotes cryoprotectant accumulation and enhances freezing tolerance of Meloidogyne incognita

Author:
Wang, Yuanzheng; Liu, Chen; Ren, Ping; Li, Yingmei
Source:
Phytopathologische Zeitschrift 2020 v.168 no.6 pp. 337-341
ISSN:
0931-1785
Subject:
Meloidogyne incognita,   etc   ; acclimation; cold tolerance; cold treatment; cryoprotectants; egg masses; freezing; frost injury; glycerol; hatching; juveniles; larvae; pathogenicity; survival rate; trehalose;     Show all 15 Subjects
Abstract:
... Strong evidence suggests that cryoprotectant accumulation during pre‐cold acclimation protects cells against freezing injuries caused by cellular dehydration. In this study, the concentrations of trehalose and glycerol were measured in Meloidogyne incognita and it was found that both cryoprotectants were significantly accumulated in second‐stage juveniles (J2) of M. incognita after acclimation at ...
DOI:
10.1111/jph.12897

11. Suppression of root-knot nematode and plant growth promotion of chili (Capsicum flutescens L.) using co-inoculation of Streptomyces spp.

Author:
Nimnoi, Pongrawee; Ruanpanun, Pornthip
Source:
Biological control 2020 v.145 pp. 104244
ISSN:
1049-9644
Subject:
Meloidogyne incognita,   etc   ; Capsicum frutescens; Streptomyces; biological control; calcium; growth promotion; iron; magnesium; nutrients; phosphorus; plant growth; root-knot nematodes; roots; shoots; soil; spores; sustainable agriculture;     Show all 17 Subjects
Abstract:
... Meloidogyne incognita causes significant yield reduction in the commercial chili, Capsicum frutescens L. This study evaluated the control efficiency of co-inoculation of chili with the Streptomyces spp. strains KPS-E004 and KPS-A032 on the growth and symbiotic performance of M. incognita-challenged plants. The control efficiency of co-inoculation of both strains in suppressing root-knot nematode i ...
DOI:
10.1016/j.biocontrol.2020.104244

12. Multi-omics analysis revealed that MAPK signaling and flavonoid metabolic pathway contributed to resistance against Meloidogyne incognita in the introgression line cucumber

Author:
Wang, Xing; Cheng, Chunyan; Li, Qingrong; Zhang, Kaijing; Lou, Qunfeng; Li, Ji; Chen, Jinfeng
Source:
Journal of proteomics 2020 v.220 pp. 103675
ISSN:
1874-3919
Subject:
Meloidogyne incognita,   etc   ; biochemical pathways; biosynthesis; cucumbers; flavonoids; genes; giant cells; introgression; mitogen-activated protein kinase; multiomics; protein content; protein phosphorylation; proteomics; roots; sequence analysis; signal transduction;     Show all 16 Subjects
Abstract:
... Inhibiting giant cells (GCs) development is an important characteristic of introgression line cucumber IL10–1 against Meloidogyne incognita proved by our previous study, but the systematic regulatory pathways were unknown. To reveal the regulation pathways more comprehensively, in the current study, we performed a joint analysis of RNA-Seq and lable-free quantitative proteomics between the IL10–1 ...
DOI:
10.1016/j.jprot.2020.103675

13. Effect of plant-derived organic amendments on Meloidogyne incognita infecting okra, Abelmoschus esculentus L.

Author:
Premachandra, W. T. S. Dammini; Damithri, W. H. D. P. I.; Neilson, Roy
Source:
Archiv für Phytopathologie und Pflanzenschutz 2020 v.53 no.9-10 pp. 414-424
ISSN:
1477-2906
Subject:
Meloidogyne incognita,   etc   ; Abelmoschus esculentus; Lantana camara; Morinda citrifolia; egg masses; females; galls; leaves; nematode control; okra; plant parasitic nematodes; root diseases; root systems; soil; soil amendments;     Show all 15 Subjects
Abstract:
... Pot trials were conducted to determine the efficacy of incorporating fresh leaves of Morinda citrifolia, Lantana camara and Palm pressed fiber into soil, to manage Meloidogyne incognita, infecting okra, Abelmoschus esculentus L. All the amendments were effective against M. incognita with significantly reduced gall formation and multiplication, the greatest effect recorded was associated with plant ...
DOI:
10.1080/03235408.2020.1728019

14. Root-knot nematodes modulate cell walls during root-knot formation in Arabidopsis roots

Author:
Ishida, Takashi; Suzuki, Reira; Nakagami, Satoru; Kuroha, Takeshi; Sakamoto, Shingo; Nakata, Miyuki T.; Yokoyama, Ryusuke; Kimura, Seisuke; Mitsuda, Nobutaka; Nishitani, Kazuhiko; Sawa, Shinichiro
Source:
Journal of plant research 2020 v.133 no.3 pp. 419-428
ISSN:
0918-9440
Subject:
Meloidogyne incognita,   etc   ; Arabidopsis thaliana; cell wall components; cell walls; galls; genes; host plants; models; morphogenesis; nutrients; parasitism; root-knot nematodes; rooting; roots; stem cells; sugars; xylan;     Show all 17 Subjects
Abstract:
... Phytoparasitic nematodes parasitize many species of rooting plants to take up nutrients, thus causing severe growth defects in the host plants. During infection, root-knot nematodes induce the formation of a characteristic hyperplastic structure called a root-knot or gall on the roots of host plants. Although many previous studies addressed this abnormal morphogenesis, the underlying mechanisms re ...
DOI:
10.1007/s10265-020-01186-z

15. Assessment of the most suitable nematode inoculum density and plant growth period to screen coffee genotypes for their reaction to Meloidogyne incognita

Author:
Silva, Santino A.; Bicalho, Anderson C.G.; Santiago, Débora C.; Cunha, Lucas S.; Machado, Andressa C.Z.
ISSN:
1388-5545
Subject:
Meloidogyne incognita,   etc   ; Coffea arabica; animal reproduction; disease resistance; disease susceptibility; eggs; genetic testing; genotype; host-parasite relationships; inoculum density; perennials; phenotype; population density; root-knot nematodes; screening; seedlings;     Show all 16 Subjects
Abstract:
... One of the concerns for nematological research is the absence of information on standard nematode population densities to be used when screening to assess resistance/susceptibility levels of a genotype. In addition, the length of the growth period, especially for perennial crops such as coffee, must also be known. The objective of this work was to evaluate the ideal evaluation periods and populati ...
DOI:
10.1163/15685411-00003311

16. Analysis of Cotton Chromosome 11 and 14 Root-Knot Nematode Resistance Quantitative Trait Loci Effects on Root-Knot Nematode Postinfection Development, Egg Mass Formation, and Fecundity

Author:
Wubben, Martin J.; Gaudin, Amanda G.; McCarty, Jack C.; Jenkins, Johnie N.
Source:
Phytopathology 2020 v.110 no.4 pp. 927-932
ISSN:
0031-949X
Subject:
Meloidogyne incognita,   etc   ; Gossypium hirsutum; adults; cotton; egg masses; eggs; fecundity; females; isogenic lines; juveniles; loci; quantitative trait loci; root-knot nematodes;     Show all 13 Subjects
Abstract:
... Cotton (Gossypium hirsutum) resistance to root-knot nematode (RKN) (Meloidogyne incognita) is controlled by quantitative trait loci (QTLs) on chromosomes 11 (CHR11) and 14 (CHR14). The individual contributions of these QTLs to resistance are not completely understood. We developed near isogenic lines susceptible at both loci (null), having CHR11 or CHR14 alone, and having both QTLs (CHR11/CHR14). ...
DOI:
10.1094/PHYTO-09-19-0370-R

17. Effects of yeast fermentation broths on the Meloidogyne incognita population in soybean

Author:
Mioranza, Thaisa Muriel; Schwan-Estrada, Kátia Regina Freitas; Zubek, Larissa; Miamoto, Angélica; Hernandes, Isabela; Rissato, Bruna Broti; Mizuno, Monica Sayuri; Schwan, Rosane Freitas; Dias-Arieira, Cláudia Regina
Source:
Tropical plant pathology 2020 v.45 no.2 pp. 112-121
ISSN:
1983-2052
Subject:
Meloidogyne incognita,   etc   ; Hanseniaspora opuntiae; Kodamaea; Lachancea thermotolerans; Meyerozyma caribbica; Pichia; adults; application methods; crops; culture media; females; hatching; juveniles; nematode infections; root-knot nematodes; shoots; soil; soybeans; yeasts;     Show all 19 Subjects
Abstract:
... Root-knot nematodes are pathogenic to a wide range of plants worldwide and can reduce the yield potential of important crops. The objective of this study was to investigate the potential effects of yeast fermentation broths (YFBs) on the hatching of Meloidogyne incognita second-stage juveniles (J2s) in vitro. In addition, application methods of the yeasts for the control of the nematode in soybean ...
DOI:
10.1007/s40858-019-00324-w

18. The efficacy of molecular markers associated with virulence in root-knot nematodes

Author:
Mistanoğlu, İbrahim; Özalp, Tevfik; Devran, Zübeyir
ISSN:
1388-5545
Subject:
Meloidogyne incognita,   etc   ; Meloidogyne javanica; cultivars; financial economics; genes; genetic markers; plant pests; polymerase chain reaction; restriction endonucleases; root-knot nematodes; screening; tomatoes; virulence; Turkey (country);     Show all 14 Subjects
Abstract:
... Root-knot nematodes (Meloidogyne spp.) are major crop pests that cause heavy economic losses. The use of resistant cultivars is one of the most important management methods. The Mi-1 gene in tomato confers effective resistance against several species of Meloidogyne. However, Mi-1-virulent root-knot nematodes restrict the use of resistant cultivars. Molecular markers associated with virulence have ...
DOI:
10.1163/15685411-00003292

19. Identification and Nematicidal Characterization of Proteases Secreted by Endophytic Bacteria Bacillus cereus BCM2

Author:
Hu, Haijing; Gao, Yang; Li, Xia; Chen, Shuanglin; Yan, Shuzhen; Tian, Xinjun
Source:
Phytopathology 2020 v.110 no.2 pp. 336-344
ISSN:
0031-949X
Subject:
Meloidogyne incognita,   etc   ; Bacillus cereus; bacteria; biological control agents; chitosanase; crops; egg shell; endophytes; intestines; juveniles; metabolites; mortality; nematicidal properties; proteins; scanning electron microscopy; serine proteinases; transmission electron microscopy;     Show all 17 Subjects
Abstract:
... The endophytic bacterium Bacillus cereus BCM2 has shown great potential as a biocontrol organism against Meloidogyne incognita, which causes severe root-knot diseases in crops. In our previous study, the metabolite of BCM2 showed high nematicidal activity against the M. incognita second-stage juveniles. However, the mechanism employed by endophytic bacteria to infect and kill nematodes is still un ...
DOI:
10.1094/PHYTO-05-19-0164-R

20. Nematicidal activity of 5-iodoindole against root-knot nematodes

Author:
Rajasekharan, Satish Kumar; Kim, Seulbi; Kim, Jin-Cheol; Lee, Jintae
Source:
Pesticide biochemistry and physiology 2020 v.163 pp. 76-83
ISSN:
0048-3575
Subject:
Meloidogyne incognita,   etc   ; Solanum lycopersicum; death; eggs; glutathione transferase; indoles; juveniles; models; multiple drug resistance; nematicidal properties; nematicides; phenotype; reactive oxygen species; root-knot nematodes; roots; vacuoles;     Show all 16 Subjects
Abstract:
... Multi-drug resistance in nematodes is a serious problem as lately several resistant phenotypes have emerged following the intermittent usage of synthetic nematicides. Contemporary research continues to focus on developing and/or repurposing small molecule inhibitors that are eco-friendly. Here, we describe the repurposing of the indole derivative, 5-iodoindole, as a nematicide for the root-knot ne ...
DOI:
10.1016/j.pestbp.2019.10.012