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Tales Arthur de Souza Alonso; Dalila Lopes da Silva; Renato de Mello Prado; Pedro Luiz Martins Soares; Luis Felipe Lata Tenesaca; Rivanildo Júnior Ferreira
... Silicon (Si) has a physical barrier effect on plant tissues, decreasing nematode infection in different crops. Notwithstanding, research on lettuce is lacking, especially regarding the chemical mechanisms of action of this beneficial element. This study evaluated the effect of Si supply on lettuce plants infested with 0, 6000, and 12,000 eggs and second stage juveniles of Meloidogyne incognita, bo ...
... The nematode Ditylenchus destructor Thorne (Tylenchida: Anguinidae) is a serious garlic pathogen in Japan; cloves are infested by the nematode rot during storage, and there is no method that will completely eliminate the nematode from the clove. In the present study, we examined the survival of D. destructor under hypoxic and anoxic conditions to assess the use of controlled atmospheres as control ...
... Actinobacteria, which produce nematicidal metabolites, have been reported wildly. However, macromolecules were rarely described. The culture filtrates of Streptomyces albogriseolus ND41 and S. fimicarius D153 presented 82.13% and 86.96% nematicidal activity against Meloidogyne incognita after 12 h, respectively. A pot experiment highlighted that the biocontrol efficiency of strain ND41 reached 68. ...
Meloidogyneincognita, etc ; Athelia rolfsii; carbofuran; chalcone; disease incidence; environmental science; hexaconazole; pest control; plant growth; soil; tebuconazole; tomatoes; Show all 12 Subjects
Abstract:
... The present study reports, bioefficacy evaluation of effective compounds against Meloidogyne incognita and Sclerotium rolfsii in pot cultured tomato. The identified five most effective compounds, i.e. (2E)-1-(4-Methylphenyl)-3-ferrocenyl-prop-2-en-1-one (6g), (2E)-1-(4-Methoxyphenyl)-3-ferrocenyl-prop-2-en-1-one (6h), (2E)-1-(3-Bromophenyl)-3-ferrocenyl-prop-2-en-1-one (6j), (2E)-1-(2,4-Dichloroph ...
Meloidogyneincognita, etc ; Solanum melongena; Solanum palinacanthum; cultivars; eggplants; fruits; integrated pest management; root-knot nematodes; rootstocks; tomatoes; toxicity; Show all 11 Subjects
Abstract:
... Eggplant (Solanum melongena) is susceptible to root‐knot nematodes (RKN, Meloidogyne spp.), which parasitizes host roots and intakes nutrients from nursing cells called ‘giant cells’. Grafting with RKN‐resistant rootstock is an effective way to reduce the damage caused by RKN. However, commercially available cultivars of RKN‐resistant rootstock for eggplant are limited, and resistance in RKN‐resis ...
... Meloidogyne incognita is one of the most important plant parasitic nematodes. This study was conducted to determine the nematicidal potential of Beauveria bassiana and Metarhizium anisopliae against M. incognita. B. bassiana and M. anisopliae spore suspensions and bio -nematicide, Purpureocillium lilacinum were applied. B. bassiana and M. anisopliae revealed considerable nematicidal activity again ...
Anzhela M. Asaturova; Ludmila N. Bugaeva; Anna I. Homyak; Galina A. Slobodyanyuk; Evgeninya V. Kashutina; Larisa V. Yasyuk; Nikita M. Sidorov; Vladimir D. Nadykta; Alexey V. Garkovenko
... Meloidogyne incognita Kofoid et White is one of the most dangerous root-knot nematodes in greenhouses. In this study, we evaluated two Bacillus strains (Bacillus velezensis BZR 86 and Bacillus velezensis BZR 277) as promising microbiological agents for protecting cucumber plants from the root-knot nematode M. incognita Kof. The morphological and cultural characteristics and enzymatic activity of t ...
... Root-knot nematodes (RKNs) (Meloidogynespp) is the most economically destructive species. A pot experiment was conducted to assess the suppressing potential of three vermicompost types of different plant residues origin on (RKNs) (Meloidogyne incognita) in tomato cultivar by inoculation in prepared soil. Three vermicompost types CD (Cow dung) alone; CD mixed with either Taro Leaves (TL) or Saw Dus ...
Meloidogyneincognita, etc ; Vigna unguiculata; botany; cowpeas; cupric oxide; nematicides; Show all 6 Subjects
Abstract:
... The application of nanoparticles as potent nematicides along with the plant growth-promoting effects is quite intriguing to meet the need for an alternative management strategy for nematode management. Here we reported the nematicidal effects of synthesized Copper oxide nanoparticles (CuO) against Meloidogyne incognita second-stage juveniles (J2S) under in vitro and in planta conditions at differe ...
Paulo Victor Magalhães Pacheco; Vicente Paulo Campos; Willian César Terra; Marcio Pozzobon Pedroso; Letícia Lopes de Paula; Maysa Siqueira Gonçalves da Silva; Thalita Suelen Avelar Monteiro; Leandro Grassi de Freitas
Meloidogyneincognita, etc ; Pochonia chlamydosporia; eggs; females; fumigants; fumigation; gas chromatography-mass spectrometry; nematicidal properties; plant parasitic nematodes; research; toxicity; toxins; volatile organic compounds; Show all 13 Subjects
Abstract:
... The production of volatile organic compounds (VOCs) acting against plant-parasitic nematodes has been characterized in different fungi; however, the role of VOCs emitted by Pochonia chlamydosporia in its trophic interaction with Meloidogyne incognita is still unknown. The aim of this study was to determine the effects of VOCs emitted by P. chlamydosporia strain Pc-10 on different stages (eggs, juv ...
Valdeir Junio Vaz Moreira; Isabela Tristan Lourenço-Tessutti; Marcos Fernando Basso; Maria Eugênia Lisei-de-Sa; Carolina Vianna Morgante; Bruno Paes-de-Melo; Fabrício Barbosa Monteiro Arraes; Diogo Martins-de-Sa; Maria Cristina Mattar Silva; Janice de Almeida Engler; Maria Fatima Grossi-de-Sa
... MAIN CONCLUSION: Minc03328 effector gene downregulation triggered by in planta RNAi strategy strongly reduced plant susceptibility to Meloidogyne incognita and suggests that Minc03328 gene is a promising target for the development of genetically engineered crops to improve plant tolerance to M. incognita. Meloidogyne incognita is the most economically important species of root-knot nematodes (RKN) ...
Meloidogyneincognita, etc ; Pseudomonas syringae pv. pisi; Rhizobium leguminosarum; adverse effects; blight; carotenoids; chlorophyll; foliar spraying; nodulation; peas; photosynthesis; plant growth; principal component analysis; zinc oxide; Show all 14 Subjects
Abstract:
... Effects of zinc oxide nanoparticles (ZnO NPs) and Rhizobium leguminosarum alone and in combination were observed on the disease complex of pea caused by Meloidogyne incognita and Pseudomonas syringae pv. pisi. Plants inoculated with M. incognita and P. syringae pv. pisi, alone or in combination, showed a significant reduction in plant growth, chlorophyll and carotenoid content compared to uninocul ...
Meloidogyneincognita, etc ; cysteine; gene expression; proteinases; root-knot nematodes; serine; tomatoes; Show all 7 Subjects
Abstract:
... The expression of the genes encoding the inhibitors of serine (ISP) and cysteine proteinases (ICP) was studied in the roots of tomato plants resistant and susceptible to the root-knot nematode Meloidogyne incognita during infection and under the effects of signaling molecules: salicylic (SA) and jasmonic (JA) acids. It was shown that, upon infection, resistant plants are characterized by an incr ...
Meloidogyneincognita, etc ; Bacillus cereus; Glycine max; biological control; environmental impact; filtrates; juveniles; nematicidal properties; population density; rhizosphere; root-knot nematodes; roots; soil; soybeans; toxicity; South Africa; Show all 16 Subjects
Abstract:
... The global expansion of soybean (Glycine max (L.) Merr.) exposes it to more diseases and pests such as nematodes. In South Africa particularly, Meloidogyne incognita and M. javanica are considered the predominant genera infecting soybean, but a more pathogenic root-knot species, M. enterolobii, was recently reported in the Mpumalanga Highveld of South Africa. The use of chemicals to manage these p ...
Meloidogyneincognita, etc ; Withania somnifera; economics; medicinal plants; root-knot nematodes; shrubs; therapeutics; Show all 7 Subjects
Abstract:
... Ashwagandha also known as Withania somnifera (L.) Dunal, is an annual evergreen shrub belongs to the family Solanaceae. It is an important medicinal plant having great global demand because of its therapeutic and medicinal uses. However, it is widely susceptible to root knot nematode named as Meloidogyne incognita (Kofoid & White), which causes heavy loss to the plants and affects 100 billion doll ...
Meloidogyneincognita, etc ; carbofuran; females; fruit size; orchards; pomegranates; root-knot nematodes; surveys; Show all 8 Subjects
Abstract:
... Nematodes are a serious problem across pomegranate-growing areas worldwide, but the severity is higher in light sandy soils of arid regions. The present study was carried out to explore the integrated approaches for the control of nematodes in pomegranate. Three different experiments were carried out during 2017–2020 to (a) delineate nematode abundance in major pomegranate areas, (b) screen pomegr ...
Meloidogyneincognita, etc ; Pasteuria penetrans; agar; cucumbers; eggs; microbiology; root-knot nematodes; soil; Show all 8 Subjects
Abstract:
... Compatibility of Fictor composticola and Pasteuria penetrans was evaluated through two experiments against Meloidogyne incognita. In vitro assay conducted in 5 cm diameter Petri plates containing 1% water agar. Two males and two females of F. composticola were released alongwith 200 P. penetrans encumbered or healthy J₂ of M. incognita. Observations on prey consumed were taken after 24 and 48 h of ...
... The nematode species Meloidogyne incognita infects a large variety of cultivated crops and is one of nature’s most notorious pests. One cultivated plant which is prone to M. incognita infestation is the tomato. Knowing that in A. thaliana the PIN auxin efflux transporters distribution is being altered upon early invasion by M. incognita, the PIN1 allocation patterns in the giant cells of tomato pl ...
Meloidogyneincognita, etc ; Aspergillus fumigatus; acid treatment; biological control; chemical ecology; culture media; digestive system; egg hatchability; food chemistry; greenhouses; liquid chromatography; mass spectrometry; mortality; nematicides; root-knot nematodes; soil; Show all 16 Subjects
Abstract:
... To replace biohazardous nematicides, there is an ever-increasing need to identify natural product-based agents to contain root-knot nematodes (RKNs) in agriculture. In this chemical ecology study, an antagonistic fungus Aspergillus fumigatus 1T-2, which could cause the formation of withering of the gut and vacuole-like structures in the nematode body, was isolated based on the gradually increased ...
Alexandre F. S. Mello; Gabriela Silva; Raquel L. de Sousa; Alexandre V. S. Barbosa; Erich Y. T. Nakasu; Giovani O. Silva; Danielle Biscaia; Jadir B. Pinheiro
Meloidogyneincognita, etc ; cultivars; greenhouses; reproduction; root-knot nematodes; staple crops; sweet potatoes; tomatoes; Brazil; Show all 9 Subjects
Abstract:
... Sweetpotato is a staple crop in Brazil presenting a smaller number of pathogens and diseases in comparison with other root and tuberous crops. Root-knot nematodes are among the most serious sweetpotato root pathogens. The impact of these pathogens also extends to succeeding crops. Because in Brazil, it is common to cultivate more than one crop per season, this problem is rapidly disseminated. The ...