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Determination of acid phosphatase and dehydrogenase activities in the rhizosphere of nodulated legume species native to two contrasting savanna sites in Venezuela
ArticleAbstract: Rhizospheric soils from 13 nodulated legume species were collected at two contrasting savanna sites.Palabras claves:Acid phosphatase dehydrogenase, native legumes, RhizosphereAutores:Carballo O., Flores S., Maria Luisa Izaguirre-MayoralFuentes:googlescopusCrassulacean Acid Metabolism in Two Species of Orchids Infected by Tobacco Mosaic Virus‐orchid Strain and/or Cymbidium Mosaic Virus
ArticleAbstract: The effect of viral infections on the Crassulacean Acid Metabohsm (CAM) was determined in two orchidPalabras claves:Autores:Carballo O., De Uzcàtegui R., Maria Luisa Izaguirre-MayoralFuentes:googlescopusEffects of arbuscular mycorrhizal inoculation on growth, yield, nitrogen, and phosphorus nutrition of nodulating bean varieties in two soil substrates of contrasting fertility
ArticleAbstract: A pot experiment was conducted to study the response of nodulated bean (Phaseolus vulgaris L.), varsPalabras claves:Autores:Carballo O., Carreño L., De Mejia M., Maria Luisa Izaguirre-MayoralFuentes:googlescopusOccurrence and relative incidence of viruses infecting papaya in Venezuela
ArticleAbstract: A survey of the main papaya (Carica papaya L.) production fields in Venezuela during 1997, indicatedPalabras claves:Papaya mild yellowing virus, Papaya ringspot virus, Papaya viruses survey, VENEZUELAAutores:Carballo O., Maria Luisa Izaguirre-Mayoral, MARYS E.Fuentes:googlescopusPartial characterisation of a new virus in brusca from the Venezuelan lowlands
ArticleAbstract: Flexuous thread-like virus particles c. 650-700 nm in length were isolated from brusca (Senna pallidPalabras claves:Closterovirus, Cytopathology, DSRNA, Physicochemical properties, SeCSV, Senna pallida, serologyAutores:Carballo O., Colmenares M., Liu H., Maria Luisa Izaguirre-Mayoral, MARYS E., Romano M., Uzcategui R.Fuentes:googlescopusPhysiological and biochemical aspects of symbiotic nitrogen fixation in cowpea (Vigna unguiculata (L.) walp. var. tuy) plants infected by cowpea mosaic virus
ArticleAbstract: Three-day-old cowpea seedlings were inoculated with the severe strain of Cowpea Mosaic Virus (CpMV)Palabras claves:Cowpea, Cowpea Mosaic Virus, Enzymes, Nitrogen fixation, ultrastructureAutores:Carballo O., De Mallorca M., De Uzcàtegui R., Maria Luisa Izaguirre-MayoralFuentes:googlescopusPhysiological performance of asymptomatic and yellow leaf syndrome-affected sugarcanes in Venezuela
ArticleAbstract: Serological analyses revealed the presence of the sugarcane yellow leaf virus (ScYLV) in asymptomatiPalabras claves:Glucans, Sugarcane yellow leaf syndrome, Sugarcane yellow leaf virus, total reducing sugars, ultrastructureAutores:Alceste C., Carballo O., Maria Luisa Izaguirre-Mayoral, Nass H., Romano M.Fuentes:googlescopusIsolation and Characterization of Viruses Present in Four Clones of Garlic (Allium sativum) in Venezuela
ArticleAbstract: Isolation and characterization of viruses infecting garlic in Venezuela indicate the presence of oniPalabras claves:Autores:Carballo O., Maria Luisa Izaguirre-Mayoral, MARYS E.Fuentes:googlescopusResponses of Rhizobium-inoculated and nitrogen-supplied cowpea plants to increasing phosphorus concentrations in solution culture
ArticleAbstract: The main objective of this investigation was to analyze the responses of Rhizobium-inoculated and niPalabras claves:Autores:Carballo O., Egea R., Maria Luisa Izaguirre-Mayoral, Romano M.Fuentes:googlescopusProperties of a previously undescribed supercoiled filamentous virus infecting papaya in Venezuela
ArticleAbstract: Supercoiled filamentous virus particles with lengths of 400 to 700 nm and 3 nm wide were isolated frPalabras claves:Autores:Carballo O., Maria Luisa Izaguirre-Mayoral, MARYS E.Fuentes:googlescopus