Artículos científicos: Envíos recientes
Mostrando ítems 81-100 de 169
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Comparative Pathogenesis of Generalist AcMNPV and Specific RanuNPV in Larvae of Rachiplusia nu (Lepidoptera: Noctuidae) Following Single and Mixed Inoculations
(Oxford University Press, 2021-02-19)The South American soybean pest, Rachiplusia nu (Guenée), is naturally infected by Autographa californica multiple nucleopolyhedrovirus (AcMNPV) and Rachiplusia nu nucleopolyhedrovirus (RanuNPV). We compared their pathogenicity ... -
Utilización regional de baculovirus en el control de plagas hortícolas
(Ediciones INTA, 2021-12)Los baculovirus son patógenos aislados de insectos, principalmente del orden Lepidoptera. Se caracterizan por su alta especificidad, pues poseen un espectro de hospedadores reducido, y por ser inocuos para artrópodos ... -
Phenology, parasitism and density dependence of Psyllaephagus bliteus on Eucalyptus camaldulensis
(Springer, 2021-02-12)Glycaspis brimblecombei is an invasive insect species that specifically feeds on Eucalyptus leaves. Native from Australia, this species has spread to several countries becoming a major Eucalyptus pest. Even though its ... -
New entomopathogenic strain of Bacillus thuringiensis is able to solubilize different sources of inorganic phosphates
(Elsevier, 2021-04-01)Phosphate-solubilizing strain INTA 293-1 from a soil sample of Corrientes province (Argentina) was identified as Bacillus thuringiensis based on its faculty to produce crystalline inclusions during sporulation and 16S rDNA ... -
Nematicidal effect of an Argentine strain of Photorhabdus laumondi laumondi (Enterobacteriaceae) on the free-living nematode Panagrellus redivivus (Rhabditidae: Panagrolaimidae)
(Elsevier, 2021-01-01)Bacteria with nematicidal effects have attracted interest as biocontrol agents of pests and diseases due to their relatively low environmental impact compared to chemical management strategies1. The damage they cause to ... -
Soybean in rotation with cereals attenuates nitrous oxide emissions as compared with soybean monoculture in the Pampas region
(Elsevier, 2021-11)Nitrous oxide (N-N2O) emissions in the agricultural sector represent ca. 25% of total N-N2O emissions on a global scale. In Argentina, information on agricultural emissions is scarce, and thus, N-N2O emissions are estimated ... -
Life history study of the mirid Tupiocoris cucurbitaceus feeding on Tuta absoluta eggs: implications for biological control and its combination with inherited sterility
(Springer, 2021)Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) is a key pest of tomato crops. Tupiocoris cucurbitaceus (Spinola) (Hemiptera: Miridae) is a neotropical predator capable of consuming T. absoluta eggs. We evaluated the ... -
Effects of 17α-ethinylestradiol on sex ratio, gonadal histology and perianal hyperpigmentation of Cnesterodon decemmaculatus (Pisces, Poeciliidae) during a full-lifecycle exposure
(Elsevier, 2020-08-11)The effects of 17α-ethinylestradiol (EE2) on sex ratio, gonopodium morphology, and gonadal histology of C. decemmaculatus were assessed by a full-lifecycle exposure experiment. Newborn fish were waterborne exposed to 30, ... -
Exploring the factors involved in the absence of parasitism of Chaetosiphon fragaefolii by generalist parasitoids in strawberry
(Springer, 2020-08)Chaetosiphon fragaefolii Cockerell (Hemiptera: Aphididae) is a worldwide strawberry pest with scarce records of parasitoids for its control. The parasitization rate of two generalist parasitoids, Aphidius colemani Viereck ... -
Susceptibility of agricultural pests of regional importance in South America to a Bacillus thuringiensis Cry1Ia protein
(Elsevier, 2020-05)Bacillus thuringiensis toxins of the Cry1I class have dual specificity for insects in the orders Coleoptera and Lepidoptera. We assessed the toxicity of a Cry1Ia protein from an Argentinian B. thuringiensis strain against ... -
Genetic variants in Argentinean isolates of Spodoptera frugiperda Multiple Nucleopolyhedrovirus
(Springer, 2020)The fall armyworm, Spodoptera frugiperda (JE Smith) is a key pest in the Americas. Control strategies are mainly carried out by use of chemical insecticides and transgenic crops expressing Bacillus thuringiensis toxins. ... -
Microscopic and PCR-based detection of microsporidia spores in human stool samples = Detección microscópica y molecular de esporas de microsporidios en muestras de heces humanas
(Elsevier, 2020-06)Microsporidia are obligate intracellular fungi with a remarkable ability to infect a wide range of invertebrate and vertebrate hosts. Namely, Enterocytozoon bieneusi is the most frequently microsporidia reported worldwide, ... -
Prey consumption and development of the indigenous lacewing Chrysoperla externa feeding on two exotic Eucalyptus pests
(Taylor & Francis, 2019)The green lacewing Chrysoperla externa is a widespread species in the Neotropical region that occurs in different habitats. Its presence in Eucalyptus plantations infested with Glycaspis brimblecombei (Hemiptera: Aphalaridae) ... -
Primera cita de la Argentina de Ophelimus maskelli (Ashmead) (Hymenoptera: Eulophidae) y su parasitoide, Closterocerus chamaeleon (Girault) (Hymenoptera: Eulophidae) = First record of Ophelimus maskelli (Ashmead) (Hymenoptera: Eulophidae) and its parasitoid, Closterocerus chamaeleon (Girault) (Hymenoptera: Eulophidae), in Argentina
(Sociedad Entomológica Argentina, 2014)Se cita por primera vez de la Argentina la presencia de la avispa galícola exótica Ophelimus maskelli (Ashmead) (Hymenoptera: Eulophidae) y su parasitoide natural, Closterocerus chamaeleon (Girault) (Hymenoptera: Eulophidae) ... -
Characterization of a Novel Thermostable Enzyme from Thermus sp. 2.9 with Phospholipase and Acyltransferase Activities
(Karger, 2018)Phospholipases are classified in different enzyme families according to the ester bond they cleave within phospholipids. The use of phospholipases in industrial processes has prompted the search for new enzymes with ... -
Primera cita de Megastigmus zebrinus Grissell de Argentina (Hymenoptera: Torymidae) asociado a agallas de Leptocybe invasa (Hymenoptera: Eulophidae) = First record of Megastigmus zebrinus Grissell from Argentina (Hymenoptera: Torymidae) associated with galls of Leptocybe invasa (Hymenoptera: Eulophidae)
(Sociedad Entomológica Argentina, 2015)Se cita por primera vez de Argentina la presencia de Megastigmus zebrinus Grissell (Hymenoptera: Torymidae) asociada a agallas de Eucalyptus camaldulensis Dehnhardt (Myrtaceae) producidas por Leptocybe invasa Fisher & ... -
Primeros estudios sobre asociaciones tróficas de interés para la sanidad forestal en Eucalyptus spp. = Preliminary studies on trophic associations of interest for forest health in Eucalyptus spp.
(Sociedad Entomológica Argentina, 2014)Se llevaron a cabo muestreos sobre las principales plagas de eucaliptos y sus enemigos naturales en dos sitios de la provincia de Buenos Aires. Se cuantificó la abundancia de las plagas sobre diversas especies de eucaliptos ... -
Temporal variation of physico-chemical, microbiological, and parasitological properties of poultry manure from two egg production systems
(Springer, 2020-03)Egg production has increased worldwide and, consequently, there is a large volume of poultry manure generated. The principal egg production systems are the caged ones, namely the conventional and the automated. The aim of ... -
Field assay using a native entomopathogenic nematode for biological control of the weevil Phyrdenus muriceus in organic eggplant crops in Argentina
(Springer, 2020)The weevil Phyrdenus muriceus Germar (Coleoptera: Curculionidae) is an emergent pest of eggplant (Solanum melongena L.) crops in the humid Pampa of Argentina. Entomopathogenic nematodes (EPNs) constitute an effective and ... -
Capacidad de las macrofitas Lemna minor y Eichhornia crassipes para eliminar el níquel
(Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2012-08)El objetivo de este trabajo fue estudiar la capacidad de dos especies de macrofitas, Lemna minor y Eichhornia crassipes, para eliminar el níquel. Se realizaron cuatro tratamientos durante dos semanas para cada una de las ...