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Mostrando ítems 1-20 de 21
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Análisis de la secuencia genómica de Bacillus thuringiensis serovar darmstadiensis INTA Mo14-4, una cepa argentina con actividad nematicida
(Asociación Argentina de Microbiología, 2021-09-15)Bacillus thuringiensis es una bacteria gram positiva que produce durante la esporulación uno o más cuerpos parasporales cristalinos proteínicos responsables de su actividad letal para diversos invertebrados (artrópodos y ... -
Bacillus thuringiensis: ¿nuevas aplicaciones para un viejo conocido?
(2017-06)Bacillus thuringiensis (B. thuringiensis) se caracteriza principalmente por producir durante la esporulación una inclusión parasporal formada por uno o más cuerpos cristalinos de naturaleza proteica, que son selectivamente ... -
Control biológico de áfidos por métodos conservativos en cultivos hortícolas y aromáticas
(Ediciones INTA, 2015)En los agroecosistemas con predominio de monocultivos, la biodiversidad se encuentra fuertemente alterada produciendo frecuentes situaciones de inestabilidad en el sistema. El manejo del hábitat constituye una alternativa ... -
Effects of Mixed Baculovirus Infections in Biological Control: A Comprehensive Historical and Technical Analysis
(Multidisciplinary Digital Publishing Institute (MDPI), 2023-08-30)Baculoviruses are insect-specific DNA viruses that have been exploited as bioinsecticides for the control of agricultural and forest pests around the world. Mixed infections with two different baculoviruses have been found ... -
Estudios biológicos en pulgones (Hemiptera, Aphididae) plaga del trigo (Triticum aestivum L., Poaceae) para el desarrollo de métodos de control de bajo impacto ambiental
(Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, 2021-03)Los áfidos causan importantes pérdidas económicas en el cultivo de trigo. Los distintos genotipos de plantas manifiestan distintos niveles de resistencia contra las plagas. Para contar con información aplicable a medidas ... -
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 ... -
Inherited sterility in Tuta absoluta (Lepidoptera: Gelechiidae): Pest population suppression and potential for combined use with a generalist predator
(2016)Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) is one of the most devastating pests of tomato. We studied whether partially sterile T. absoluta males and fully sterile females were capable of suppressing wild populations ... -
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 ... -
Midgut Genes Knockdown by Oral dsRNA Administration Produces a Lethal Effect on Cotton Boll Weevil
(Springer, 2021-02)The “cotton boll weevil” (Anthonomus grandis Boheman) is a key pest in America whose larval stage develops within the cotton flower bud. During its development, the larva uses the flower bud as food and as a shelter from ... -
Molecular detection of reproductive symbionts and parthenogenesis experiments in Tuta absoluta from Argentina: facing potential for sustainable and specific pest control strategies
(Wiley, 2023-06-07)Tomato leafminer, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae), is a key pest of tomato crops. Specific and environmentally friendly control strategies against this pest, such as the sterile insect technique (SIT), ... -
Moscas blancas y enemigos naturales asociados al cultivo de naranja bajo dos tipos de manejo sanitario en San Pedro, provincia de Buenos Aires = Whiteflies and natural enemies on orange crops under two types of sanitary management in San Pedro, Buenos Aires province
(Sociedad Entomológica Argentina, 2017)Las moscas blancas (Hemiptera: Aleyrodidae) son importantes plagas que afectan al género Citrus. En este trabajo se identificaron las especies presentes en naranjos de San Pedro (provincia de Buenos Aires) y se analizó su ... -
Moscas minadoras del girasol y sus enemigos naturales
(Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2011-08)Las “moscas minadoras” se caracterizan por excavar túneles (“minas”) en el interior de las hojas, consumiendo el mesófilo y dejando intacta la epidermis foliar o, al menos, su pared externa. Hay especies cuyas larvas, en ... -
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 ... -
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 ... -
Predatory capacity of Tupiocoris cucurbitaceus (Hemiptera Miridae) on several pests of tomato
(Department of Agroenvironmental Sciences and Technologies, Università di Bologna., 2019)The predator Tupiocoris cucurbitaceus (Spinola) is frequently found preying on whiteflies in greenhouse tomato without pesticide use in Argentina. This study evaluated its preying capacity on several pests, determining the ... -
RNAi Expression in Cotton for Control of Herbivorous Insects
(Springer, 2022)Cultivated cotton (Gossypium hirsutum) is heavily attacked by various species of insects worldwide and breeding of new varieties resistant to pests is still a hard battle to win. RNAi technology is an important reverse ... -
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 ... -
The pest kill rate of thirteen natural enemies as aggregate evaluation criterion of their biological control potential of Tuta absoluta
(Springer, 2021-05-24)Ecologists study how populations are regulated, while scientists studying biological pest control apply population regulation processes to reduce numbers of harmful organisms: an organism (a natural enemy) is used to reduce ... -
Transcriptomic Survey of the Midgut of Anthonomus grandis (Coleoptera: Curculionidae)
(Entomological Society of America, 2014-11)Anthonomus grandis Boheman is a key pest in cotton crops in the New World. Its larval stage develops within the flower bud using it as food and as protection against its predators. This behavior limits the effectiveness ... -
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 ...