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Caracterización de la composición en especies del género Helicoverpa en cultivos de maíz, soja y alfalfa de la región central de Argentina
Balbi, Emilia Ines (Facultad de Agronomía, Universidad de Buenos Aires, 2019-05)Heliothinae es una subfamilia cosmopolita de noctuidos que incluye especies relevantes en el mundo. Su notabilidad se debe a que en su estadio larval se alimentan predominantemente de estructuras reproductivas de plantas ... -
Diferenciación de nuevas variedades de olivo de la provincia de Catamarca, Argentina, mediante fenología, descriptores morfológicos, NIR y microsatélites
Delgado, Iván Darío; Amorena, José Ignacio; Montalvan, Luis Dario; Ulrich, Maria Noelia; Prenol, Luis Victor; Rodrigues Nunes, Jose Airton; Tosto, Daniela Sandra (Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, 2024-10)El cultivo de olivo (Olea europaea) en Argentina constituye una actividad agrícola relevante en las regiones de Cuyo y NOA. La provincia de Catamarca se destaca por sus características agroclimáticas favorables ... -
Early genetic consequences of defaunation in a large-seeded vertebrate-dispersed palm (Syagrus romanzoffiana)
Giombini, Mariano Ignacio; Bravo, Susana Patricia; Sica, Yanina Vanesa; Tosto, Daniela Sandra (2017)Plant populations are seriously threatened by anthropogenic habitat disturbance. In particular, defaunation may disrupt plantdisperser mutualisms, thus reducing levels of seed-mediated gene flow and genetic variation in ... -
Evidence for multiple maternal lineages of the invasive pest Helicoverpa armigera in Argentina
Balbi, Emilia Ines; Tosto, Daniela Sandra; Flores, Fernando Miguel; Arneodo Larochette, Joel Demian (Springer, 2020-03)The polyphagous Helicoverpa armigera (Lepidoptera: Noctuidae) causes significant agricultural losses worldwide. This pest has recently expanded its range into South America. Since its first report in north-western Argentina, ... -
Further description of Helicoverpa zea (Lepidoptera: noctuidae) male genitalia and new genetic evidence of synonymy with respect to the anomalous form, “heliothis stombleri”
Balbi, Emilia Ines; Flores, Fernando Miguel; Tosto, Daniela Sandra; Arneodo Larochette, Joel Demian (2017-05-02)The Helicoverpa/Heliothis complex can cause serious damage to agricultural crops. Phenotypic similarity makes it difficult to discriminate between closely related Helicoverpa species. Currently, morphology of the male ... -
The key role of the largest extant Neotropical frugivore (Tapirus terrestris) in promoting admixture of plant genotypes across the landscape
Giombini, Mariano Ignacio; Bravo, Susana Patricia; Tosto, Daniela Sandra (2016)The historical and contemporary loss of large-bodied frugivores has disrupted many plant-disperser mutualisms, with potentially profound consequences for plants. Although several aspects of seed dispersal by megafrugivores ... -
Molecular evidence of hybrid zones of cedrela (Meliaceae) in the yungas of northwestern Argentina
Zelener, Noga; Fornes, Luis Fernando; Inza, Maria Virginia; Tosto, Daniela Sandra; Soldati, Maria Cristina; Oliveira, Luiz Orlando de (2016)In the Yungas of Northwestern Argentina, three endangered species of Cedrela (C. angustifolia, C. saltensis, and C. balansae) follow altitudinal gradients of distribution with contact zones between them. We sampled 210 ... -
Molecular identification for Helicoverpa spp. in Bt and non- Bt crops in central Argentina
Balbi, Emilia Ines; Flores, Fernando Miguel; Tosto, Daniela Sandra; Arneodo Larochette, Joel Demian (Embrapa Secretaria de Pesquisa e Desenvolvimento, 2022-06-24)The objective of this work was to identify, by molecular analysis, the species of the genus Helicoverpa in corn, soybean, and lucerne Bt and non-Bt crops, in central Argentina. A total of 1,343 carterpillars were analyzed ... -
On the origin of neo-sex chromosomes in the neotropical dragonflies Rhionaeschna bonariensis and R. planaltica (Aeshnidae, Odonata)
Mola, Liliana M.; Vrbová, Iva; Tosto, Daniela Sandra; Zrzavá, Magda; Marec, František (MDPI, 2022-12)Odonata have holokinetic chromosomes. About 95% of species have an XX/X0 sex chromosome system, with heterogametic males. There are species with neo-XX/neo-XY sex chromosomes resulting from an X chromosome/autosome fusion. ... -
Phylogeny of digitaria sections Trichachne and Trichophorae (Poaceae, Panicoideae, Paniceae) : a morphological and molecular analysis. New circumscription and synopsis
Lo Medico, Julia Mariela; Tosto, Daniela Sandra; Rua, Gabriel Hugo; Rugolo de Agrasar, Zulma Esther; Scataglini, Maria Amalia; Vega, Andrea Susana (2017)The present study provides evidence for taxonomic delimitation of Digitaria sect. Trichachne based on morphological data (micro- and macromorphology) and molecular data. A phylogenetic analysis was performed using 121 ... -
Population genetics structure of glyphosate‐resistant Johnsongrass (Sorghum halepense L. Pers) does not support a single origin of the resistance
Fernandez, Luis German; De Haro, Luis Alejandro; Distefano, Ana Julia; Martinez, Maria Carolina; Lia, Veronica Viviana; Papa, Juan Carlos; Olea, Ignacio; Tosto, Daniela Sandra; Hopp, Horacio Esteban (Wiley, 2013-09)Single sequence repeats (SSR) developed for Sorghum bicolor were used to characterize the genetic distance of 46 different Sorghum halepense (Johnsongrass) accessions from Argentina some of which have evolved toward ... -
Validation of reference genes for quantitative PCR in Johnsongrass (Sorghum halepense L.) under glyphosate stress
Ulrich, Maria Noelia; Muñiz-Padilla, Esteban; Corach, Alejandra; Hopp, Horacio Esteban; Tosto, Daniela Sandra (MDPI, 2021-08)Weeds are one of the main causes of the decrease in crop yields, with Johnsongrass (Sorghum halepense L.) being one of the most significant. Weeds can be controlled by herbicides, but some have developed resistance. ...