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Registro completo
Biblioteca (s) :  INIA La Estanzuela.
Fecha :  04/01/2018
Actualizado :  30/01/2020
Tipo de producción científica :  Artículos en Revistas Indexadas Internacionales
Autor :  GONZALEZ-BARRIOS, P.; CASTRO, M.; PÉREZ, O.; VILARÓ, D.; GUTIÉRREZ, G.
Afiliación :  PABLO GONZALEZ-BARRIOS,; MARINA CASTRO DERENYI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; OSVALDO MARTIN PÉREZ GONZÁLEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; DIEGO VILARÓ; LUCÍA GUTIÉRREZ.
Título :  Genotype by environment interaction in sunflower (Helianthus annus L.) to optimize trial network efficiency.
Fecha de publicación :  2017
Fuente / Imprenta :  Spanish Journal of Agricultural Research, v.15. n.4, e0705, 2017.
DOI :  10.5424/sjar/2017154-11016
Idioma :  Inglés
Notas :  Article history: Received: 06 Jan 2017, Accepted: 01 Dec 2017.
Contenido :  Abstract: Modeling genotype by environment interaction (GEI) is one of the most challenging aspects of plant breeding programs. The use of efficient trial networks is an effective way to evaluate GEI to define selection strategies. Furthermore, the experimental design and the number of locations, replications, and years are crucial aspects of multi-environment trial (MET) network optimization. The objective of this study was to evaluate the efficiency and performance of a MET network of sunflower (Helianthus annuus L.). Specifically, we evaluated GEI in the network by delineating mega-environments, estimating genotypic stability and identifying relevant environmental covariates. Additionally, we optimized the network by comparing experimental design efficiencies. We used the National Evaluation Network of Sunflower Cultivars of Uruguay (NENSU) in a period of 20 years. MET plot yield and flowering time information was used to evaluate GEI. Additionally, meteorological information was studied for each sunflower physiological stage. An optimal network under these conditions should have three replications, two years of evaluation and at least three locations. The use of incomplete randomized block experimental design showed reasonable performance. Three mega-environments were defined, explained mainly by different management of sowing dates. Late sowings dates had the worst performance in grain yield and oil production, associated with higher temperatures before anthesis and f... Presentar Todo
Palabras claves :  GENOTYPE BY ENVIRONMENT INTERACTION; MULTI-ENVIRONMENT TRIALS; NETWORK EFFICIENCY; SUNFLOWER; YIELD STABILITY.
Thesagro :  GIRASOL; INTERACCIÓN GENOTIPO AMBIENTE.
Asunto categoría :  F01 Cultivo
URL :  http://www.ainfo.inia.uy/digital/bitstream/item/8628/1/SJAR.2017.v.15.n.4.pdf
Marc :  Presentar Marc Completo
Registro original :  INIA La Estanzuela (LE)
Biblioteca Identificación Origen Tipo / Formato Clasificación Cutter Registro Volumen Estado
LE102292 - 1PXIAP - DD

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Acceso al texto completo restringido a Biblioteca INIA Treinta y Tres. Por información adicional contacte bibliott@inia.org.uy.
Registro completo
Biblioteca (s) :  INIA Treinta y Tres.
Fecha actual :  26/09/2014
Actualizado :  11/10/2019
Tipo de producción científica :  Artículos en Revistas Indexadas Internacionales
Circulación / Nivel :  A - 2
Autor :  ABREO, E.; MARTINEZ, S.; BETTUCCI, L.; LUPO, S.
Afiliación :  SEBASTIAN MARTINEZ KOPP, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay.
Título :  Phaeomoniella chlamydospora and Phaeoacremonium ssp. in gravevines from Uruguay.
Fecha de publicación :  2011
Fuente / Imprenta :  Phytopathologia Mediterranea. 2011. v.50 (Supplement), p.77-85.
ISSN :  1593-2095
DOI :  10.14601/Phytopathol_Mediterr-8682
Idioma :  Inglés
Notas :  Article history: accepted for publication: February 15, 2010; published 2011. http://dx.doi.org/10.14601/Phytopathol_Mediterr-8682
Contenido :  Summary Symptoms corresponding to esca and Petri diseases have been described in Uruguay as being associated with Phaeomoniella chlamydospora and Phaeoacremonium spp. Isolates of Phaeoacremonium spp. recovered from diseased grapevines were characterized and identified. Additionally, specific primers developed for Pa. chlamydospora and Phaeoacremonium spp. were evaluated for direct detection of these fungi in asymptomatic grapevine tissues. The bark was removed, and the trunk underneath was surface-disinfected. Chips from symptomatic grapevines were plated on potato dextrose agar and incubated at 25°C. Isolates were identified morphologically and phylogenetically. Sequences of ITS rDNA, ?-tubulin and actin genes made it possible to identify 52 isolates as Pa. chlamydospora, 33 as Pm. aleophilum, and one as Pm. australiense. The Pm. aleophilum isolates were divided into three groups by their growth pattern and their colony shape at 37°C: a) white colonies with yellow or brown reverse; b) brown colonies with clear margin and a dark center on the reverse; c) brown colonies with dark-brown diffusible pigments and brown reverse. Further studies are required to explain these differences. Primers Pac1f/Pac2r specific for Phaeoacremonium spp., Pal1N/Pal2 specific for Pm. aleophilum, F2bt/R1bt specific for Pm. aleophilum and ten other Phaeoacremonium species, and Pch1/Pch2 and Pmo1f/Pmo2r, both specific for Pa. chlamydospora were evaluated on the DNA of target fungi and some of other ... Presentar Todo
Palabras claves :  ASYMPTOMATIC CANES; ESCA; MONITORING; PETRI DISEASE; SPECIFIC PRIMERS.
Thesagro :  ENFERMEDADES DE LA VID; ENFERMEDADES DE LAS PLANTAS; URUGUAY.
Asunto categoría :  H20 Enfermedades de las plantas
Marc :  Presentar Marc Completo
Registro original :  INIA Treinta y Tres (TT)
Biblioteca Identificación Origen Tipo / Formato Clasificación Cutter Registro Volumen Estado
TT100125 - 1PXIAP - DDPP/Martínez/Arb/2011/2
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