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Ability of in situ canopy spectroscopy to differentiate genotype by environment interaction in wheat
Arias, Claudia; Montero Bulacio, Enrique; Rigalli, Nicolás; Romagnoli, Martín; Curin, Facundo; Gonzalez, Fernanda Gabriela; Otegui, María Elena; Portapila, Margarita (Taylor & Francis, 2021-03)In recent years, the application of remote sensing techniques is gaining a growing interest and importance in agriculture. Researchers often combine data from near-infrared and red spectral bands according to their specific ... -
Breeding for increased grains/m2 in wheat crops through targeting critical period duration : a review
Fischer, Tony; Gonzalez, Fernanda Gabriela; Miralles, Daniel Julio (Elsevier, 2024-08)Context: Continuing to raise the potential yield of wheat through breeding is essential for global food security. Past progress has largely been associated with greater grains/m2 (GN), the critical period for the determination ... -
Changes in number and weight of wheat and triticale grains to manipulation in source-sink relationship
Ballesteros Rodríguez, Elia; Martínez Rueda, Carlos Gustavo; Morales Rosales, E. J.; Estrada Campuzano, Gaspar; Gonzalez, Fernanda Gabriela (Hindawi, 2019-01)The source-sink ratio experimental manipulation has helped to define whether a crop is limited by source or sink or co-limited by both. There is no evidence in triticale of source-sink manipulations effects on yield and ... -
Cómo afectan los genes de sensibilidad al fotoperíodo PPD-1 al desarrollo del trigo a antesis?
Perez Gianmarco, Thomas; Slafer, Gustavo; Gonzalez, Fernanda Gabriela (Ediciones INTA, 2018-04)La sensibilidad al fotoperiodo afecta la adaptación del trigo al ambienteal modifiar: (i) la fecha de antesis, (ii) la duración de las etapas vegetativa y reproductiva previas a antesis, y (iii) la generación de estructuras ... -
Desarrollo de trigo en pre-antesis según la combinación alélica para los genes de sensibilidad al fotoperíodo (Ppd-1) en fotoperíodos contrastantes
Perez Gianmarco, Thomas; Slafer, Gustavo A.; Gonzalez, Fernanda Gabriela (2018-04)Adecuar la fecha de antesis (AN) al ambiente en el que crece el cultivo (adaptación) es crucial para maximizar el rendimiento alcanzable. Además, hay evidencias que sugieren que alargar la etapa en la que se diferencian ... -
Efecto del mejoramiento de trigo en Argentina sobre la eficiencia del uso de los recursos
Curin, Facundo; Otegui, María Elena; Gonzalez, Fernanda Gabriela (EEA Pergamino, INTA, 2024-04)El mejoramiento genético de trigo en Argentina ha incrementado el rendimiento producto de mejoras de las eficiencias del uso del agua y la radiación acompañadas por una mayor partición de biomasa a grano y una mayor ... -
Enhancing water use efficiency in wheat : 40 Years of genetic gains in the Argentine Pampas
Curin, Facundo; Otegui, María Elena; Gonzalez, Fernanda Gabriela (Elsevier, 2025-04)Understanding the impact of breeding on water use and productivity, particularly in underexplored environments where pre-anthesis rainfall is often limited, is crucial for increasing wheat grain yield (GY) under future ... -
Enhancing wheat yield potential through the QTL QFFE.perg-5A and QFEm.perg-3A associated to spike fruiting efficiency : insights from plot-level analysis
Pretini, Nicole; Vanzetti, Leonardo Sebastian; Terrile, Ignacio Ismael; Silva, Paula; Ferrari, Giuliana; Gonzalez, Fernanda Gabriela (Elsevier, 2025-03)Wheat (Triticum aestivum L.) is a key global crop, essential for food security. To enhance its productivity this study focused on two quantitative trait loci (QTL), QFFE.perg-5A and QFEm.perg-3A, previously associated with ... -
Field-grown transgenic wheat expressing the sunflower gene HaHB4 significantly outyields the wild type
Gonzalez, Fernanda Gabriela; Capella, Matías; Ribichich, Karina Fabiana; Curín, Facundo; Giacomelli, Jorge Ignacio; Ayala, Francisco; Watson, Gerónimo; Otegui, María Elena; Lía Chan, Raquel (2019-02)HaHB4 is a sunflower transcription factor belonging to the homeodomain-leucine zipper I family whose ectopic expression in Arabidopsis triggers drought tolerance. The use of PCR to clone the HaHB4 coding sequence for wheat ... -
Fruiting efficiency : an alternative trait to further rise wheat yield
Slafer, Gustavo A; Elia, Mónica; Savin, Roxana; García, Guillermo Ariel; Terrile, Ignacio Ismael; Ferrante, Ariel; Miralles, Daniel Julio; Gonzalez, Fernanda Gabriela (2015-07)Further improvements in wheat yields are critical, for which increases in grain number would be required. In the recent past, higher grain number was achieved through increased growth of the juvenile spikes before anthesis, ... -
Gene-based model to predict heading date in wheat based on allelic characterization and environmental drivers
Jardón, Mariana; Alvarez Prado, Santiago; Vanzetti, Leonardo Sebastian; Gonzalez, Fernanda Gabriela; Pérez Gianmarco, Thomas; Gomez, Dionisio Tomas; Serrago, Román A.; Dubcovsky, Jorge; Fernandez Long, Maria Elena; Miralles, Daniel Julio (Oxford University Press, 2025-02)While numerous wheat phenology prediction models are available, most of them are constrained to using variety-dependent coefficients. The overarching objective of this study was to calibrate a gene-based model to predict ... -
Identification and validation of QTL for spike fertile floret and fruiting efficiencies in hexaploid wheat (Triticum aestivum L.)
Pretini, Nicole; Vanzetti, Leonardo Sebastian; Terrile, Ignacio Ismael; Börner, Andreas; Plieske, Jörg; Ganal, Martin; Röder, Marion; Gonzalez, Fernanda Gabriela (Springer, 2020-06)The spike fruiting efficiency (FE—grains per unit spike dry weight at anthesis, GN/SDW) is a promising trait to improve wheat yield potential. It depends on fertile floret efficiency (fertile florets per unit SDW—FFE, ... -
Mapping QTL for spike fertility and related traits in two doubled haploid wheat (Triticum aestivum L.) populations
Pretini, Nicole; Vanzetti, Leonardo Sebastian; Terrile, Ignacio Ismael; Donaire, Guillermo Manuel; Gonzalez, Fernanda Gabriela (BMC, 2021-07)Background: In breeding programs, the selection of cultivars with the highest yield potential consisted in the selection of the yield per se, which resulted in cultivars with higher grains per spike (GN) and occasionally ... -
Photoperiod-sensitivity genes (Ppd-1) : quantifying their effect on the photoperiod response model in wheat
Perez Gianmarco, Thomas; Severini, Alan David; Gonzalez, Fernanda Gabriela (Oxford University Press, 2019-10)Coupling anthesis date to the most suitable environmental conditions is critical for wheat (Triticum aestivum L.) adaptation and yield potential. Development to anthesis is controlled by temperature and photoperiod. Response ... -
Photoperiod-sensitivity genes shape floret development in wheat
Perez Gianmarco, Thomas; Slafer, Gustavo A.; Gonzalez, Fernanda Gabriela (2019-02)Lengthening the pre-anthesis period of stem elongation (or late-reproductive phase, LRP) through altering photoperiod sensitivity has been suggested as a potential means to increase the number of fertile florets at anthesis ... -
Physiological and environmental dissection of developmental drivers for predicting heading date in wheat based on Vrn1, Ppd1 and Eps-D1 allelic characterization
Jardón, Mariana; Alvarez Prado, Santiago; Vanzetti, Leonardo Sebastian; Gonzalez, Fernanda Gabriela; Pérez Gianmarco, Thomas; Gomez, Dionisio Tomas; Serrago, Román A.; Dubcovsky, Jorge; Miralles, Daniel Julio (Elsevier, 2023-03)Heading time is a critical feature determining wheat performance. Over the years, average global temperatures have increased, leading to adjustments in agronomic practices such as sowing dates and cultivar election. Bread ... -
Producción de trigo: evolución, demanda y alternativas para mejorarla. Una visión ecofisiológica
Gonzalez, Fernanda Gabriela; Perez-Gianmarco, Thomas; Pretini, Nicole; Curín, Facundo (Ediciones INTA, 2018-04)La producción de trigo a nivel global es clave para alcanzar un estándar razonable de seguridad alimentaria. Mejorar los rendimientos obtenidos en un país exportador como Argentina permite aumentar los excedentes de ... -
Progreso de rendimiento en trigo argentino en los últimos 30 años bajo condiciones potenciales y limitadas por nitrógeno y/o agua
Curín, Facundo; Otegui, María Elena; Gonzalez, Fernanda Gabriela (Ediciones INTA, 2018-04)El progreso genético del rendimiento en trigo resultó de 0,8 % anual para los cultivares liberados en los últimos 30 años. Dicho progreso se mantuvo ante condiciones limitantes de nitrógeno y agua, reforzando la idea de ... -
Prospects for plant productivity: from the canopy to the nucleus
Gonzalez, Fernanda Gabriela; Manavella, Pablo A. (Oxford University Press, 2021-05)Population growth has been closely associated with agricultural production, since the first famine predicted by Malthus (1798) up to the Green Revolution of the past century. Today, we continue to face increasing demand ... -
Relación entre el coeficiente de fertilidad de la espiga de trigo y el peso de los granos
Pretini, Nicole; Terrile, Ignacio Ismael; Donaire, Guillermo Manuel; Gonzalez, Fernanda Gabriela (2018-08)El coeficiente de fertilidad de la espiga (CFE) ha sido identificado como atributo promisorio para incrementar el número de granos (Ng) y así el rendimiento de trigo. sin embargo, para que la selección por CFE resulte no ...