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Rodrigo Iván Contreras Soto

Associate Professor

Universidad de O'Higgins

San Fernando, Chile

Plant breeding; Quantitative genetics; Population genetics; Statistical data analysis in Plant Breeding.

Genética y Mejoramiento, UNIVERSIDADE ESTADUAL DE MARINGÁ. Brasil, 2017
Ciencias Forestales, UNIVERSIDAD DE CONCEPCION. Chile, 2013
Ingeniero en Biotecnologia Vegetal, UNIVERSIDAD DE CONCEPCION. Chile, 2011

Ayudante Part Time

UNIVERSIDAD DE CONCEPCION

Ciencias Forestales

Concepción, Chile

2010 - 2012
Ayudante Other

Universidade Estadual de Maringá

Ciencias Agrarias

Maringá, Brasil

2014 - 2017
Miembro de claustro Programa Magíster Ecología Aplicada Other

Universidad de Talca

Chile

2020 - A la fecha
Assistant Professor Full Time

Universidad de O'Higgins

Instituto de Ciencias Agroalimentarias, Animales y Ambientales (ICA3)

San Fernando, Chile

2017 - 2022
Associate Professor Full Time

Universidad de O'Higgins

Instituto de Ciencias Agroalimentarias, Animales y Ambientales - ICA3

San Fernando, Chile

2023 - A la fecha
Director Full Time

Universidad de O'Higgins

Instituto de Ciencias Agroalimentarias, Animales y Ambientales

San Fernando, Chile

2023 - A la fecha

Scholarship Part Time

Universidad de concepción / Fondecyt 11090129

Concepción, Chile

2010 - 2012
Research Assistant Full Time

INIA Rayentué / CEAF

Rengo, Chile

2012 - 2013
Research Assistant Full Time

Universidade Estadual de Maringá

Maringá, Brasil

2014 - 2017
Asesoría Diseño Experimental y Análisis de Datos para Centro Regional de Investigación e Innovación para la sostenibilidad de la Agricultura y los Territorios Rurales Part Time

CERES

Chile

2020 - 2021
Director de Instituto Full Time

Universidad de O'Higgins

San Fernando, Chile

2023 - A la fecha

Master students

(2019-2021) Dinoclaudio Zacarias Rafael, Master in Applied Ecology, Universidad de Talca. Co-guide. Thesis: "Evaluación de parámetros morfológicos del sistema de arquitectura de raíces en genotipos de Lagenaria siceraria y su respuesta fisiológica bajo condiciones de estrés hídrico"

(2023-2024) Nicole Cortez Jorquera, Master in Biotechnology, Universidad de O'Higgins. Guia. Thesis: "Predicción in silico de marcadores moleculares microsatelites cercanos a un gen de defensa candidato frente a la infección por fusarium sp. en accesiones de Lagenaria siceraria ‘Osorno’ y ‘Flipinas"

(2024-2025) Raúl Flores Chacón, Master in Biotechnology, Universidad de O'Higgins. Guia. Thesis: "Respuesta metabolómica en raíces de portainjertos contrastantes de Lagenaria siceraria y hojas del injerto Citrullus lanatus bajo condiciones de estrés por sequía"

(2025-Presente) Sebastián Flores-Chacón, Master in Biotechnology, Universidad de O'Higgins. Guia.

(2025-Presente) Jorge Ali Ussene, Master in Applied Ecology, Universidad de Talca.

PhD students

(2017-2020) Diego Ary Rizzardi, PhD in Plant Genetics and Breeding, Universidade Estadual de Maringá, Brasil. Co-guide. Thesis: "Estudo de associação genômica ampla para resistência a Helmintosporiose comum em milho"

(2017-2020) Edicarlos Peterlini, PhD in Plant Genetics and Breeding, Universidade Estadual de Maringá, Brasil. Co-guide. Thesis: "Mapeamento associativo para severidade a Exserohilum turcicum utilizando marcadores SNP’s em linhagens de milho-comum e pipoca"

Post-doctorate Supervision

(2020-2022) Carlos Maldonado Muñoz. Instituto de Ciencias Agroalimentarias, Animales y Ambientales – ICA3. Universidad de O’Higgins.
(2025-) Cristian Hernández Adasme. Instituto de Ciencias Agroalimentarias, Animales y Ambientales – ICA3. Universidad de O’Higgins.

Key Talks

1. Contreras-Soto RI; Kuki MC; Coan MMD; Scapim CA. A Genome-Wide Association Study reveals SNPs associated with diplodia ear rot resistance in a tropical maize core diversity panel. 10° Congresso de Melhoramento Genético de Plantas, Aguas de Lindoia, Brasil 2019.
2. Contreras-Soto RI; Mora F; Scapim CA; Schuster I. Genome-wide association mapping for flowering and maturity in tropical soybean: implications for breeding strategies. Flash Talk. XII Reunión de biología vegetal, Pucón, Chile 2017.
3. Contreras-Soto RI; Mora F; Scapim CA; Schuster I. Genotyping of SOYSNP6K, population structure and relatedness of a whole collection of tropical soybean. 8° Congresso de Melhoramento Genético de Plantas, Gioania, Brasil 2015.

Outreach Activities

EXPLORA CONICYT "1000 científicos, 1000 aulas" (2017-2018-2019)

Beca CAPES

Ministério da Educação

Brasil, 2017

Beca de la República de Brasil para Estudios de doctorado.


Effect of Biochar as an Additive in Co-Composting: Impacts on Physicochemical Properties, Enzyme Activity, and Substrate Quality Carreno, Gonzalo; Marambio, Ricardo; Aceituno-Valenzuela, Uri; Aponte, Humberto; Calabi-Floody, Marcela; Contreras-Soto, Rodrigo Ivan; Rojas, Claudia; Medina, Jorge Article ISI AGRONOMY (2026)
First Report of <i>Fusarium clavum</i> Causing Fusarium Wilt Disease on Watermelon in Chile Fuentealba, Set Perez; Cortez, Nicole; Soto, Jenny; Contreras-Soto, Rodrigo Article ISI PLANT DISEASE (2026)
Genome-wide association study and pathway analysis to dissect the genetic control of stay-green in a Brazilian panel of tropical maize inbred lines Uhdre, Renan; Peterlini, Edicarlos; Contreras-Soto, Rodrigo Ivan; Scapim, Carlos Alberto; Warburton, Marilyn L. Article ISI CROP SCIENCE (2026)
Comprehensive Assessment of Morphological Diversity in Bottle Gourd (Lagenaria siceraria) Accessions: A Focus on Roots and Morpho-Agronomic Traits Flores-Chacon, Sebastian; Carreno, Gonzalo; Maldonado, Carlos Article ISI (2024)
The inhibition of N 2 fixation by nitrogen is attenuated by the P supply, altering the plant metabolism Maldonado, Carlos; Pedreschi, Romina Article ISI (2024)
A meta-analysis on rootstock-induced effects in grafted watermelon (Citrullus lanatus var. lanatus) Shimelis, Hussein; Ngwepe, Richard Mantlo Article ISI SCOPUS Scientia Horticulturae (2023)
Evaluation of Compost and Biochar as Partial Substitutes of Peat in Growing Media and Their Influence in Microbial Counts, Enzyme Activity and Lactuca sativa L. Seedling Growth Rozas, Amanda; Maldonado, Carlos; Rojas, Claudia Article ISI SCOPUS Horticulturae (2023)
Phenobreed: A Prototype for Photogrammetry-Based Quick Root Phenotyping Casagrande, Daniel E. Article SCOPUS Proceedings - IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies, ChileCon (2023)
Rootstocks Comparison in Grafted Watermelon under Water Deficit: Effects on the Fruit Quality and Yield Morales, Carolina; Seguel, Felipe Espinoza; Maldonado, Carlos; Pinto, Catalina Article ISI SCOPUS Plants (2023)
A Neural Network-Based Spectral Approach for the Assignment of Individual Trees to Genetically Differentiated Subpopulations Maldonado, Carlos; Baettig, Ricardo; Lobos, Gustavo Adolfo Article ISI SCOPUS Remote Sensing (2022)
Combining ability and heterotic pattern in relation to F1 performance of tropical and temperate-adapted sweet corn lines de Souza Neto, Israel Leite; Uhdre, Renan Santos; Scapim, Carlos Alberto; Zanotto, Mauricio Dutra Article ISI SCOPUS BRAGANTIA (2022)
Genome wide association study identifies SNPs associated with northern corn leaf blight caused by Exserohilum turcicum in tropical maize germplasm (Zea mays L.) Rizzardi, Diego Ary; Peterlini, Edicarlos; Scapim, Carlos Alberto; Faria, Marcos Ventura Article ISI SCOPUS EUPHYTICA (2022)
Implementing two methods to compute the area covered by watermelon plants using aerial RGB imagery PINTO-PALACIOS, CATALINA JAVIERA Article SCOPUS 2022 IEEE International Conference on Automation/25th Congress of the Chilean Association of Automatic Control: For the Development of Sustainable Agricultural Systems, ICA-ACCA 2022 (2022)
Variation in Root-Related Traits Is Associated With Water Uptake in Lagenaria siceraria Genotypes Under Water-Deficit Conditions Domingos Moiana, Leonel; Maldonado, Carlos Article ISI SCOPUS FRONTIERS IN PLANT SCIENCE (2022)
The Genetic Diversity and Population Structure of Different Geographical Populations of Bottle Gourd (Lagenaria siceraria) Accessions Based on Genotyping-by-Sequencing Maldonado, Carlos Article ISI SCOPUS Agronomy (2021)
Genome-Wide Prediction of Complex Traits in Two Outcrossing Plant Species Through Deep Learning and Bayesian Regularized Neural Network Maldonado, Carlos; Ahmar, Sunny; Chen, Jen-Tsung; do Amaral Junior, Antonio Teixeira; Scapim, Carlos Alberto Article ISI SCOPUS Frontiers in Plant Science (2020)
Plasticity of the Root System Architecture and Leaf Gas Exchange Parameters Are Important for Maintaining Bottle Gourd Responses under Water Deficit Zacarias Rafael, Dinoclaudio; Arriagada, Osvin; Mashilo, Jacob; Mora-Poblete, Freddy Article ISI SCOPUS Plants (2020)
A genome-wide association study for partial resistance to southern corn rust in tropical maize de Souza Camacho L.R.; Barth Pinto R.J.; Tessmann D.J. Article ISI SCOPUS Plant Breeding (2019)
A new partial diallel model adapted to analyze reciprocal effects in grain yield of maize Barata N.M.; Guedes T.A.; Janeiro V.; Soto R.I.C.; Kuki M.C. Article ISI SCOPUS CROP BREEDING AND APPLIED BIOTECHNOLOGY (2019)
Evaluation of resistance to Spodoptera frugiperda in sweet and field corn genotypes Crubelati-Mulati NC; Castro, CR; Carlos A Scapim Article ISI MAYDICA (2019)
Genetic diversity, population structure and AFLP markers associated with maize reaction to southern rust Giordani W.; Ruas P.M.; Fonseca I.C.B.; GonÃ§alves L.S.A. Article ISI SCOPUS BRAGANTIA (2019)
Multivariate analysis reveals key traits of fall armyworm resistance in tropical popcorn genotypes Sanches R.E.; de Albuquerque F.A. Article ISI SCOPUS BRAGANTIA (2019)
Partial diallel analysis of maize inbred lines for grain yield and resistance to gray leaf spot including reciprocal effects Camacho, Lucas Rafael; Barata, Nazaré; Valdery, Janeiro; Scapim, Carlos Alberto Article ISI MAYDICA (2019)
Topcrosses in the selection of testers and inbred lines S3 for the yield and bromatological quality of silage maize Pinto R.J.B.; Matsuzaki RA; Jobim CC; Faria M.V. Article ISI MAYDICA (2019)
Temporal dynamics and management of downy mildew on the table grape BRS Vitoria in northern Parana Naves, Rosemeire de Lellis; Ivan Contreras-Soto, Rodrigo; Pereira, Carolina Bertuzzi; de Souza, Reginaldo Teodoro; Santana, Rosangela Getirana; Tessmann, Dauri Jose Article ISI SCOPUS SEMINA-CIENCIAS AGRARIAS (2018)
A Genome-Wide Association Study for Agronomic Traits in Soybean Using SNP Markers and SNP-Based Haplotype Analysis Contreras-Soto, Rodrigo Ivan; de Oliveira, Marco Antônio Rott; Higashi, Wilson; Schuster, Ivan; Parida, Swarup Kumar Article ISI SCOPUS PLOS ONE (2017)
Generalized mixed linear modeling approach to analyze nodulation in common bean inbred lines Rizzardi D.A.; Figueiredo A.S.T.; Andrade, CAD; Santana, RG Article ISI SCOPUS Pesquisa Agropecuaria Brasileira (2017)
Genome-wide association mapping for flowering and maturity in tropical soybean: implications for breeding strategies Lazzari, F; de Oliveira, MAR; Scapim C.A.; Schuster, I Article ISI SCOPUS Breeding Science (2017)
Inbreeding depression and average genetic components in green corn genotypes Scapim, Carlos Alberto; Barth Pinto, Ronald Jose; Torre Figueiredo, Alex Sandro; Bengosi Bertagna, Filipe Augusto Article ISI CIENCIA RURAL (2017)
Population structure, genetic relatedness and linkage disequilibrium blocks in cultivars of tropical soybean (Glycine max) Contreras-Soto, Rodrigo Ivan; de Oliveira, Marcelo Berwanger; Costenaro-da-Silva, Danielle; Schuster, Ivan Article ISI SCOPUS EUPHYTICA (2017)
Identification of ISSR markers linked to flowering traits in a representative sample of Eucalyptus cladocalyx Contreras-Soto, R.; Ballesta P; Ruiz E.; Mora F. Article ISI SCOPUS JOURNAL OF FORESTRY RESEARCH (2016)
Analysis of the genetic diversity of Eucalyptus cladocalyx (sugar gum) using ISSR markers Ballesta P; Mora F.; Contreras-Soto R.I.; Ruiz E.; Perret S. Article ISI SCOPUS Acta Scientiarum - Agronomy (2015)
Comparison of HMRPGV, Lin and Binn's, and Annichiarico's methods for maize hybrid selection for high and stable yield Scapim, Carlos Alberto Article ISI-SCOPUS MAYDICA (2015)
Marker-trait associations for survival, growth, and flowering components in Eucalyptus cladocalyx under arid conditions Ballesta P; Mora F.; Ruiz E.; Contreras-Soto, R. Article ISI SCOPUS Biologia Plantarum (2015)
BAYESIAN PREDICTION OF POPULATION PERFORMANCE OF Eucalyptus cladocalyx FOR BINARY TRAITS OF FLOWERING COMPONENTS AND SURVIVAL IN ARID ZONES OF CHILE Contreras-Soto, R.; Mora F.; Perret S.; Vargas-Reeve, F; Cane-Retamales C. Article ISI INTERCIENCIA (2011)
Bayesian threshold analysis of breeding values, genetic correlation and heritability of flowering intensity in Eucalyptus cladocalyx under arid conditions Cane-Retamales C.; Mora F.; Vargas-Reeve, F; Perret S.; Contreras-Soto, R. Article ISI SCOPUS Euphytica (2011)


SaviaLab Región de O'Higgins Proyecto (2024)
Towards omics-assisted breeding of Eucalyptus essential oils, and insights into transcriptional regulation of terpenoid genes in response to water deficit Freddy Mora; Rodrigo Contreras-Soto Proyecto (2023)
Transferencia: cámara de simulación agroclimática Proyecto (2023)
PhenoBreed: Un prototipo de cámaras de bajo costo para el fenotipado de plantas Proyecto (2019)


Plant-derived biostimulants and plant water relations: Current knowledge and the emerging roles of aquaporins Albaladejo-Marico, Lorena; Hernandez-Adasme, Cristian; Contreras-Soto, Rodrigo; Yepes-Molina, Lucia Review ISI PLANT SCIENCE (2026)