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Stem rot and aggregated sheath spot are the two major stem and sheath diseases affecting rice (Oryza sativa L.) in temperate areas. A third fungal disease, sheath blight, is a major disease in tropical areas. Resistance to these diseases is a key objective in rice breeding programs but phenotypin...


Rosas, Juan E.Martínez, SebastiánBlanco, PedroPérez de Vida, Fernando B.Bonnecarrère, VictoriaMosquera Cifuentes, Gloria MariaCruz Gallego, MaribelGaraycochea, SilviaMonteverde, ElianaMcCouch, SusanGermán, SilviaJannink, Jean-LucGutiérrez, Lucía[Resistance to Multiple Temperate and Tropical Stem and Sheath Diseases of Rice]Resistance to Multiple Temperate and Tropical Stem and Sheath Diseases of Rice

We describe here the complete genome of Rice hoja blanca tenuivirus. The sequenced isolate was obtained by insect vector transmission from a symptomatic rice sample grown in Colombia. Sequence data from the four RNA components were obtained by deep sequencing (Illumina), and infections were confi...


Jiménez Polo, JenyferCarvajal-Yepes, MonicaLeiva, Ana MariaCruz Gallego, MaribelRomero, Luz ElenaBolaños, Carmen A.Lozano, IvanCuéllar, Wilmer J.[Complete Genome Sequence of Rice hoja blanca tenuivirus Isolated from a Susceptible Rice Cultivar in Colombia]Complete Genome Sequence of Rice hoja blanca tenuivirus Isolated from a Susceptible Rice Cultivar in Colombia

Calvert, Lee A.Reyes Herrera, Luis AntonioCruz Gallego, Maribel[Variedades recomendadas para áreas con riesgo de epidemias de virus de hoja blanca]Variedades recomendadas para áreas con riesgo de epidemias de virus de hoja blanca

With the aim to find new sources of resistance to rice hoja blanca (white leaf) disease, transmitted by the insect Tagosodes orizicolus, 660 genotypes were evaluated under greenhouse and field conditions. Seven resistant genotypes were identified, and genomic studies were performed to demonstrate...


Cruz Gallego, MaribelRebolledo, María CamilaCuasquer, Juan B.Cruz, Daniel FelipePeña-Fernández, Alexandra LorenaQuintero, ConstanzaSilva-Córdoba, AlexanderÁlvarez, María FernandaJojoa-Cruz, SebastiánLorieux, MathiasStuart, Jeffrey J.Correa, Fernando[Identification of new sources of resistance to RHBV- rice hoja blanca virus = Identificación de nuevas fuentes de resistencia al virus hoja blanca en arroz-RHBV]Identification of new sources of resistance to RHBV- rice hoja blanca virus = Identificación de nuevas fuentes de resistencia al virus hoja blanca en arroz-RHBV

Tolerance of rice to low temperatures The damages caused to rice crops by low temperatures and cold are reviewed, and crop symptoms are indicated. The results of genetic improvement efforts regarding cold tolerance in rice are also discussed. Low temperatures limit rice production in the tropical...

Se revisan los daños causados por las temperaturas bajas y el frío al cultivo del arroz, la sintomatología del daño y las investigaciones en mejoramiento genético con respecto a la tolerancia del frío. Las temperaturas bajas limitan la producción de arroz en las tierras altas de los trópicos y en...


Cruz Gallego, Maribel[Tolerancia del arroz a la temperatura baja]Tolerancia del arroz a la temperatura baja
Bolaños, Carmen A.Leiva Sandoval, Ana MariaSaavedra, JuanBruzzone, CarlosCruz Gallego, MaribelCuéllar, Wilmer J.[Occurrence and molecular detection of Rice hoja blanca virus (Genus Tenuivirus) in Peru]Occurrence and molecular detection of Rice hoja blanca virus (Genus Tenuivirus) in Peru

The rice hoja blanca virus (RHBV), transmitted by the planthopper insect Tagosodes orizicolus, is a disease that attacks rice and generates significant production losses in Colombia. Fedearroz 2000 and Colombia I commercial rice varieties, which have different resistance levels to the disease, we...


Barrera, Nubia F.Melgarejo, Luz M.Cruz Gallego, MaribelCortés, Lina JimenaGuzmán, FannyCalvo, Julio C.[Conformationally Restricted Peptides from Rice Proteins Elicit Antibodies That Recognize the Corresponding Native Protein in ELISA Assays]Conformationally Restricted Peptides from Rice Proteins Elicit Antibodies That Recognize the Corresponding Native Protein in ELISA Assays
Berrío Orozco, Luis EduardoCorredor, E.Cruz Gallego, MaribelJennings, Peter R.Zorrilla de San Martín, Gonzalo[Genetic improvement at FLAR]Genetic improvement at FLAR
Corredor, E.Cruz Gallego, MaribelJennings, Peter R.Zorrilla de San Martín, Gonzalo[Rice breeding for temperate Latin America]Rice breeding for temperate Latin America
Cruz Gallego, MaribelCorredor, E.Jennings, Peter R.Zorrilla de San Martín, Gonzalo[Cold tolerance evaluation in rice under controlled conditions]Cold tolerance evaluation in rice under controlled conditions

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