Browsing Biología by Author "34484f07-2480-47d3-b2a6-4bc34a23065d"
Now showing items 1-15 of 15
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Analysis of genetic diversity of Cucurbita moschata (D.) germplasm accessions from Mesoamerica revealed by PCR SSCP and chloroplast sequence data
Barboza Vargas, Natalia María; Albertazzi Castro, Federico José; Sibaja Cordero, Jeffrey Alejandro; Mora Umaña, Floribeth; Astorga, Carlos; Ramírez Fonseca, Pilar (2012-02)The aim of this research was the genetic characterization of 218 accessions of Cucurbita moschata Duchesne, a squash, and its relationship with morphological characteristics of agronomic interest, which are part of the ... -
Begomovirus de importancia económica que pueden encontrarse en ambientes protegidos
Barboza Vargas, Natalia María (2015)Los begomovirus (familia Geminiviridae) son un grupo de virus de plantas transmitidos por la mosca blanca Bemisia tabaci (o ‘palomilla’). Las enfermedades causadas por estos patógenos se han propagado a nivel mundial, ... -
Bemisia tabaci Biotype Q is present in Costa Rica
Guevara Coto, José Andrés; Barboza Vargas, Natalia María; Hernández Jiménez, Eduardo José; Hammond, Rosemarie W.; Ramírez Fonseca, Pilar (2011)Whiteflies are an insect group that comprises multiple species and biotypes, capable of affecting crops by phloem feeding, virus transmission and promotion of fungal colonization. The distribution of these pests is worldwide. ... -
Caracterización de productores de hortalizas orgánicas distribuidas en la Gran Área Metropolitana (GAM), Costa Rica
Camacho Calvo, Ana Marlen; Arauz Vásquez, Karen Lorena; Barboza Vargas, Natalia María; Martínez Higuera, Héctor A.; Arias Reverón, Julio Miguel (2015)Para caracterizar la población de productores que distribuyen hortalizas orgánicas en la Gran Área Metropolitana (GAM) de Costa Rica, se aplicó una encuesta semi-estructurada a 30 de ellos, ubicados en distintos puntos de ... -
Distribution and diversity of begomoviruses in tomato and sweet pepper plants in Costa Rica
Barboza Vargas, Natalia María; Blanco Meneses, Mónica; Esker, Paul D.; Moriones Alonso, Enrique; Inoue Nagata, Alice Kazuko (2017)Begomoviruses (genus Begomovirus, family Geminiviridae) have emerged as important plant pathogens in tropical and subtropical regions worldwide. Although these viruses were reported during the 1970s in Costa Rica, they are ... -
Diversidad de begomovirus presentes en el cultivo de tomate en Costa Rica
Valverde Méndez, Karen (2021)Los Begomovirus (familia Geminiviridae) son fitovirus que causan importantes pérdidas agrícolas, son trasmitidos por la mosca blanca Bemisia tabaci (Hemíptera: Aleyrodidae), e infectan cultivos de importancia económica ... -
Effect of Gamma Irradiation and Selection with Fungus Filtrate (Rhizoctonia solani Kuhn) on the in Vitro Culture of Common Bean (Phaseolus vulgaris)
Solís Ramos, Laura Yesenia; Valdez Melara, Marta; Alvarado Barrantes, Ricardo; Mora Umaña, Floribeth; Hernández Jiménez, Eduardo José; Barboza Vargas, Natalia María; Ramírez Fonseca, Pilar (2015)The present investigation was undertaken to study the effect of gamma irradiation (dose from 10 to 100 Gy) and in vitro selection with fungus filtrate as selecting agent (concentration from 20% to 100%) on the susceptibility ... -
First Molecular Evidence of Tomato chlorotic spot virus Infecting Tomatoes in Cuba
Martínez Zubiaur, Yamila; Chang Sidorchuk, Lidia; González Alvarez, H.; Barboza Vargas, Natalia María; González Arias, G. (2016) -
First Report of Tomato chlorosis virus Infecting Sweet Pepper in Costa Rica
Vargas Zamora, José A.; Hernández Jiménez, Eduardo José; Barboza Vargas, Natalia María; Mora Umaña, Floribeth; Ramírez Fonseca, Pilar; Hammond, Rosemarie W. (2011-11)In September 2008, a survey of whiteflies and whitefly-borne viruses was performed in 11 pepper-growing greenhouses in the province of Cartago, Costa Rica. During this survey, the vast majority of sweet pepper (Capsicum ... -
First Report of Tomato chlorotic spot virus infecting Pepper and Common Bean in Cuba
González Alvarez, H.; Chang Sidorchuk, Lidia; Barboza Vargas, Natalia María; González Arias, G.; Martínez Zubiaur, Yamila (2017) -
First Report of Tomato yellow leaf curl virus in Tomato in Costa Rica
Barboza Vargas, Natalia María; Blanco Meneses, Mónica; Hallwass, M.; Moriones Alonso, Enrique; Inoue Nagata, Alice Kazuko (2014)One of the most important invasive and harmful members of the genus Begomovirus (family Geminiviridae) is the monopartite Tomato yellow leaf curl virus (TYLCV), which is widespread over the world associated with tomato ... -
Molecular characterization and genetic diversity of Jatropha curcas L. in Costa Rica
Vásquez Mayorga, Marcela; Fuchs Castillo, Eric J.; Hernández Jiménez, Eduardo José; Herrera Murillo, Franklin; Hernández López, Jesús; Moreira González, Ileana; Arnáez Serrano, Elizabeth; Barboza Vargas, Natalia María (2017-02-09)We estimated the genetic diversity of 50 Jatropha curcas samples from the Costa Rican germplasm bank using 18 EST-SSR, one G-SSR and nrDNA-ITS markers. We also evaluated the phylogenetic relationships among samples using ... -
Newly Discovered Natural Hosts of Tomato chlorosis virus in Costa Rica
Barboza Vargas, Natalia María; Hernández Jiménez, Eduardo José; Mora Umaña, Floribeth; Ramírez Fonseca, Pilar; Hammond, Rosemarie W.; Solórzano Morales, Antony (2011-04)Tomato chlorosis virus (ToCV) is an emerging whitefly-transmitted crinivirus. In Costa Rica in 2007, ToCV was detected in field-grown and greenhouse tomato (Solanum lycopersicum L.) plants causing symptoms of severe yellowing ... -
Spatial Distribution of Whitefly Species (Hemiptera: Aleyrodidae) and Identification of Secondary Bacterial Endosymbionts in Tomato Fields in Costa Rica
Can Vargas, Xareni; Barboza Vargas, Natalia María; Fuchs Castillo, Eric J.; Hernández Jiménez, Eduardo José (2020-10-19)In Costa Rica, tomato (Solanum lycopersicum Linnaeus) Linnaeus (Solanales: Solanaceae) is one of the crops most severely affected by the whiteflies (Hemiptera: Aleyrodidae) Trialeurodes vaporariorum (Westwood) and the ...