Listar Agronomía por procedencia "UCR::Vicerrectoría de Investigación::Unidades de Investigación::Ciencias Básicas::Centro de Investigación en Biología Celular y Molecular (CIBCM)"
Mostrando ítems 1-20 de 79
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Adaptación de una técnica de inmunosorbencia (ELISA) a la detección del virus del rayado fino del maíz en su insecto vector
(1983-06)An enzyme-linked immunosorbent assay (ELISA) was adapted for detection of maize rayado fino virus (RFV) in its insect vector Dalbulus maidis. Optimization of experimental conditions for the assay included the use of ... -
Algunos factores que afectan la transmisión del virus del rayado fino del maíz por Dalbulus maidis DeLong & Wolcott
(1974)Previous reports have shown that the leafhopper Dalbulus maidis transmits rayado fino virus (RFV) of maize in a manner characteristic of viruses that multiply in their insect vectors. Further studies of the virus vector ... -
Avances en la epidemiología de los begomovirus y su vector Bemisia tabaci en Costa Rica
(2019)Desde inicios del decenio de 1990 y de manera casi simultánea, se empezaron a observar afecciones desconocidas en numerosos cultivos, sobre todo en regiones tropicales y subtropicales. Dichas enfermedades eran causadas por ... -
Beetle vectors of Cowpea Mosaic Virus in Costa Rica
(1978-03-25)Se probó la capacidad de nueve especies de escarabajos para transmitir un tipo de Cowpea Mosaic Virus de Costa Rica, estrechamente relacionado serológicamente al CPMV-Arkansas. Se logró la transmisión del virus con Cerotoma ... -
Begomoviruses in crops with economic interest for North and Central America
(2022)The Begomovirus genus (family Geminiviridae) is widely distributed throughout the world and affects more than 700 plant species, including crops of economic interest. In the western hemisphere, diseases caused by begomoviruses ... -
Biogas production and microbial communities of mesophilic and thermophilic anaerobic co-digestion of animal manures and food wastes in Costa Rica
(2022)Biomass generated from agricultural operations in Costa Rica represents an untapped renewable resource for bioenergy generation. This study investigated the effects of two temperatures and three mixture ratios of manures ... -
‘Candidatus Phytoplasma costaricanum’ a novel phytoplasma associated with an emerging disease in soybean (Glycine max).
(2011-12)A novel phytoplasma, designated strain SoyST1c1, associated with a newly emerging disease in soybean (Glycine max), known as soybean stunt (SoyST), was found in 2002 in a soybean plantation in Alajuela Province, Costa Rica. ... -
Caracterización del MStV asociado a una enfermedad de maíz en Costa Rica
(1991-09)Maize stripe virus (MStV) was identified as a causal agent of a corn disease in Costa Rica. Cytoplasmic inclusion bodies in needle, ring and eight-shapes were observed by light microscopy in infected leaf tissue. Different ... -
Catharanthus roseus (Apocynaceae) naturally infected with diverse phytoplasmas in Costa Rica
(2019-01-30)Phytoplasmas (class Mollicutes) are causal agents of plant diseases with an economic impact on crops or threatening local biodiversity. A survey was conducted from 2012 to 2016 on infected Catharanthus roseus plants that ... -
Chayote mosaic virus, a New Tymovirus Infecting Cucurbitaceae
(2000-10)Chayote mosaic virus (ChMV) is a putative tymovirus isolated from chayote crops in Costa Rica. ChMV was characterized at the host range, serological, and molecular levels. ChMV was transmitted mechanically and induced ... -
Chayote mosaic, a new disease in Sechium edule caused by a tymovirus
(1997-04)A sap-transmissible virus was isolated from chayote (Sechium edule) in Costa Rica. Infected plants showed chlorotic spots and rings, and blotchy mosaics, which often coalesced to give a complete mosaic and leaf deformation. ... -
Citrus Huanglongbing Associated with ‘Candidatus Liberibacter asiaticus’ Present in the Northern Region of Costa Rica but Has Not Been Detected in Other Citrus- Growing Areas
(2015-12)Since 2011, citrus Huanglongbing (HLB, ex-greening) disease has been detected in Los Chiles, Costa Rica, close to the Nicaraguan border, by the State Phytosanitary Service (Servicio Fitosanitario del Estado; SFE) and by ... -
Comparative Epidemiology of Citrus tristeza virus in Plantings of Various Citrus Species in Costa Rica, and Long Distance Spread by the Brown Citrus Aphid
(2002)Five 400-tree plots were established to compare the virus increase and spread of Citrus tristeza virus (CTV) among grapefruit, orange and lemon plots in San Carlos and Nicoya citrus producing areas of Costa Rica. Tree ... -
Confirmation of Xylella fastidiosa infecting grapes (Vitis vinifera) in Costa Rica
(2008-11)In 2003, symptoms of Pierce Disease (PD) were observed in two vineyards established in two different localities in San Jose province (Santa Ana and La Uruca) and in La Garita, Alajuela province. Twenty four symptomatic ... -
Cultivo de meristemas, termo y quimioterapia en chayote (Sechium edule Jacq. Sw.) para la erradicación del virus del mosaico del chayote (ChMV)
(2006)Recientemente se identificó en Costa Rica una nueva enfermedad viral en chayote, denominada "virus del mosaico del chayote" (ChMV, Chayote mosaic virus). Además de disminuir los rendimientos, esta enfermedad causa reducciones ... -
Detección de crinivirus y begomovirus en plántulas de tomate y arvenses asociadas a semilleros
(2017)El objetivo de este trabajo fue detectar infecciones causadas por el Tomato chlorosis virus (ToCV) y begomovirus en plántulas de tomate, y en las arvenses de los alrededores de los invernaderos. En el período de un año, a ... -
Detección del viroide de la exocortis en plantaciones comerciales, utilizando la selección 861-S1 del cidro Etrog (Citrus medica L.)
(2004)La prueba de infectividad empleada tradicionalmente para el viroide de la exocortis consiste en injertar yemas de los árboles por evaluar en clones sensibles, como el cidro Arizona 861-S1, el cual ha sido previamente ... -
Detection of Plantago asiatica mosaic virus in lily hybrid plants(Lilium spp.) in Costa Rica grown from imported bulbs
(2017-12)Plantago asiatica mosaic virus (PlAMV) was detected in Costa Rica infecting lily plants showing foliar chlorotic and necrotic streaking. Virus identity was established by TEM, sequencing and ELISA. Pathogenicity was confirmed ... -
Detection of Potyvirus-like Particles Associated with Oil Palms (Elaeis guineensis) in Ecuador
(1996-09-03)Oil palm (Elaeis guineensis Jacq.) seedlings showing a conspicuous mottling, composed of alternating dark green and chlorotic areas in the form of discontinuous streaks or irregular ring patterns, were observed in the ... -
Diagnóstico de infecciones virales en plantaciones de papa (Solanum tuberosum L.) en la zona de Alfaro Ruiz, Costa Rica
(2008)La presencia de 13 virus que afectan al cultivo de papa se investigó en el cantón de Alfaro Ruiz (zona de Zarcero) en Costa Rica. Se muestrearon 14 plantaciones de papa, y de cada una se recolectaron muestras foliares de ...