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Mostrando ítems 15426-15445 de 34282
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First report of Iris yellow spot virus in Costa Rica
(2017)Iris yellow spot virus (IYSV), an emerging disease of onion crops, was identified by transmission electron microscopy, enzyme linked immunosorbent assay, and reverse transcription polymerase chain reaction in Costa Rica. ... -
First report of naturalization of Houttuynia cordata Thunb. 1783 (Piperales: Saururaceae) in South America
(2013)A relatively large and established population of Houttuynia cordata from Itatiaia National Park in Brazil represents the first record of naturalized Saururaceae in South America. Although the species is potentially invasive, ... -
First Report of New Phytoplasma Diseases Associated with Soybean, Sweet Pepper, and Passion Fruit in Costa Rica
(2009-02)A new soybean disease outbreak occurred in 2002 in a soybean (Glycine max) plantation in Alajuela Province, Costa Rica. Symptoms on the affected plants included general stunting, small leaves, formation of excessive buds, ... -
First Report of Orchid fleck virus in Costa Rica
(2002-12)Orchid fleck virus (OFV), a tentative member of the family Rhabdoviridae, infects orchids in several countries. The virus is vectored worldwide by the mite Brevipalpus californicus (Banks) (Acari: Tenuipalpidae). Eleven ... -
First Report of Potato Spindle Tuber Viroid in Costa Rica
(1999-11)During 1997 to 1998, symptoms of leaf roll, dwarfism, chlorosis, and occasional leaf necrosis were observed on Solanum tuberosum in several plots in Cartago, the principal potato-production region of Costa Rica. Because ... -
First report of Sugarcane yellow leaf virus (ScYLV) in Costa Rica
(2001-03)In Costa Rica, sugarcane plants with symptoms similar to those described for yellow leaf syndrome (YLS) (1,2) were first observed in 1994 in research plots of imported material in the midland areas of San Carlos and ... -
First Report of the Cymbidium Mosaic Potexvirus (CymMV) Infecting the Terrestrial Orchid Phaius tankervilliae in Costa Rica
(1998-10)In 1996, plants of the terrestrial orchid Phaius tankervilliae from a nursery in the Central Valley of Costa Rica were observed with mild to severe foliar symptoms of chlorotic streak. No differences were observed in growth, ... -
First Report of the Isolation and Molecular Characterization of Rickettsia amblyommii and Rickettsia felis in Central America
(2011-10-05)During 2010, 15 adult ticks, identified as Amblyomma cajennense, were collected from horses in Cahuita and Turrialba districts, whereas 7 fleas, identified as Ctenocephalides felis, were collected from a dog in San Jose ... -
First Report of Tomato chlorosis virus Infecting Sweet Pepper in Costa Rica
(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 yellow leaf curl virus in Tomato in Costa Rica
(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 ... -
First Report of Xylella fastidiosa in Avocado in Costa Rica
(2008-01)Since the late 1990s, chlorotic mottling, marginal scorch, deformation of leaves, defoliation, shortening of internodes, and branch dieback have been observed in avocado trees (Persea americana Mill.) in Costa Rica. The ... -
First Report of Xylella fastidiosa in Nerium oleander in Costa Rica
(2008-08)Oleander (Nerium oleander L.) shrubs presenting mottling, leaf tip and margin scorch, short internodes, defoliation, and branch dieback were observed at different localities in the Central Valley in Costa Rica. Severity ... -
First Report of Xylella fastidiosa Infecting Citrus in Costa Rica
(2005-06)Citrus variegated chlorosis (CVC) is an important disease mainly of sweet orange (Citrus sinensis (L.) Osbeck) cultivars. It was first described in Brazil in the state of Sā Paulo in 1987 (4). The disease has spread to all ... -
First report of Xylella fastidiosa infecting coffee in Costa Rica
(2001-09)In 1995, severe symptoms were observed on ‘Caturra’ and ‘Catuaí’ coffee (Coffea arabica L.) varieties in farms in the southern part of the Central Valley in Costa Rica. Symptoms were reduced leaf size, malformation of ... -
Fiscalización de los proyectos en infraestructura y de sistemas de automatización UTAF- AIJS - Informe Final
(2022-10-04)Este documento presenta el informe final de la fiscalización de los proyectos en infraestructura y de sistemas de automatización, así como del nuevo sistema de luces de aproximación, la nueva terminal de bomberos del ...