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Now showing items 11-20 of 31
A new dagger nematode, Xiphinema tica n. sp. (Nematoda: Longidoridae), from Costa Rica with updating of the polytomous key of Loof and Luc (1990)
(Springer, 2017-05-15)
A new dagger nematode, Xiphinema tica n.
sp., is described and illustrated from several populations extracted from soil associated with several crops and wild plants in Costa Rica. The new dagger nematode is
characterised ...
Polycyclic aromatic hydrocarbons in PM2.5 and PM10 atmospheric particles in the Metropolitan Area of Costa Rica: Sources, temporal and spatial variations
(Elsevier, 2017-03)
Polycyclic aromatic hydrocarbons (PAHs) concentrations in PM10 and PM2.5 particles were measured at 14 monitoring sites (12 for PM10 and 2 for PM2.5), located in the Metropolitan Area of Costa Rica, from January to November ...
Chemical composition of PM 2.5 particles in Salamanca, Guanajuato Mexico: Source apportionment with receptor models
(Science Direct, 2012-04)
The National Institute of Ecology, through Management General for Environmental Research and Training (DGCENICA) carried out a sampling campaign where a total of 21 elements were determined in 140PM 2.5 samples from one ...
Two new species and three morphospecies of Ficophagus Davies & Bartholomaeus, 2015 (Nematoda: Aphelenchoididae) from Ficus subgenus Pharmacosycea (Moraceae) in Central America
(Brill & The Hague Academy of International Law, 2017-03-15)
Aphelenchoidid nematodes were collected from the sycones of Ficus subgenus Pharmacosycea from Central America. Two new species of Ficophagus were recovered, and are described herein as F. maxima sp. n. and F. yoponensis ...
Four new species and five morphospecies of Ficophagus Davies & Bartholomaeus, 2015 (Nematoda: Aphelenchoididae) from Ficus subgenus Urostigma sect. Americana (Moraceae) in Central America
(Brill & The Hague Academy of International Law, 2017-05-02)
Four new species of Ficophagus were recovered from the sycones of Ficus spp. from the Subgenus Urostigma section Americana from Central America. The species are described here as Ficophagus bullenei sp. n., F. costaricanus ...
Citrus Huanglongbing Caused by Candidatus Liberibacter asiaticus Present in the Northern Region of Costa Rica but Has Not Extended to Other Citrus-Growing Areas
(American Phytopathological Society, 2015-10-16)
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 ...
Anxiolytic activity and active principles of Piper amalago (Piperaceae), a medicinal plant used by the Q’eqchi’ Maya to treat susto, a culture-bound illness
(Elsevier, 2016-06-05)
Ethnopharmacological relevance The medicinal plant, Piper amalago L. (Piperaceae), is used traditionally by Q'eqchi' Maya healers for the treatment of "susto" a culture-bound syndrome. Previous research suggests that susto ...
Molecular characterization of pseudomonodelphic dagger nematodes of the genus Xiphinema Cobb, 1913 (Nematoda: Longidoridae) in Costa Rica, with notes on Xiphinema setariae Tarjan, 1964
(Springer, 2016-12-16)
Pseudomonodelphic dagger nematodes of the genus Xiphinema are characterized by having one of the genital branches reduced and lacking an ovary. They are usually reported from tropical regions. Nematode surveys conducted ...
Polycyclic aromatic hydrocarbons in filterable PM2.5 emissions generated from regulated stationary sources in the metropolitan area of Costa Rica
(Elsevier, 2017-09)
This study analyzed the profiles of polycyclic aromatic hydrocarbons (PAHs) in filterable PM2.5 particles collected from a total of 71 boilers and 22 indirect type furnaces that burn liquid and biomass fuels in the ...
Determinación de la capacidad de transmisión por semilla del amachamiento del frijol (Aphelenchoides besseyi Christie)
(Universidad de Costa Rica, 2016)
Determinación de la capacidad de transmisión por semilla del amachamiento del frijol (Aphelenchoides besseyiChristie). El objetivo del presente trabajo fue determinar la capacidad de Aphelenchoides besseyi ...