Browsing Agronomía by Title
Now showing items 1-20 of 420
-
A check list of asexual fungi from Costa Rica
(2018-09-27)A checklist of recorded asexual fungi from Costa Rica is presented. This study compiles information from 1927 to 2018 based on scientific papers, theses, reviews of hyphomycetous and coelomycetous fungi, dermatophyte ... -
A microfungus from Costa Rica: Ticosynnema gen. nov.
(2012-12)Ticosynnema carranzae gen. & sp. nov., a new microfungus collected on the twig of an unidentified plant, is described and illustrated. It is distinguished by synnematous determinate conidiomata, monoblastic integrated ... -
A new species of Heliocephala from Vietnam
(2013-03)Heliocephala vietnamensis sp. nov., a hyphomycetous fungus collected on decaying leaves of an unidentified plant, is described and illustrated. It is distinguished by determinate apical cluster of conidiogenous cells and ... -
Actividad microbial en sustratos y análisis de crecimiento en almácigos de tomate en Guanacaste, Costa Rica
(2017-01-01)Se evalúo el efecto de 10 mezclas de sustratos para almácigos, elaborados con una base de un 50% de: bocashi, compost y lombricompost, luego estos se mezclaron en una proporción de 25% con arena, suelo, fibra de coco y ... -
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 ... -
Aflatoxins occurrence through the food chain in Costa Rica: Applying the One Health approach to mycotoxin surveillance
(2017-12)Aflatoxins (AFs) are toxic metabolites produced by Aspergillus spp. and commonly found in crops, grains, feedstuff, and forages. Exposure to AFs has been associated with increased risk of liver cancer and growth retardation ... -
Agricultores y menores afectados por mordeduras de serpientes
(Revista Crisol, número 12, 2004, p. 13-14, 2004)Los agricultores y los menores de edad son las principales víctimas de las mordeduras de serpientes en nuestro país, de acuerdo con una investigación que dio a conocer el Dr. Gustavo Rojas, del Instituto Clodomiro Picado ... -
Aislamiento e identificación de hongos asociados a esclerocios de Sclerotium Cepivorum, causante de la pudrición blanca de la cebolla, en la zona alta de Cartago, Costa Rica
(2005-01)Se aislaron e identificaron hongos asociados a esclerocios de Sclerotium cepivorum, causante de la pudrición blanca de la cebolla, con el fin de determinar la existencia de hongos con potencial antagónico nativos de la ... -
Aislamiento, identificación y evaluación del efecto antagonista de hongos asociados a esclerocios de Sclerotium cepivorum Berk. causante de la pudrición blanca de la cebolla, en la zona alta de Cartago, Costa Rica
(2012-05-07)Granados Montero, Ma del Milagro. Aislamiento, identificación y evaluación del efecto antagonista de hongos asociados a esclerocios de Sclerotium cepivorum Berk. causante de la pudrición blanca de la ... -
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 ... -
An updated list of the plants associated with plant-parasitic Aphelenchoides (Nematoda: Aphelenchoididae) and its implications for plant-parasitism within this genus
(2015)Few Aphelenchoides spp. are facultative plant-parasites (foliar and bulb nematodes); three of them are well known in agricultural systems, namely Aphelenchoides besseyi, A. fragariae and A. ritzemabosi. Ten other plant-parasitic ... -
Analysis of Meiosis in Nonmodel Tropical Plants: The Case of Carica papaya Linn
(2019-10-04)To develop plants that are more tolerant to drought, marginal soil fertility, and diseases and that satisfy demands for high yield, new cultivars of the tropical fruit papaya (Carica papaya L.) are needed. Nonetheless,in ... -
Analysis of Phalaenopsis Bud Length during Meiosis to Predict Pollen Fertility
(2017-03)Phalaenopsis orchids are a very important commercial crop in tropical countries. Nonetheless hybrids feature variations in pollen fertility due to widespread chromosomal rearrangements in meiotic chromosomes. Usually each ...