Browsing Agronomía by Procedence
Now showing items 1-14 of 14
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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 ... -
Agrobacterium tumefaciens-mediated transformation of common bean (Phaseolus vulgaris) var. Brunca
(2019)Common bean is a crop recalcitrant to in vitro regeneration and therefore it lacks an efficient trans-formation protocol that can be reproduced using A. tumefaciens. The main goal of this study was to establish a protocol ... -
Arbuscular mycorrhizal fungi colonization of Jatropha curcas roots and its impact on growth and survival under green-house-induced hydric stress.
(2024)Abstract: Arbuscular mycorrhizal fungi (AMF) provide benefits to host plants by enhancing nu-trition and overall fitness. In this study, AMF species were isolated from the soil rhizosphere of Jatropha curcas and were ... -
Concentración foliar de macro- y micro-nutrimentos en cuatro leguminosas maderables del trópico estacionalmente seco de Costa Rica
(2018-07-04)La productividad de las plantaciones forestales con especies nativas se puede incrementar si se conocen bien los requerimientos nutricionales de cada una de las especies. Estos requerimientos pueden variar de acuerdo a las ... -
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 ... -
Embryo development in Carica papaya Linn
(2021-03-12)Papaya (Carica papaya Linn.) is a tropical plant whose draft genome has been sequenced. Papaya produces large fruits rich in vitamins A and C and is an important cash crop in developing countries. Nonetheless, little is ... -
First Report of Citrus variegation virus in Palestine Sweet Lime, as Coffee Shade in Costa Rica
(2011)Symptoms resembling those of Citrus variegation virus (CVV) were observed in old Palestine sweet lime trees (Citrus limettioides Tan.) used as coffee shade in the Central Valley in Costa Rica. The symptoms include leaf ... -
Genus Orthotospovirus in Costa Rica: A Central American case
(2023-12-28)Objective/Background. The Orthotospovirus genus encompasses a range of economically significant and emerging plant viruses that affect a variety of crops globally. While the prevalence and characteristics of these ... -
Micromorfología de los foliolos de pejibaye Bactris gasipaes (Arecaceae) var. Diamantes-10
(2016-09)Bactris gasipaes se cultiva ampliamente para el aprovechamiento del palmito y el consumo de los frutos. En este trabajo se realizó una descripción de las características micro morfológicas de los foliolos de plantas adultas ... -
Occurrence of Squash yellow mild mottle virus and Pepper golden mosaic virus in Potential New Hosts in Costa Rica
(2013-09)Leaf samples of Solanum lycopersicum, Capsicum annuum, Cucurbita moschata, Cucurbita pepo, Sechium edule and Erythrina spp. were collected. All samples were positive for begomoviruses using polymerase chain reaction and ... -
Optimización de un protocolo de cultivo in vitro de embriones de Coyol (Acrocomia aculeata)
(2019)El coyol (Acrocomia aculeata), es una palma distribuida principalmente en la Región del Pacífico de Costa Rica, su principal uso ha sido la obtención de una bebida conocida como vino de coyol y los frutos como alimento ... -
Patogenicidad de hongos asociados a plantas de fresa (Fragaria ananassa) y descripción ultraestructural del patosistema
(2022-08)Introducción. La fresa es importante en Costa Rica por su alta demanda como fruta fresca y para elaboración de mermeladas. En 2015 empezaron reportes de muerte de plantas, presumiblemente, asociada a complejos de hongos ... -
Responses of Arabica coffee (Coffea arabica L. var. Catuaí) cell suspensions to chemically induced mutagenesis and salinity stress under in vitro culture conditions
(2018)Crop improvement of Coffea arabica L. (coffee) via mutagenesis could accelerate breeding programs; thus, the present study aimed to develop an in vitro protocol using the chemical mutagens sodium azide (NaN3) and ethyl ... -
Tolerance and biological removal of fungicides by Trichoderma species isolated from the endosphere of wild Rubiaceae plants
(2022-02-03)The transition from conventional to organic agriculture is often challenged by the adaptation of biological control agents to environments heavily exposed to agrochemical pollutants. We studied Trichoderma species isolated ...