Listar Agronomía por título
Mostrando ítems 591-610 de 1480
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La fresa, prácticas de cultivo
(1986)Se brinda sobre el cultivo de la fresa, una reseña histórica y clasificación botánica, descripción de la planta, clima, suelos, propagación, poda, época de siembra, variedades, sistemas de siembra, cobertura de suelo, riego ... -
Funciones ecosistémicas de mamíferos silvestres en un agroecosistema con café en Rincón de Mora, San Ramón, Alajuela, Costa Rica
(2023-01-03)Introducción: Los cafetales tienen diferentes formas de manejo, una de ellas son los agroecosistemas, los cuales se han caracterizado por ser una fuente de biodiversidad. Dicha biodiversidad se ha investigado de diferentes ... -
El futuro de la investigación sobre el Mosaico Dorado del frijol
(Universidad de Costa Rica, 1994) -
Futuro de los pequeños productores de frijol en México y su relación con la agricultura comercial
(Universidad de Costa Rica, 1988)México en los últimos 20 años ha registrado una ligera reducción en la superficie cosechada de 2.1 a 1.8 millones de hectáreas y un incremento moderado en la producción de grano, de 0.91 a 0.99 millones de toneladas anuales; ... -
GC–MS profiling, descriptive sensory analysis, and consumer acceptance of Costa Rican papaya (Carica papaya L.) fruit purees
(2018)Volatiles of papaya purees from four Costa Rican cultivars were analysed by solid-phase microextraction and gas chromatography-mass spectrometry. A total of 83 volatiles was assigned in the purees, of which 19 were detected ... -
Los geminivirus que atacan al frijol común (Phaseolus vulgaris L.) en el noroeste de México
(Universidad de Costa Rica, 1994) -
Genetic Diversification and Dispersal of Taro (Colocasia esculenta (L.) Schott)
(2016-06-17)Taro (Colocasia esculenta (L.) Schott) is widely distributed in tropical and sub-tropical areas. However, its origin, diversification and dispersal remain unclear. While taro genetic diversity has been documented at the ... -
Genetic diversity analysis of the endangered slipper orchid Phragmipedium longifolium in Costa Rica
(2010-12)Phragmipedium longifolium is an endangered terrestrial orchid. In Costa Rica, these plants are found growing in small and isolated patches, some of them consisting of just four to six individuals. Information about the ... -
Genetic diversity and geographic distribution of Bemisia tabaci and Trialeurodes vaporariorum in Costa Rica
(2019)The tobacco whitefly Bemisia tabaci (Gennadius) cryptic species complex and of the greenhouse whitefly Trialeurodes vaporariorum (Westwood) are extensively reported as destructive pests in vegetable crops worldwide. A ... -
Genetic Diversity of Xylella fastidiosa Strains from Costa Rica, São Paulo, Brazil, and United States
(2007-10)The diversity of 42 Xylella fastidiosa strains from Costa Rica, São Paulo, Brazil, and the United States were analyzed using the sequence of the 16S rRNA gene by variable number of tandem repeat (VNTR) fragment analysis ... -
La genética cuantitativa en Phaseolus vulgaris: el ejemplo de la resistencia a Xanthomonas campestris pv. Phaseoli
(Universidad de Costa Rica, 1988)Aunque la genética cuantitativa no ha tenido aplicación muy amplia al mejoramiento del frijol común (Phaseolus vulgaris), varios autores han publicado estudios sobre análisis cuantitativos de la resistencia a Xanthomonas ... -
Genipa americana and Ageratina anisochroma, two new hosts of Candidatus Phytoplasma asteris in Costa Rica
(2018-08-23)We report two new plant species hosts for Candidatus Phytoplasma asteris: Genipa americana (Rubiaceae) and Ageratina anisochroma (Asteraceae). Phytoplasma infections were detected by real-time loop-mediated isothermal ... -
Genome wide association mapping for the tolerance to the polyamine oxidase inhibitor guazatine in arabidopsis thaliana
(2016)Guazatine is a potent inhibitor of polyamine oxidase (PAO) activity. In agriculture, guazatine is used as non-systemic contact fungicide efficient in the protection of cereals and citrus fruits against disease. The composition ... -
Genome-Wide Association Mapping Analyses Applied to Polyamines
(2018)Genome Wide Association Studies (GWAS) allow the use of natural variation to understand the genetics controlling specific traits. Efficient methods to conduct GWAS in plants have been reported. This chapter provides the ... -
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 ... -
Gira de mejoradores de PROFRIJOL: Centroamérica, México y CIAT, noviembre 2-8, 1989
(Universidad de Costa Rica, 1990) -
Growth conditions and survival kinetics during storage of Lactobacillus rhamnosusGG for the design of a sustainable probiotic whey-based beverage containing Costa Rican guava fruit pulp
(2020)The finding of economical and practical applications for milk whey is still a challenge for dairy industries. This paper presents information about the development of a probiotic–prebiotic beverage based on Lactobacillus ... -
Guazuma ulmifolia (Sterculiaceae), a new natural host of 16SrXV phytoplasma in Costa Rica
(2011-04)Guacimo trees (Guazuma ulmifolia, Sterculiaceae) showing witches’ broom symptoms (GWB), small leaves, short internodes, stunting and no flower and fruit production were observed on side roads and fences in different areas ...