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Does the P value have a future in plant pathology?
(2015)
The P value (significance level) is possibly the mostly widely used, and also misused, quantity in data analysis. P has been heavily criticized on philosophical and theoretical grounds, especially from a Bayesian perspective. ...
Efecto de la poda y la densidad de siembra sobre el rendimiento y calidad de melón Cantaloupe (Cucumis melo L.) cultivado bajo invernadero
Effect of pruning and plant density on yield and quality of Cantaloupe melon (Cucumis melo L.) grown under greenhouse conditions
(2017-01)
Debido a que no existe información sobre el efecto de la poda y la densidad de siembra sobre el cultivo de melón en invernadero en Costa Rica, se planteó el siguiente estudio con el objetivo de evaluar el efecto de tres ...
‘Candidatus Phytoplasma costaricanum’ a novel phytoplasma associated with an emerging disease in soybean (Glycine max).
(2011-12)
A novel phytoplasma, designated strain SoyST1c1, associated with a newly emerging disease in soybean (Glycine max), known as soybean stunt (SoyST), was found in 2002 in a soybean plantation in Alajuela Province, Costa Rica. ...
Guazuma ulmifolia (Sterculiaceae), a new natural host of 16SrXV phytoplasma in Costa Rica
Guazuma ulmifolia (Sterculiaceae), un nuevo hospedero natural de fitoplasmas del grupo 16SrXV en 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 ...
Conocimiento sobre coberturas vivas y disposición a utilizarlas por productores de varios cultivos
Cover crops knowledge and implementation willingness by producers of several crops
(2017)
El objetivo de este trabajo fue realizar un diagnóstico sobre el conocimiento que tienen agricultores de papaya, palma aceitera y banano de Costa Rica, sobre coberturas vivas y la disposición a implementarlas. Se construyó ...
Genus Orthotospovirus in Costa Rica: A Central American case
El género Orthotospovirus en Costa Rica: Un caso centroamericano
(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 ...
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 ...
Fertilización con nitrógeno y potasio en maíz en un Alfisol de Guanacaste, Costa Rica
Nitrogen and potassium fertilization in corn in an Alfisol of Guanacaste, Costa Rica
(2021)
Introducción. En Guanacaste, Costa Rica, el maíz (Zea mays) es un cultivo de consumo cultural desde épocas precolombinas, muchos agricultores destinan zonas para su siembra en asocio con otros cultivos. Sin ...
Identificación de especies del género Colletotrichum asociadas a la antracnosis en papaya (Carica papaya L.) en Costa Rica
Identification of Colletotrichum species associated with anthracnose in papaya (Carica papaya L.) in Costa Rica
(2017-07)
La antracnosis, causada por Colletotrichum spp., es una de las enfermedades pos-cosecha más importantes en papaya. En este estudio, frutas de papaya, híbrido Pococí, recolectados en plantaciones ubicadas en el cantón de ...
Papaya ringspot virus and Cucumber mosaic virus associated with a severe mosaic in melon
(1991-09)
Severe mosaic disease was observed in several melon fields in Costa Rica during the period 1987-1991. Two viruses, papaya ringspot virus (PRSV) and cucumber mosaic virus (CMV) were associated in single and mixed infections ...