2018
DOI: 10.15517/rac.v42i1.32199
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Caracterización morfológica y molecular de <i>Fusarium oxysporum</i> F. SP. <i>Apii</i> asociado a la marchitez del apio en Costa Rica

Abstract: Morphologicaland molecular characterization of Fusarium oxysporum f. sp. apii associated to yellow wilt on celery in Costa Rica. Celery is cultivated in provinces of Costa Rica, such as Cartago, Heredia, Alajuela and San José. Total production is approximately 25 metric tons annually. This crop is affected by different pathogens but in the last few years Fusarium oxysporum has caused substantial damage at the plantation level. In celery, 4 pathogenic Fusarium races are known, they are defined using the toleran… Show more

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Cited by 21 publications
(16 citation statements)
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“…In each well, 1000 μl of the fungicide solutions were placed in a mixture with 200 μl of the conidial suspension, maintaining the respective doses to be evaluated. Macroconidia for the suspensions of each of the isolates were taken from 8-day cultures in the CLA medium (Retana et al, 2018) incubated at 22°C ± 2.0°C (MLR-351H, SANYO, Japan). The suspension was adjusted to 5x10 5 macroconidia ml -1 sterile distilled water using a haemocytometer (Steinkellner et al, 2005).…”
Section: In Vitro Evaluation Of the Effect Of Commercial Fungicides Omentioning
confidence: 99%
“…In each well, 1000 μl of the fungicide solutions were placed in a mixture with 200 μl of the conidial suspension, maintaining the respective doses to be evaluated. Macroconidia for the suspensions of each of the isolates were taken from 8-day cultures in the CLA medium (Retana et al, 2018) incubated at 22°C ± 2.0°C (MLR-351H, SANYO, Japan). The suspension was adjusted to 5x10 5 macroconidia ml -1 sterile distilled water using a haemocytometer (Steinkellner et al, 2005).…”
Section: In Vitro Evaluation Of the Effect Of Commercial Fungicides Omentioning
confidence: 99%
“…F. oxysporum es un organismo muy polífago a nivel de especie, se cuantificaron más de 120 formas especiales, las cuales se basan en la infección que produce sobre la planta hospedera. Dichas formas a su vez se subdividen en razas, las que se describen según la habilidad para infectar diferentes variedades de una misma especie (Retana et al, 2018).…”
Section: Ceiro-catasúunclassified
“…F. oxysporum is a very polyphagous organism at specie level; 120 special forms were quantified, which are based on the infection that it produces on the host plant. These forms are subdivided into races, which are described according to the ability to infect different varieties of the same specie (Retana et al, 2018).…”
Section: Ceiro-catasúmentioning
confidence: 99%
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“…Fusarium es un patógeno que forma estructuras de resistencia denominadas clamidosporas que le confieren la capacidad de sobrevivir por largos periodos en el suelo, y sus principales formas de dispersión son por movimiento del suelo infestado y agua de escorrentía (Retana et al, 2018); sin embargo, su abundancia y diversidad en el suelo también depende de otros factores tales como variedad del cultivo, características físico-químicas del suelo, condiciones climáticas y actividad humana (Bateman y Murray 2001;Bernhoft et al, 2012).…”
Section: Introductionunclassified