2017
DOI: 10.1590/0100-29452017379
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PROCESO DE INFECCIÓN DE ANTRACNOSIS POR Colletotrichum truncatum EN PAPAYA MARADOL

Abstract: RESUMEN Colletotrichum truncatum es un hongo patógeno causante de antracnosis en fruto de papaya (Carica papaya L.) y responsable de pérdidas postcosecha. El objetivo de este trabajo fue inducir el proceso de infección de C. truncatum en frutos de papaya var. Maradol bajo condiciones controladas y decribir el progreso de la enfermedad mediante herramientas histopatológicas y microscopía óptica para elucidar el ciclo de vida del patógeno. La penetración directa de la cutícula por medio de apresorios ocurrió alr… Show more

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Cited by 5 publications
(4 citation statements)
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References 18 publications
(12 reference statements)
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“…C. truncatum se comportó intramural subcuticular pathogen in papaya and as intracellular hemibiotroph in pea, which confirms that the infection strategy depends on the host. Rojo-Báez et al (2017) studied the infection process of C. truncatum in its interaction with papaya. Direct penetration through appressoria took place at 30 hai, intramural hyphae grew on the celullar walls of the epidermis between 30-48 hai, the necrotrophic colonization started at 72 hai, parenchyma cells were extensively degraded and the cuticle was broken through acervuli between 96-148 hai.…”
Section: Infection Processmentioning
confidence: 99%
See 1 more Smart Citation
“…C. truncatum se comportó intramural subcuticular pathogen in papaya and as intracellular hemibiotroph in pea, which confirms that the infection strategy depends on the host. Rojo-Báez et al (2017) studied the infection process of C. truncatum in its interaction with papaya. Direct penetration through appressoria took place at 30 hai, intramural hyphae grew on the celullar walls of the epidermis between 30-48 hai, the necrotrophic colonization started at 72 hai, parenchyma cells were extensively degraded and the cuticle was broken through acervuli between 96-148 hai.…”
Section: Infection Processmentioning
confidence: 99%
“…Además, Rojo-Báez et al (2017) estudiaron el proceso de infección de C. truncatum en su interacción con fruto de papaya. La penetración directa por medio de apresorios ocurrió a las 30 hdi, las hifas intramurales crecieron en paredes celulares de la epidermis entre 30-48 hdi, la colonización necrotrófica inició a las 72 hdi causando una extensa degradación en células de parénquima y el rompimiento de cutícula por medio de acérvulos ocurrió entre 96-148 hdi.…”
Section: Controlunclassified
“…Nos frutos, as características do desenvolvimento dos contaminantes podem ocorrer pelo aparecimento de porções amolecidas, úmidas com partes de conídios (massas de coloração alaranjada), bem como lesões escuras ou cinzas (Rojo-Báez et al, 2017).…”
Section: Tempo (H)unclassified
“…Furthermore, it causes cell damage, and the production of acervuli is associated with dark sunken areas on the surface of fruit with diameter of about 4.2 cm. This pathogen infects the host fruit through a subcuticular intramural infection, causing anthracnose in 72 hours, and producing acervuli in 96 hours after inoculation, completing its life cycle (Rojo-Báez et al, 2016). Recently, Colletotrichum magnum was identified in papaya infected with anthracnose; colonies exhibiting whiteorange color with acervuli, unicellular cylindrical conidia with rounded edges were isolated (Tapia-Tussell et al, 2016).…”
Section: Introductionmentioning
confidence: 99%