Phomopsis rot caused by Diaporthe infecunda on fruit and flowers of Passiflora edulis in Brazil

Moreira, Rafaele Regina; Caus, Gabriel; Figueiredo, Josiane Aparecida Gomes; Mio, Louise Larissa May De

doi:10.1007/s13313-020-00684-x

Cited by 4 publications

(4 citation statements)

References 16 publications

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“…ligularis (Moreira et al, 2020) y de otras especies de cultivo (Elfar et al, 2013). En este trabajo no se realizaron pruebas de patogenicidad para este microorganismo; sin embargo, debido a estos reportes no fue seleccionado para las pruebas de promoción de crecimiento en plántula.…”

Section: Producción De Aia Y Solubilizadores De Fósforounclassified

The effects of dark septate endophyte (DSE) inoculation on tomato seedlings under Zn and Cd stress

Zhu

Wang

et al. 2018

Environ Sci Pollut Res

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Los hongos endófitos viven asintomáticamente en las plantas, pero su papel biológico en las plantas de gulupa un frutal exótico no se tiene claro. Con esta investigación se evaluó la composición de la población de hongos endófitos en diferentes tejidos de plantas de gulupa procedentes de tres cultivos comerciales con manejo tradicional, ubicados en los municipios de Pasca y Granada-Cundinamarca y Sutamarchán-Boyacá. Asimismo, se evaluó el potencial de los hongos endófitos aislados como antagonistas de Fusarium sp., mediante métodos in-vitro (cultivo dual) e in-vivo (invernadero). En este estudio se encontró presencia de microorganismos endófitos en plantas de gulupa en los tejidos de Raíz (29,4%), tallo (24,4%), hoja (28,9%), semilla (0,5%), flores (9,6%) y frutos (7,1%), mediante desinfección con gas cloro, de los cuales la mayoría presentan micelio estéril (29,9%) seguidos de los hongos que pertenecen a los géneros Mucor (20,8%), Fusarium (20,3%), y Trichoderma (5,1%), así mismo se encontraron aislamientos pertenecientes a otros veinte géneros que representan 23,8%. También se evaluó la capacidad de estos hongos para producir ácido indol acético (AIA), se destacaron por una una producción superior a 10 µg/mL Fusarium sp. (10,77 µg/mL), F. equiseti (11,99 µg/mL), Trichoderma asperellum (12,43 µg/mL), y Diaporthe passiflorae (42,41 µg/mL) y se observó que varios endófitos son capaces de solubilizar el fósforo, entre ellos se destacó T. asperellum UNE098. Además, cuatro aislamientos T. gamsii, T. asperellum, Chaetomium globosum, y Mucor fragilis inhiben el crecimiento micelial de F. oxysporum en más de 50% in-vitro, y algunos de ellos producen compuestos orgánicos volátiles que inhiben el crecimiento de este patógeno en más de un 30% (T. asperellum UNE075 y UNE098). Con estos parámetros evaluados se seleccionaron nueve aislamientos para pruebas en condiciones de invernadero, se inocularon y se observó que las plantas infectadas por Curvularia penniseti presentaron un ligero incremento en acumulación de biomasa, peso fresco y tamaño, así como en el contenido de clorofilas. En conclusión, la gulupa presenta microorganismos endófitos cuya composición de la población varía entre los diferentes sitios evaluados. Los endófitos aislados representan un reservorio para la búsqueda de características de interés con miras el desarrollo de formulaciones bioactivas.Palabras clave: Passiflora, promoción de crecimiento vegetal, antagonismo, control biológico de fitopatógenos, diversidad. 6 Aislamiento de endófitos en gulupa (Passiflora edulis Sims f.) y su potencial para promoción de crecimiento de la planta y control del Fitopatógeno Fusarium oxysporum

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Section: Producción De Aia Y Solubilizadores De Fósforounclassified

The effects of dark septate endophyte (DSE) inoculation on tomato seedlings under Zn and Cd stress

Zhu

Wang

et al. 2018

Environ Sci Pollut Res

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“…However, the diameters of these lesions gradually increase over time and, finally, the whole fruit decays completely. Diaporthe infercuda [16], Phytophthora drechsleri [17], Phytophthora nicotianae [18], Colletotrichum brevisporum [19], Lasiodiplodia theobromae [20], and Trichothecium roseum [21] have previously been reported as the causal agents of postharvest rot in passion fruit. However, in this study, D. passiflorae was isolated as the dominant pathogen causing brown rot in passion fruit.…”

Section: Discussionmentioning

confidence: 99%

“…These problems seriously affect the quality and commercial value of passion fruit. Globally, several fungal pathogens have been identified as causing passion fruit decays, including Diaporthe infercuda [16], Phytophthora drechsleri [17], Phytophthora nicotianae [18], Colletotrichum brevisporum [19], Lasiodiplodia theobromae [20], and Trichothecium roseum [21].…”

Section: Introductionmentioning

confidence: 99%

Insights into the Isolation, Identification, and Biological Characterization Analysis of and Novel Control Strategies for Diaporthe passiflorae in Postharvest Passion Fruit

Wang,

Chen,

Lin

et al. 2023

JoF

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Postharvest diseases seriously restrict developments in the passion fruit industry. In this study, we aimed to identify the postharvest pathogen affecting passion fruit, investigate its pathogenicity, and explore relevant control methods. The pathogen was isolated from rotting passion fruit and identified using morphological characteristics, ITS sequences, and phylogenetic tree analyses. Additionally, preliminary studies were conducted to assess the biological characteristics of the pathogen and evaluate the efficacy of various treatments for disease control. The fungus on the passion fruit called B4 was identified as Diaporthe passiflorae. Optimal conditions for mycelial growth were observed at 25–30 °C and pH 5–6, with starch as the carbon source and peptone as the nitrogen source. Infection by D. passiflorae accelerated fruit decay, reduced the h° value of the peel, and increased the peel cell membrane permeability when compared to the control. Notably, treatments with appropriate concentrations of ɛ-poly-l-lysine, salicylic acid, and melatonin showed inhibitory effects on the pathogen’s growth in vitro and may thus be potential postharvest treatments for controlling brown rot caused by D. passiflorae in passion fruit. The results provide a scientific basis for the development of strategies to control postharvest decay and extend the storage period of passion fruit.

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“…We found that the communities vary in composition, with some maternal plants housing pathogenic species and others not. For example, in Site 1 most plants house Alternaria alternata and Ascochyta herbicola, but only seed from maternal plant five houses the plant pathogens Diaporthe infecunda (Moreira et al 2020) and Curvularia trifolii (Falloon 1976) (Fig. 5).…”

Section: Reason 10: Contain Contamination (Pest and Diseases)mentioning

confidence: 99%

Maintaining separate maternal lines increases the value and applications of seed collections

et al. 2023

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Context Given the effort and resources that go into collecting and maintaining seed collections, it is crucial that we maximise their usefulness. Conservation, restoration and research rely heavily on good quality collections in order to establish new populations, create habitat, minimise extinction and address scientific questions. Aims Although seed viability, excellent metadata and genetic representativeness make for good quality collections, we provide 10 detailed reasons why the maintenance of separate maternal lines further increases the quality and usefulness of seed collections. Key results Maternal line seed collections can accommodate new information, this is especially important given the increasing longevity of seed collections. For example, maintaining separate maternal lines facilitates accommodation of taxonomic changes, minimises the impact of erroneous plant identifications, and facilitates separation of polyploid races, hybrids and inappropriate lineages. Separate maternal line collections also facilitate better estimates of the genetic diversity captured, and consequently better inform conservation translocations and the establishment of conservation gardens and seed orchards. Separate maternal line collections can also expedite breeding for specific traits, such as disease resistance or other selective challenges that impact on biodiversity conservation. New seed microbiome data show how only some maternal lines contain pathogenic fungi, reminding seed collectors and collections managers that contamination can be better contained by keeping each maternal line separate. Conclusions and implications Maintaining separate maternal lines is a simple and effective way to increase the value of seed collections for multiple applications.

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Phomopsis rot caused by Diaporthe infecunda on fruit and flowers of Passiflora edulis in Brazil

Cited by 4 publications

References 16 publications

The effects of dark septate endophyte (DSE) inoculation on tomato seedlings under Zn and Cd stress

The effects of dark septate endophyte (DSE) inoculation on tomato seedlings under Zn and Cd stress

Insights into the Isolation, Identification, and Biological Characterization Analysis of and Novel Control Strategies for Diaporthe passiflorae in Postharvest Passion Fruit

Maintaining separate maternal lines increases the value and applications of seed collections

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