Morphological characterization and molecular identification of Colletotrichum species associated to sweet persimmon anthracnose in Southern Brazil

Andrioli, Joel; Scariot, Fernando Joel; Delamare, Ana Paula Longaray; Echeverrigaray, Sérgio

doi:10.1590/0103-8478cr20200728

Cited by 3 publications

(4 citation statements)

References 26 publications

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“…No information exists in the literature on differences in aggressiveness among isolates of each of the five Colletotrichum species, although such differences have been reported for other species of the C. gloeosporioides complex (Wang et al, 2021). Liu et al, 2015;Diao et al, 2017;Sharma et al, 2017Sharma et al, , 2022de Silva et al, 2017b;Giblin et al, 2018;Chethana et al, 2019;Costa et al, 2019;Chaves et al, 2020;Chen et al, 2020;Chung et al, 2020;Mao et al, 2020;Yokosawa et al, 2020;Andrioli et al, 2021;Carbone et al, 2021;Luo et al, 2021;Moral et al, 2021;Oo et al, 2021;Han et al, 2022). However, these symptoms are similar to those caused by other Colletotrichum species belonging either to the C. gloeosporioides complex or to other Colletotrichum species complexes.…”

Section: Intraspecific Diversitymentioning

confidence: 98%

“…Plants infected by C. aenigma, C. alienum, C. perseae, C. siamense or C. theobromicola show symptoms of anthracnose, which may include dark brown stem and fruit spots, stem cankers, pre‐ and post‐harvest fruit rot, leaf spots and wilt, shoot‐tip dieback and defoliation (Rodrigues et al, 2014; Liu et al, 2015; Diao et al, 2017; Sharma et al, 2017, 2022; de Silva et al, 2017b; Giblin et al, 2018; Chethana et al, 2019; Costa et al, 2019; Chaves et al, 2020; Chen et al, 2020; Chung et al, 2020; Mao et al, 2020; Yokosawa et al, 2020; Andrioli et al, 2021; Carbone et al, 2021; Huang et al, 2021; Luo et al, 2021; Moral et al, 2021; Oo et al, 2021; Han et al, 2022). However, these symptoms are similar to those caused by other Colletotrichum species belonging either to the C. gloeosporioides complex or to other Colletotrichum species complexes.…”

Section: Pest Categorisationmentioning

confidence: 99%

“…In the areas of their current distribution, C. aenigma, C. alienum, C. perseae, C. siamense and C. theobromicola are reported to cause anthracnose and pre-and post-harvest fruit rots on their host plants (see Section 3.1.5). Andrioli et al (2021) reported that in Brazil, early infection of sweet persimmon fruit by anthracnose caused by C. aenigma, C. asianum, C. fructicola and C. nymphaeae caused premature fruit drop. Moreover, the disease developed further during fruit ripening and after harvest, leading to post-harvest losses of 50-90%.…”

Section: Impactsmentioning

confidence: 99%

“…Andrioli et al (2021) reported that in Brazil, early infection of sweet persimmon fruit by anthracnose caused by C. aenigma, C. asianum, C. fructicola and C. nymphaeae caused premature fruit drop. Moreover, the disease developed further during fruit ripening and after harvest, leading to post‐harvest losses of 50–90%.…”

Section: Pest Categorisationmentioning

confidence: 99%

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Pest categorisation of Colletotrichum aenigma, C. alienum, C. perseae, C. siamense and C. theobromicola

Bragard¹,

Baptista²,

Chatzivassiliou³

et al. 2022

EFS2

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The EFSA Plant Health Panel performed a pest categorisation of Colletotrichum aenigma, C. alienum, C. perseae, C. siamense and C. theobromicola, five clearly defined fungi of the C. gloeosporioides complex causing anthracnose. The pathogens are widely distributed in at least three continents. C. aenigma and C. siamense are reported from Italy and C. alienum from Portugal, including the Madeira Islands, with a restricted distribution. C. perseae and C. theobromicola are not known to be present in the EU. However, there is uncertainty on the status of the pathogens worldwide and in the EU because of the taxonomic re-evaluation of the genus Colletotrichum and the lack of specific surveys. The pathogens are not included in Commission Implementing Regulation (EU) 2019/2072 and there are no reports of interceptions in the EU. With the exception of C. perseae, which has a very limited number of hosts, the other four Colletotrichum species have relatively wide host ranges. Therefore, this pest categorisation focused on those hosts for which there is robust evidence that the pathogens were formally identified by a combination of morphology, pathogenicity and multilocus sequence analysis. Host plants for planting and fresh fruits are the main entry pathways into the EU. Host availability and climate suitability factors occurring in some parts of the EU are favourable for the establishment of the pathogens. No yield losses have been reported so far in the EU but in non-EU areas of their current distribution, the pathogens have a direct impact on cultivated hosts that are also relevant for the EU. Phytosanitary measures are available to prevent the further introduction and spread of C. aenigma, C. alienum and C. siamense into the EU as well as the introduction and spread of C. perseae and C. theobromicola. C. aenigma, C. alienum, C. perseae, C. siamense and C. theobromicola satisfy the criteria that are within the remit of EFSA to assess for these species to be regarded as potential Union quarantine pests.

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Section: Intraspecific Diversitymentioning

confidence: 98%

Section: Pest Categorisationmentioning

confidence: 99%

Section: Impactsmentioning

confidence: 99%

Section: Pest Categorisationmentioning

confidence: 99%

See 2 more Smart Citations

Pest categorisation of Colletotrichum aenigma, C. alienum, C. perseae, C. siamense and C. theobromicola

Bragard¹,

Baptista²,

Chatzivassiliou³

et al. 2022

EFS2

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Colletotrichum species associated with loquat anthracnose in Kagawa and Tokushima prefectures, Japan

AKIMITSU,

Poti,

Kisaki

et al. 2023

Preprint

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Anthracnose caused by Colletotrichum species is one of the serious diseases of loquat, but diversification of the species of Colletotrichum associated with loquat in Japan has not been adequately surveyed. In this study, 46 isolates were isolated from diseased leaves and fruits of loquat in Kagawa and Tokushima prefectures in 2017 and 2018. Using a combination of morphological features and molecular approaches, seven Colletotrichum species were identified: C. fioriniae, C. nymphaeae, C. karsti, C. aenigma, C. fructicola, C. gloeosporioides s. s., and C. siamense. The most prevalent species was C. karsti followed by C. fioriniae and C. gloeosporioides s. s., accounting for 43.5, 21.7, and 13.0%, respectively. All identified species were confirmed to be the causal agents of loquat anthracnose by applying Koch’s postulates. Moreover, potential cross-infection from loquat to kiwifruit, satsuma mandarin, persimmon, and peach was found, in which loquat isolates of C. fioriniae, C. fructicola, and C. siamense caused symptoms on all the tested plants. This report is the first on C. karsti and C. aenigma associated with loquat anthracnose and the first record of C. fructicola and C. gloeosporioides s. s. in Japan, providing crucial information for epidemiology.

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Structural Changes Caused by CO2 or Ethanol Deastringency Treatments in Cold-Stored ‘Giombo’ Persimmon

et al. 2022

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Persimmon cv. Giombo is astringent at harvest and must be subjected to astringency removal treatment. To date, the most widespread treatment for this variety involves applying ethanol instead of high CO2 concentrations, which is the usual treatment with other varieties. This study aims to evaluate the effect of high CO2 or ethanol concentrations as deastringency treatments on the quality and flesh structure of ’Giombo´ persimmon during cold storage. The deastringency process was faster in the fruit treated with CO2 than with ethanol. One day after treatment, the CO2-treated fruit showed lower soluble tannin levels than those detected sensorially for this variety, while with the ethanol-treated fruit, these values were obtained after 25 storage days plus the shelf-life period. The tannin insolubilisation process was observed by light microscopy. Loss of flesh firmness during storage was more pronounced when fruit were previously treated with ethanol than with CO2. This is closely related to greater parenchyma degradation during storage caused by ethanol treatment, which was observed by a microstructural study by cryo-scanning electron microscopy. Therefore, as deastringency treatment for ‘Giombo’, applying CO2 instead of ethanol treatment is recommended for better fruit quality, especially when fruit are to be cold-stored.

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Morphological characterization and molecular identification of Colletotrichum species associated to sweet persimmon anthracnose in Southern Brazil

Cited by 3 publications

References 26 publications

Pest categorisation of Colletotrichum aenigma, C. alienum, C. perseae, C. siamense and C. theobromicola

Pest categorisation of Colletotrichum aenigma, C. alienum, C. perseae, C. siamense and C. theobromicola

Colletotrichum species associated with loquat anthracnose in Kagawa and Tokushima prefectures, Japan

Structural Changes Caused by CO2 or Ethanol Deastringency Treatments in Cold-Stored ‘Giombo’ Persimmon

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