Colletotrichum Species Causing Anthracnose of Citrus in Australia

Wang, Weixia; Silva, Dilani D. de; Moslemi, Azin; Edwards, Jacqueline; Ades, Peter K.; Crous, Pedro W.; Taylor, P. W. J.

doi:10.3390/jof7010047

Cited by 62 publications

(59 citation statements)

References 51 publications

(97 reference statements)

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“…In the present study, L. theobromae was the only fungus that was identified from the C. limon. However, many fungal strains have been reported as pathogens in previous studies such as C. gloeosporioides, A. alternata, A. citri, P. italicum, P. digitatum and Botrytis cinerea in C. limon (Kaur et al, 2020;Taha et al, 2019;Wang et al, 2021).…”

Section: Frequency Of Occurrence and Distribution Of The Fungal Isolatesmentioning

confidence: 99%

“…Furthermore, L. theobromae has been known to be associated with stem-end rot disease in citrus fruits. The above two pathogens are considered as endophytes on a wide range of plant hosts and they have the ability to develop latent infections to become active during fruit ripening (Wang et al, 2021;Zhang, 2014;). Lasiodiplodia pseudotheobromae, N. parvum, and Aspergillus sp.…”

Section: Frequency Of Occurrence and Distribution Of The Fungal Isolatesmentioning

confidence: 99%

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Morphological and molecular identification of fungi for their association with postharvest fruit rots in some selected citrus species

et al. 2022

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Purpose:The availability of fresh Citrus fruits is limited by their susceptibility to invasion by microbial pathogens which leads to cause serious postharvest losses. The present study was carried out to isolate and morphologically identify postharvest fungal associations from selected Citrus fruit species (C. sinensis, C. limon, C. crenatifolia and C. medica) and to confirm their identity by molecular characterization.Research Method: Postharvest fungal associations of selected Citrus fruit species were isolated, and identification was done based on morphological characteristics. Confirmation of fungal associations was done through phylogenetic analysis of newly generated ITS sequencing data. Further, frequency of occurrence of each fungal isolate was calculated in three different districts in Sri Lanka.Findings: From the morphological and molecular identification, Collectrichum fructicola, Collectrichum gloeosporioides, Lasiodiplodia theobromae, Aspergillus niger and Pestalotiopsis sp. were recorded from C. sinensis. Neofusicoccum parvum, Collectrichum gigasporium and Aspergillus clavatus were isolated from C. crenatifolia. Further, Lasiodiplodia theobromae and L. pseudotheobromae were the only fungal association isolated from C. limon and C. medica fruit species, respectively. It is worthwhile noting that this is the first report of association of the C. gigasporium and Pestalotiopsis sp. from Citrus fruits in Sri Lanka.Research Limitations: Since this research was mainly focused on the isolation and identification of the potential fungal associations, pathogenicity evaluation could not be carried out.Originality/value: Findings of potential disease causative agents in citrus will be valuable for agriculture sector, to adopt and practice effective strategies to minimize postharvest losses of citrus fruits.

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Section: Frequency Of Occurrence and Distribution Of The Fungal Isolatesmentioning

confidence: 99%

Section: Frequency Of Occurrence and Distribution Of The Fungal Isolatesmentioning

confidence: 99%

Morphological and molecular identification of fungi for their association with postharvest fruit rots in some selected citrus species

et al. 2022

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“…In Oceania, C. fructicola is reported from Australia (Shivas et al., 2016 ; Giblin et al., 2018 ; Wang et al., 2021 ) and New Zealand (Weir et al., 2012 ; Hofer et al., 2021 ).…”

Section: Pest Categorisationmentioning

confidence: 99%

Pest categorisation of Colletotrichum fructicola

Bragard¹,

Dehnen‐Schmutz²,

Serio³

et al. 2021

EFS2

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The EFSA Plant Health Panel performed a pest categorisation of Colletotrichum fructicola Prihast., a well‐defined polyphagous fungus of the C. gloeosporioides complex which has been reported from all the five continents to cause anthracnose, bitter rot and leaf spotting diseases on over 90 cultivated and non‐cultivated woody or herbaceous plant species. The pathogen is not included in EU Commission Implementing Regulation 2019/2072. Because of the very wide host range, this pest categorisation focused on Camellia sinensis, Citrus sinensis, C. reticulata, Fragaria × ananassa, Malus domestica, M. pumila, Persea americana, Prunus persica, Pyrus pyrifolia and P. bretschneideri for which there was robust evidence that C. fructicola was formally identified by morphology and multilocus gene sequencing analysis. Host plants for planting and fresh fruits are the main pathways for the entry of the pathogen into the EU . There are no reports of interceptions of C. fructicola in the EU . The pathogen has been reported from Italy and France. The host availability and climate suitability factors occurring in some parts of the EU are favourable for the establishment of the pathogen. Economic impact on the production of the main hosts is expected if establishment occurs. Phytosanitary measures are available to prevent the re‐introduction of the pathogen into the EU . Although the pathogen is present in the EU , there is a high uncertainty on its actual distribution in the territory because of the re‐evaluation of Colletotrichum taxonomy and the lack of systematic surveys. Therefore, the Panel cannot conclude with certainty on whether C. fructicola satisfies the criterium of being present but not widely distributed in the EU to be regarded as a potential Union quarantine pest unless systematic surveys for C. fructicola are conducted and Colletotrichum isolates from the EU in culture collections are re‐evaluated.

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“…Chung & H.Y. Wu and C. australianum W. Wang et al were isolated from anthracnose symptoms on strawberry and citrus fruits [31,32]. In addition, Colletotrichum spp.…”

Section: Introductionmentioning

confidence: 99%

Morphology, Phylogeny and Pathogenicity of Colletotrichum menglaense sp. nov., Isolated from Air in China

Qiao

Fang

et al. 2021

Pathogens

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A new species, Colletotrichum menglaense, isolated from air in Mengla, Xishuangbanna, Yunnan Province, China, was characterized and described combining morphological characteristics and multigene phylogenetic analysis. Morphologically, it is characterized by oblong, sometimes slightly constricted, micro-guttulate conidia and simple obovoid to ellipsoidal appressoria. Phylogenetic analysis of the ITS, ACT, CHS, and GAPDH sequences showed that C. menglaense belongs to the C. gloeosporioides complex. The pathogenicity of C. menglaense on fruits of several crop plants, including strawberry, orange, grape, tomato, and blueberry, was tested and confirmed by the re-isolation of C. menglaense.

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Colletotrichum Species Causing Anthracnose of Citrus in Australia

Cited by 62 publications

References 51 publications

Morphological and molecular identification of fungi for their association with postharvest fruit rots in some selected citrus species

Morphological and molecular identification of fungi for their association with postharvest fruit rots in some selected citrus species

Pest categorisation of Colletotrichum fructicola

Morphology, Phylogeny and Pathogenicity of Colletotrichum menglaense sp. nov., Isolated from Air in China

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