First Report of Anthracnose Crown Rot of Strawberry Caused by <i>Colletotrichum siamense</i> in Rajshahi District of Bangladesh

Gupta, Dipali Rani; Kabir, M. K.; Hassan, Oliul; Sabir, Abdullah As; Mahmud, Nur Uddin; Surovy, Musrat Zahan; Rahman, M.; Chang, Taehyun; Panaccione, Daniel G.; Islam, Tofazzal

doi:10.1094/pdis-08-18-1461-pdn

Cited by 13 publications

(7 citation statements)

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“…at the genus level based on the observation of colony morphology and phylogenetic analysis ( Supplementary Figure 1 , Supplementary Table 1 , and Figure 1 ). In addition, since Colletotrichum is a very complex genus and need for identification of it at the species level by further genomics analyses ( Gupta et al, 2019 ), strains YMY6 and YMJ13 also were preliminarily ascribed to Colletotrichum sp. at the genus level.…”

Section: Resultsmentioning

confidence: 99%

“…All nucleotide sequences of these isolates were no less than 99% similarity to the closest matches in the nucleotide database, except for strain ZZ2, which showed only 90.14% identity with the sequence KM268690.1 retrieved from the NCBI GenBank database ( 1). In addition, since Colletotrichum is a very complex genus and need for identification of it at the species level by further genomics analyses (Gupta et al, 2019), strains YMY6 and YMJ13 also were preliminarily ascribed to Colletotrichum sp. at the genus level.…”

Section: Isolation and Identification Of Endophytic Fungimentioning

confidence: 99%

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Diversity, Chemical Constituents, and Biological Activities of Endophytic Fungi Isolated From Ligusticum chuanxiong Hort

et al. 2021

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The objective of this study was to evaluate the diversity of endophytic fungi of different parts of Ligusticum chuanxiong Hort (CX) and further characterize their biological activities and identify chemical compounds produced by these endophytic fungi. A total of 21 endophytic fungi were isolated and identified from CX. Penicillium oxalicum, Simplicillium sp., and Colletotrichum sp. were identified as promising strains by the color reaction. Comparing different organic extracts of the three strains, it was observed that the ethyl acetate extract of Penicillium oxalicum and Simplicillium sp. and the n-butanol extract of Colletotrichum sp. showed significant antioxidant and antibacterial activities. The ethyl acetate extracts of Penicillium oxalicum had outstanding antioxidant and antibacterial effects, and its radical scavenging rates for ABTS and DPPH were 98.43 ± 0.006% and 90.11 ± 0.032%, respectively. At the same time, their IC50 values were only 0.18 ± 0.02 mg/mL and 0.04 ± 0.003 mg/mL. The ethyl acetate extract of Penicillium oxalicum showed MIC value of only 0.5 mg/mL against Escherichia coli and Staphylococcus aureus. By liquid chromatography-mass spectrometry (LC-MS), we found that Penicillium oxalicum could produce many high-value polyphenols, such as hesperidin (36.06 μmol/g), ferulic acid (1.17 μmol/g), and alternariol (12.64 μmol/g), which can be a potential resource for the pharmaceutical industry. In conclusion, these results increase the diversity of CX endophytic fungi and the antioxidant and antibacterial activities of their secondary metabolites.

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Section: Resultsmentioning

confidence: 99%

Section: Isolation and Identification Of Endophytic Fungimentioning

confidence: 99%

Diversity, Chemical Constituents, and Biological Activities of Endophytic Fungi Isolated From Ligusticum chuanxiong Hort

et al. 2021

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“…2013). In Bangladesh, C. siamense was shown to cause strawberry crown rot (Gupta et al 2019). In Israel and Iran, C. nymphaeae was revealed to infect strawberry fruits (Jayawardena et al 2016b;Karimi et al 2017).…”

Section: The Diversity Of Colletotrichum Spp On Strawberry: a Histori...mentioning

confidence: 99%

“…As the most prevailing pathogens causing strawberry anthracnose crown rot in Asia-Pacific region (Nam et al 2013;Han et al 2016;Jayawardena et al 2016a;Gan et al 2017;Hirayama et al 2018;Gupta et al 2019;Chen et al 2020;Chung et al 2020;Zhang et al 2020;Jian et al 2021;Zhong et al 2021;Oliveira et al 2022;Wang et al 2022), C. siamense and C. fructicola are actually the top two Colletotrichum species most frequently occurred worldwide (Talhinhas and Baroncelli 2021). Both two species are cosmopolitan fungi adapting to a wide range of host plants, most reported in tropical and sub-tropical regions but with significantly higher occurrences in Asia than in other continents.…”

Section: Host Ranges Of C Siamense and C Fructicola The Most Prevaili...mentioning

confidence: 99%

Colletotrichum species pathogenic to strawberry: discovery history, global diversity, prevalence in China, and the host range of top two species

Gao

et al. 2022

Phytopathol Res

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Anthracnose caused by Colletotrichum species, is one of the most destructive diseases affecting strawberry production worldwide. Fungi of the genus Colletotrichum, being ancient and co-evolved with flowering plants, rank eighth among the top ten economically important fungal pathogens and have diversified to adapt to various hosts. Since it was first reported in United States in 1931, strawberry anthracnose has spread globally, resulting in devastating economic, social, and ecological consequences. In a sense, to produce organic strawberry is impracticable largely because of this disease. Colletotrichum species pathogenic to strawberry have been widely characterized. The review focused on providing an accurate inventory of Colletotrichum species pathogenic to strawberry via revisiting the discovery history scrupulously over 90 years. A total of 23 Colletotrichum species clustered into five species complexes and two singleton taxa were accepted as strawberry pathogens with global occurrence illustrated. The relative prevalence of distinct Colletotrichum species associated with strawberry was systematically analyzed in China. Finally, the host range of the prevailing C. fructicola and C. siamense, also the top two Colletotrichum species causing serious damages on the earth was summarized, with a goal of diagnosing accurately and improving anthracnose management in agricultural ecosystem.

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“…Since the genus of Sclerotium produce only sclerotia and no fruiting bodies or spores, therefore, di cult to identify the species by only morphological characterization (Xu et al 2010). Morphological characterizations along with molecular identi cation are now widely using to resolve the species delimitation many fungal species (Gupta et al, 2019;Surovy et al 2019). Sequencing of the ITS region located between the nuclear small-and largesubunit rRNA genes is very effective to identify the fungi at their species level.…”

Section: Discussionmentioning

confidence: 99%

First occurrence of Sclerotium rolfsii associated with collar and root rot disease of faba bean and its in vitro chemical control

Paul

Gupta

Mahapatra

et al. 2022

Preprint

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Faba bean (Vicia faba L.), a promising grain legume, widely grown in central and northern part of Bangladesh. Disease symptoms resembling to collar and root rot was observed in an experimental field of Bangladesh Agricultural University, Mymensingh, Bangladesh. Disease incidence was ranged between 11–19%. Water-soaked sunken lesions were appeared on the collar region followed by the expansion of rotten areas along with white mycelial mass. The associated pathogen was isolated and identified as Sclerotium rolfsii (Teleomorph: Athelia rolfsii) based on the morphological characteristics and sequence analysis of ITS regions. The isolates grew well in both PDA and OMA media but optimum radial growth (3.31 cm/day) was observed in PDA media. The optimum temperature and pH for radial growth were 30°C and 7.0, respectively. Host range assay revealed that S. rolfsii isolates were strongly virulent to several other important crops such as tomato, brinjal chili, pea and chick pea indicating its potential threat to future agricultural production. Although the isolates were sensitive to Amistar Top, Score and Provax fungicides but Provax was more effective to inhibit the mycelial growth of S. rolfsii at 10 ppm. To best of our knowledge, this is the first confirmed report of S. rolfsii causing collar rot of faba bean in Bangladesh and their in vitro chemical control.

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First Report of Anthracnose Crown Rot of Strawberry Caused by Colletotrichum siamense in Rajshahi District of Bangladesh

Cited by 13 publications

References 5 publications

Diversity, Chemical Constituents, and Biological Activities of Endophytic Fungi Isolated From Ligusticum chuanxiong Hort

Diversity, Chemical Constituents, and Biological Activities of Endophytic Fungi Isolated From Ligusticum chuanxiong Hort

Colletotrichum species pathogenic to strawberry: discovery history, global diversity, prevalence in China, and the host range of top two species

First occurrence of Sclerotium rolfsii associated with collar and root rot disease of faba bean and its in vitro chemical control

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