First Report of Fusarium Wilt Caused by <i>Fusarium oxysporum</i> on Strawberry in Bangladesh

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

doi:10.1094/pdis-07-18-1121-pdn

Cited by 8 publications

(6 citation statements)

References 5 publications

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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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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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“…as one of the main causes of soil‐borne diseases in Spanish strawberry nurseries and currently has the same frequency of occurrence as the major pathogens associated with Spanish fruit production ( P. cactorum , F. oxysporum , and Macrophomina phaseolina ) 19 . F. oxysporum has been described as a strawberry pathogen in Spanish soilless and field crops 20 and has been identified in Western Australia, South Carolina, Serbia, and Bangladesh 21–24 …”

Section: Discussionmentioning

confidence: 99%

Effect of chemical alternatives to methyl bromide on soil‐borne disease incidence and fungal populations in Spanish strawberry nurseries: A long‐term study

Villarino¹,

Larena²,

Melgarejo³

et al. 2020

Pest Management Science

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BACKGROUND Chloropicrin (PIC) mixtures of 1,3‐dichloropropene and chloropicrin (DD:PIC), dazomet, and metam sodium (MS) have been applied as chemical alternatives to methyl bromide (MB) in Spanish strawberry nurseries since MB was banned as a soil fumigant in 2005. These chemical alternatives were applied to soil in two Spanish strawberry nurseries between 2003 and 2017 to test their efficacy against the main crown and root disease and soil fungal populations in comparison with the use of MB and PIC (MB:PIC). These chemicals were applied at several doses with different application methods under plastic films. Crown and root disease incidence was calculated as the percentage of plants with symptoms caused by soil‐borne pathogens. Soil fungal populations were estimated as colony forming units per gram of dry soil. RESULTS All chemicals significantly reduced soil‐borne fungal disease incidence and fungal population in both nurseries over the years. Phytophthora cactorum and Fusarium spp. were the main pathogens causing soil‐borne diseases, followed by Verticillium spp. MB:PIC remained the treatment that best controlled P. cactorum. MS and DD:PIC controlled Fusarium disease to a lesser extent than MB:PIC and dazomet in both nurseries. MB:PIC and PIC were the two treatments that most reduced Verticillium spp. The population of Verticillium spp. declined and the presence of other species such as Colletotrichum spp. and Rhizoctonia spp. was minimal during the study. CONCLUSION Chemicals are necessary to obtain healthy strawberry plants. The use of chemical alternatives to MB has resulted in changes in the incidence of soil‐borne diseases and soil fungal populations in strawberry nurseries. Dazomet was an effective alternative to MB as a soil‐borne disease control, except against Verticillium spp. MB alternatives in strawberry nursery soils have caused Fusarium spp. to displace Verticillium spp.

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“…[18], Fusarium oxysporum f. sp. fragariae in Chile [22]; China [23]; Spain [24]; California, USA [25]; Iraq [26]; Serbia [27]; Turkey [28]; Iran [29]; Bangladesh [30]; Ecuador [31]; Macrophomina phaseolina in Florida, USA [32]; Israel [33]; California, USA [34]; Spain [35]; Argentina [36]; Iran [37]; Australia [38]; Chile [39]; Tunisia [40]; Italy [41]; and probably Neopestalotiopsis spp., emerging parasite whose presence has been reported in 17 countries during this century in Brazil [42], Egypt [43]; Morocco [44]; Spain [45]; Iran [46]; Vietnam [47]; Belgium [48]; Argentina [49]; India [50]; Korea [51]; Uruguay [52]; Italy [53]; Mexico [54]; China [55]; Ecuador [56]; Finland [57]; Taiwan [58], and that it could acquire global importance if the damage persists in future years. It is important to highlight that Colletotrichum spp.…”

Section: Disease Resistancementioning

confidence: 99%

The Genetic Diversity of Strawberry Species, the Underutilized Gene Pool and the Need for Cultivars with New Quality and Agronomic Attributes

Dávalos-González¹,

Aguilar-García²,

Rodríguez-Guillén³

et al. 2023

Recent Studies on Strawberries

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The growing increase in global strawberry production and consumption has been spectacular during this century. In 2019, 396,401 ha were planted, and 8.9 million tons of fruit were produced globally, and more than 50% of that volume was in the subtropical climate. The problems and losses caused by diseases and pests are of global importance, particularly with root and crown diseases, the severity and spread of which has been magnified by the cancelation of certain soil fumigants, and by the susceptibility to one or more of the parasites of the group of cultivars currently planted. The use of the genetic reservoir available both in the cultivated species, as in the 26 wild species, is a formidable wealth of genes, partially collected, and characterized, which can be of fundamental importance to introduce new genetic combinations into modern commercial cultivars and to redesign them, so that they have a greater adaptation to stresses caused by biotic and abiotic factors, in addition to an important improvement in the nutraceutical quality of the fruit. This chapter documents the importance of this gene pool in the development of elite cultivars with these qualities.

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First Report of Fusarium Wilt Caused by Fusarium oxysporum on Strawberry in Bangladesh

Cited by 8 publications

References 5 publications

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

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

Effect of chemical alternatives to methyl bromide on soil‐borne disease incidence and fungal populations in Spanish strawberry nurseries: A long‐term study

The Genetic Diversity of Strawberry Species, the Underutilized Gene Pool and the Need for Cultivars with New Quality and Agronomic Attributes

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