First report of white mould caused by Sclerotinia sclerotiorum on pea in Bangladesh

Islam, M. R.; Prova, Ananya; Akanda, Abdul Mannan; Hossain, Md. Motaher

doi:10.1007/s42161-020-00518-1

Cited by 9 publications

(4 citation statements)

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“…Although S. sclerotiorum has been reported to be the pathogen of the white mold of a pea in other countries [33,34], this is the first documented occurrence to our knowledge of a strain infecting pea in Bangladesh [9]. In Bangladesh, S. sclerotiorum was previously reported on hyacinth bean, jackfruit, and okra [10,17,28,34], implying that the pathogen has the potential to expanse to other host species.…”

Section: Discussionmentioning

confidence: 82%

White Mold on Pea Caused by <em>Sclerotinia sclerotiorum</em>: A New Threat for Pea Cultivation in Bangladesh

Islam¹,

Prova²,

Rubayet³

et al. 2020

Preprint

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A new disease causing the tan to light brown blighted stems and pods has occurred in 2.6% pea (Pisum sativum L.) plants with an average disease severity rating of 3.7 in Chapainawabganj district, Bangladesh. A fungus with white appressed mycelia and large sclerotia was consistently isolated from symptomatic tissues. The fungus formed funnel-shaped apothecia with sac-like ascus and endogenously formed ascospores. Healthy pea plants inoculated with the fungus produced typical white mold symptoms. The internal transcribed spacer sequences of the fungus were 100% similar to that recovered from an epitype of Sclerotinia sclerotiorum, considering the fungus to be the causative agent of white mold. Mycelial growth and sclerotial development of S. sclerotiorum were favored at 20°C and pH 5.0. Glucose was the best carbon sources to support hyphal growth and sclerotia formation. Bavistin and Amistar Top inhibited the radial growth of the fungus completely at the lowest concentration. In planta, foliar application of Amistar Top showed the considerable potential to control the disease at 1.0% concentration until 7 days after spraying, while Bavistin prevented infection significantly until 15 days after spraying. A large majority (70.93%) of genotypes including tested released pea cultivars were susceptible, while six genotypes (6.98%) appeared resistant to the disease. These results could be important for management strategies aiming to control the incidence of S. Sclerotinia and eliminate yield loss in pea.

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Section: Discussionmentioning

confidence: 82%

White Mold on Pea Caused by <em>Sclerotinia sclerotiorum</em>: A New Threat for Pea Cultivation in Bangladesh

Islam¹,

Prova²,

Rubayet³

et al. 2020

Preprint

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“…A preliminary study identified the disease as white mold caused by S. sclerotiorum . This was the first evidence of white mold infection in pea in the field [9]. The disease was observed in consecutive years in this region.…”

Section: Introductionmentioning

confidence: 78%

First characterization of a newly emerging phytopathogen, Sclerotinia sclerotiorum causing white mold in pea

2021

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Pea (Pisum sativum L.) is of global importance as a food crop for its edible pod and seed. A new disease causing the tan to light brown blighted stems and pods has occurred in pea (P. sativum L.) plants in Chapainawabganj district, Bangladesh. A fungus with white‐appressed mycelia and large sclerotia was consistently isolated from symptomatic tissues. The fungus formed funnel‐shaped apothecia with sac‐like ascus and endogenously formed ascospores. Healthy pea plants inoculated with the fungus produced typical white mold symptoms. The internal transcribed spacer sequences of the fungus were 100% similar to Sclerotinia sclerotiorum, considering the fungus to be the causative agent of white mold disease in pea, which was the first record in Bangladesh. Mycelial growth and sclerotial development of S. sclerotiorum were favored at 20°C and pH 5.0. Glucose was the best carbon source to support hyphal growth and sclerotia formation. Bavistin and Amistar Top inhibited the radial growth of the fungus completely at the lowest concentration. In planta, foliar application of Amistar Top showed the considerable potential to control the disease at 1.0% concentration until 7 days after spraying, while Bavistin prevented infection significantly until 15 days after spraying. A large majority (70.93%) of genotypes, including tested released pea cultivars, were susceptible, while six genotypes (6.98%) appeared resistant to the disease. These results on identification, characterization, host resistance, and fungicidal control of white mold could be valuable to achieve improved management of a new disease problem for pea cultivation.

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“…S. sclerotiorum possesses profound parasitic abilities and can colonize nearly all plant tissues with its mycelia. Critically, this fungus does not have a specificity for any particular host and infects over a few hundred monocotyledonous and dicotyledonous plant species, including some economically important crops, flowers, and weeds [ 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 ]. While S. sclerotiorum is primarily a plant parasite, a recent study has found that it can also grow endophytically in monocots, including rice ( Oryza sativa ), wheat ( Triticum aestivum ), maize ( Zea mays ), barley ( Hordeum vulgare ), and oat ( Avena sativa ) [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

Sclerotinia sclerotiorum (Lib.) de Bary: Insights into the Pathogenomic Features of a Global Pathogen

Hossain

Sultana

et al. 2023

Cells

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Sclerotinia sclerotiorum (Lib.) de Bary is a broad host-range fungus that infects an inclusive array of plant species and afflicts significant yield losses globally. Despite being a notorious pathogen, it has an uncomplicated life cycle consisting of either basal infection from myceliogenically germinated sclerotia or aerial infection from ascospores of carpogenically germinated sclerotia. This fungus is unique among necrotrophic pathogens in that it inevitably colonizes aging tissues to initiate an infection, where a saprophytic stage follows the pathogenic phase. The release of cell wall-degrading enzymes, oxalic acid, and effector proteins are considered critical virulence factors necessary for the effective pathogenesis of S. sclerotiorum. Nevertheless, the molecular basis of S. sclerotiorum pathogenesis is still imprecise and remains a topic of continuing research. Previous comprehensive sequencing of the S. sclerotiorum genome has revealed new insights into its genome organization and provided a deeper comprehension of the sophisticated processes involved in its growth, development, and virulence. This review focuses on the genetic and genomic aspects of fungal biology and molecular pathogenicity to summarize current knowledge of the processes utilized by S. sclerotiorum to parasitize its hosts. Understanding the molecular mechanisms regulating the infection process of S. sclerotiorum will contribute to devising strategies for preventing infections caused by this destructive pathogen.

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First report of white mould caused by Sclerotinia sclerotiorum on pea in Bangladesh

Cited by 9 publications

References 2 publications

White Mold on Pea Caused by <em>Sclerotinia sclerotiorum</em>: A New Threat for Pea Cultivation in Bangladesh

White Mold on Pea Caused by <em>Sclerotinia sclerotiorum</em>: A New Threat for Pea Cultivation in Bangladesh

First characterization of a newly emerging phytopathogen, Sclerotinia sclerotiorum causing white mold in pea

Sclerotinia sclerotiorum (Lib.) de Bary: Insights into the Pathogenomic Features of a Global Pathogen

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