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Indian Phytopathology

, Volume 71, Issue 2, pp 279–283 | Cite as

Leaf spot and fruit rot of strawberry caused by Neopestalotiopsis clavispora in Indo-Gangetic plains of India

  • Sunita Mahapatra
  • Joydeep Banerjee
  • Kailash Kumar
  • Subhrajyoti Pramanik
  • Krishnendu Pramanik
  • Saidul Islam
  • Srikanta Das
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Abstract

A severe foliar disease was observed on leaves and fruits of strawberry (Fragaria × ananassa) for the first time from Indo-Gangetic plains of West Bengal in India during 2016–2017. Typical symptom appeared as a small necrotic lesion with a grey coloured centre and purplish brown margin. The spots were scattered on the leaves and gradually the spots coalesced to each other and covered large necrotic areas causing gradual conversion from green areas into black necrotic areas. As the spots were older and matured, black coloured acervuli developed from the necrotic portion. Morphologically the pathogen was very much similar with the genus Neopestalotiopsis previously reported from other countries. Through molecular characterization the pathogen in the present study was confirmed as Neopestalotiopsis clavispora (NCBI accession number MF377347). Further isolated pathogen was tested in some leading strawberry varieties of India. Although all the cultivars showed susceptibility under laboratory as well as field conditions, the variety “Sabrina” showed moderately resistance in leaves as well as fruits among the tested varieties.

Keywords

Fruit rot Indo-Gangetic plains Leaf spot Neopestalotiopsis clavispora Strawberry 

Notes

Acknowledgements

Authors would like to acknowledge Directorate of Research, Bidhan Chandra Krishi Viswavidyalaya (BCKV), Krishi Vigyan Kendra (KVK)-Gayeshpur and Faculty of Agriculture, BCKV for necessary support to carry out the research programme.

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Copyright information

© Indian Phytopathological Society 2018

Authors and Affiliations

  • Sunita Mahapatra
    • 1
  • Joydeep Banerjee
    • 2
  • Kailash Kumar
    • 1
  • Subhrajyoti Pramanik
    • 3
    • 5
  • Krishnendu Pramanik
    • 4
  • Saidul Islam
    • 1
  • Srikanta Das
    • 1
  1. 1.Department of Plant PathologyBidhan Chandra Krishi ViswavidyalayaMohanpurIndia
  2. 2.Department of Genetics and Plant BreedingBidhan Chandra Krishi ViswavidyalayaMohanpurIndia
  3. 3.Kishi Vigyan KendraGoyeshpurIndia
  4. 4.Department of Agricultural BiotechnologyBidhan Chandra Krishi ViswavidyalayaMohanpurIndia
  5. 5.Bidhan Chandra Krishi ViswavidyalayaMohanpurIndia

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