Dr.(Ms).N.Krishnapillai

Dr (Ms). Nahmagal. Krishnapillai
Senior Lecturer Gr. I
B.Sc (Hons, Jaffna), M.Phil (Peradeniya), PhD (Peradeniya)

nahmagal@univ.jfn.ac.lk
+94 21 222 9645

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·  Ph.D. in Plant Science (Postgraduate Institute of Science, University of Peradeniya, Sri Lanka)

·  M.Phil   (Postgraduate Institute of Agriculture,  University of Peradeniya, Sri Lanka)

·  B.Sc. Special in Botany ( University of Jaffna, Sri Lanka)

  • Student counsellor  ( 2010)
  • Chairperson: Biosafety committee, Faculty of Science, University of Jaffna
  • Member of the subcommittee of resource mobilization for the Centre of Gender Equity and Equality 
  • Economically Important Plants
  • Plant Physiology
  • Environmental Biology
  • Medicinal Plants and fruits crops in Applied Botany     
  • Ecology


Abstracts

  1. Effect of calcium chloride preharvest spray on keeping quality of Karthacolomban mangoes, Proceeding of Jaffna Science Association, Vol. 8, No. 1,2000.
  2. Root & Shoot pruning studies on Palmyrah (Borassus flabellifer) seedlings, Proceeding of the seminar on Palmyrah research & Development, November,2001,Colombo. Page 15-16
  3. Fruit quality of Jaffna mangoes, Abstracts of the 26th international horticultural congress, Canada Aug 11-17, 2002, pp522
  4. Mango Agar medium for fungal culture, Proceedings of the 22nd Annual session of the Institute of Biology, Sri Lanka,26-27,September,2002.
  5. Report on the participation of the 26th International horticultural congress, special reference to the benefits of  Sri Lankan Scientist, Department of botany, University of Jaffna, October, 2002.
  6. Medicinal Value of Ginger (Zingiber officinale) in Jaffna. Abstracts of the proceedings of the 3rd world congress on medicinal & aromatic plants for human welfare ( WOCMAP iii), February, 3-7, 2003, Chaing Mai, Thailand.
  7. Effect of specific gravity on maturity and ripening of Ampalavi mangoes, proceedings of the 23rd annual sessions of Institute of Biology, September 25-27, 2003 pp:7.
  8. Maturity indices of Ampalavi mangoes according to its biochemical properties , Proceedings of the 59th annual session of Sri Lankan Association for the advancement of science, December 9-10, 2003 
  9. Traditional medicinal value of Cardiospermum helicacabum L in Jaffna and its antifungal activity, Proceedings of the national conference-cum-workshop on scientific growing socio- economic value and proper utilization of medicinal and aromatic plants for the welfare of rural people, February 25-27, 2005. pp 20.
  10. Conservation of biodiversity: study of some threatened plants in Jaffna, Abstracts of the research papers, 13th annual sessions of Jaffna Science Association, April, 2005. pp: 3.
  11. Traditional medicinal value of Allium sativum L and its antifungal activity, Abstracts of in the international symposium on Herbal medicine, Phytopharmaceuticals and other natural products, Organized by Institute of Chemistry, Ceylon, June 15- 17, 2005. pp: 66.
  12. Assess the quality of Willard mangoes in Jaffna, Proceedings of the 25th annual sessions of Institute of Biology, September, 2005. pp: 33.
  13. Study on post harvest dip treatments of Willard mangoes. Abstracts of the research papers, 14th annual sessions of Jaffna Science Association, April, 2006. pp: 38.
  14. Quality assessment of Karthacolomban mangoes ( Mangifera indica  L.) in different markets of Jaffna, Abstracts of the research papers, 14th annual sessions of Jaffna Science Association, April, 2006. pp: 41.
  15. Fruit ontogeny and physicochemical changes during ripening, Abstracts of the 10th anniversary international symposium of Sabaragamuwa university, 4th – 8th July, 2006.pp:69.
  16. Prolong storage life and Loss reduction technologies of mangoes, Abstracts of the 10th anniversary international symposium of Sabaragamuwa university, 4th – 8th July, 2006.pp:73.
  17. Hot water and pepper treatments of Willard mangoes, Proceedings of the 26th annual sessions of Institute of Biology, September, 2006. pp: 23.
  18. Ascorbic acid content of different varieties of Mangoes in Jaffna. August., 2010. e.poster in 28th horticultural congress., www.ishs.org.
  19. Post harvest oxalic acid treatments of different varieties of Mangoes in Jaffna. August., 2010. e.poster in 28th horticultural congress www.ishs.org.
  20. Krishnapillai, N., Wilson Wijeratnam, R. S. and Adikaram, N.K.B. (2010).  Ascorbic acid content of different varieties of Mangoes. Abstracts of proceedings of 28th International Horticultural Congress, 22-27, August, 2010. Lisbon. pp 762. www.ishs.org.
  21. Krishnapillai, N., Wilson Wijeratnam,R. S and Adikaram, N.K.B. (2010). Post harvest oxalic acid treatments of different varieties of Mangoes.  Abstracts of proceedings of 28th International Horticultural Congress, 22-27, August, 2010. Lisbon. pp 135. www.ishs.org.
  22. Krishnapillai, N. and Wilson Wijeratnam, R.S. (2011). Effect of  aqueous Allium cepa var aggregatum extract dip treatment on Willard mangoes. Abstracts of 31st Annual Sessions of the Institute of Biology, Open university, Nawala, Nugegoda. Sri Lanka. 2011. pp 23.
  23. Krishnapillai, N. and  Wilson Wijeratnam, R.S. (2011). Identification of different varieties of mangoes in Jaffna. Abstracts of proceedings of Sixteenth International Forestry and Environment Symposium, University of Sri Jayewardenepura,  Sri Lanka, 2011. pp 44 – 45.
  24. Kothai., S & Krishnapillai, N (2013). Effect of natural plant extract dip treatments on Karuthakolumban mangoes, Proceedings of 33rd annual sessions of Institute  of Biology, 2013. pp 48.
  25. Krishnapillai, N. and  Wilson Wijeratnam, R.S. (2015). Phenotypical Variation and Characterization of Mango (Mangifera indica L.) Varieties. Proceedings of twentieth International Forestry and Environment Symposium, University of Sri Jayewardenepura, Sri Lanka, Vol 20. pp 5.
  26. Thasajini, N. and Krishnapillai, N. (2017) Morphological Traits and Fruit Quality of Syzygium cumini in Natural Ecosystem and Home Garden, 4th International Conference on Agriculture and Forestry (ICOAF), pp. 24.
  27. Thasajini, N. and Krishnapillai, N. (2017Antimicrobial activity of selected medicinal plants from natural ecosystem will be published in “Asian Symposium on Medicinal Plants, Spices and Other Natural Products XVI”, December 2018.
  28. Krishnapillai, N. (2019). Effect of combined Plant extract postharvest treatments on the quality of ‘Karuthakolumban’, ‘Willard’ and ‘Kodima’ mangoes in Jaffna. Books of the abstracts. The International Conference on Agriculture, Food Security and Safety Colombo. Sri Lanka.  pp 27
  29. Abithanchali, S and Krishnapillai, N. (2019). Morphological variation and fruit quality of different varieties of banana in Jaffna. Books of the abstracts. The International Conference on Agriculture, Food Security and Safety Colombo. Sri Lanka.  pp 32.

  30. Krishnapillai, N (2021)Effect of Low temperature storage on fruit quality of Willard and Ambalavi mangoes in Jaffna. Books of Abstracts, International conference on agriculture, Food security and safety, 15 – 16 January, 2021. (Online)

  31. Arthika, J., Krishnapillai, N and Niranjan, K. (2022). Antimicrobial potential and architectural traits of underutilized medicinal plant Rivea ornata, Abstracts of the Third International conference on Agriculture, food security and food safety – Agrofood 2022, pp 12.
  32. Rajasiri, A.M.P., Krishnapillai, N and sathyaruban, S (2022). Antimicrobial potential of Avicinnea marina and Rhizophora mucronata against selected fungi and bacteria. Proceedings of the physics society, University of Jaffna, Vol. 2, !7th February, 2022. pp 2.

Full paper

  1. Postharvest changes in three varieties of mango as affected by pre & postharvest treatments, Tropical Agricultural Research, Vol. 8, No. 1, 1996. 315-326.
  2. Fruit quality of Karthacolomban, Ampalavi and Willard mangoes ( Mangifera indica L). in Jaffna, Sri Lanka. Acta horticulturae, vol 632, 2004. pp: 351-354 (www.ishs.org/)
  3. Medicinal value of Ginger (Zingiber officinale) in Jaffna (2005). A proceeding of WOCMAP 111: The third world congress on medicinal and aromatic plants. Ed. U.R.Palaniswamy, Z.E. Gardener, L.E.Craker., Acta Horticulturae, Vol. 680, March,2005. pp.83-86.
  4. Krishnapillai, N. and Wilson Wijeratnam, R.S. (2017).  Sap volatile components in relation to susceptibility of anthracnose and Aspergillus rot of mangoes (Mangifera indica L.). The Journal of Horticultural Science and Biotechnology. Vol. 92, No. 2, 206–213
  5. Krishnapillai, N. and Wilson Wijeratnam, R.S. (2016).  Morphometric analysis of mango varieties in Sri Lanka. Australian Journal of Crop Science, Vol. 10, No. 6, Jun 2016: 784-792.
  6. Krishnapillai, N. and Wilson Wijeratnam, R.S. (2016).  Sap burn injury management of mangoes (Mangifera indica L.) in Sri Lanka. Pak. J. Bot., 48(5): 2147-2152         

First Reports

  1. Krishnapillai, N. and  Wilson Wijeratnam, R.S. (2013). Aspergillus rot of ripe mangoes, Journal of the National Science Foundation of Sri Lanka .Vol 41, No 1 (2013) pp 69 -70.
  2. Krishnapillai N & Wilson Wijeratnam R.S, 2014. First Report of Colletotrichum asianum causing anthracnose on Willard mangoes in Sri Lanka. New Disease Reports 29, 1.     [http://dx.doi.org/10.5197/j.2044-0588.2014.029.001]
  3. Krishnapillai, N. and Wilson Wijeratnam, R.S. (2015). First Report of Neofusicoccum mediterraneum Causing Stem End Rot on Karuthakolumban Mangoes. Plant disease. Vol 99  (12). pp 1858

Books

Editor:

‘Practical guide for G.C.E (A/L) Biology teachers (Tamil), March, 2006
Published by department of botany, University of Jaffna. ISBN 978-955-9194-14-9

Author:

  1. Photosynthesis of C3 & C4 plants, in practical guide book for biology (Tamil) page 13-18 & i-x  published by Jaffna science Association in collaboration with Department of botany &  Department of Zoology, University of Jaffna. 2001
  2. Cell biology and Physiology. Practical guide for G.C.E (A/L) Biology teachers (Tamil), Published by department of botany, University of Jaffna.  March, 2006.pp 16-40. ISBN 978-955-9194-14-9
  3. Krishnapllai, N. (2018). Morphological and nutritional variability, sap composition and the response to some postharvest pathogens of mango (Mangifera indica L.) varieties in Jaffna. PGIS postgraduate research highlights, Published by PGIS, University of Peradeniya. pp 101-104

Travel Grant:

NSF Travel grant for the participation of the 26th international horticultural congress, Canada Aug 11-17, 2002,

Research grants:

National science Foundation: NSF grant No. RG/2009/AG/02 2009, Received  Equipments transferred  to the department

National Research Council:    NRC grant No. NRC/07/72        – 2010.    Equipments transferred  to the department

University grants – UGC/2015/07 2015 Equipment transferred to the department of Botany

Fellowship

Unesco Fellowship to participate Unesco
international training course on coastal biodiversity in mangrove ecosystems,
Annamalai university, India, 
31/05/2004-14/06/2004.

Secretary of Jaffna Science Association, Section A, Pure Science (2001).

Coordinator

  •  Training program for biology teachers held in the department of botany and Zoology -2002
  • Training program for biology teachers held in the department of Botany. 2006.
  • Activity coordinator for Research,  AHEAD Project, Faculty of Science 2019
  • Workshop on Quantitative Ecology with special reference to vegetation Jointly organized by Department of Botany, University of Jaffna and Department of Botany, University of Peradeniya, Peradeniya. 2019
  • Workshop on Quantitative Ecology with special reference to vegetation Jointly organized by Department of Botany, University of Jaffna and Department of Botany, University of Peradeniya, Peradeniya. December 2020
  • Workshop on strengthening collaborative research work for undergraduate students in the Department of Botany, jointly organized by Department of Botany, the University of Jaffna and Industrial Technology Institute, Colombo 7 under the AHEAD, ELTA ELSE, Faculty DP, Faculty of Science, University of Jaffna. November 2020
  •  

Resource person

  • Workshop on G.C.E.(A/L) Biology for new curriculum reforms held at the National Institute  of Education (NIE) on 12.08.2008.
  • Seminar for G.C.E (A/L) Biology Teachers Conducted by National Institute of Education (NIE) September,  2009.
  • Seminar for G.C.E (A/L) Biology Teachers Conducted by National Institute of Education, (NIE) August., 2010.
  • Biodiversity of different type of ecosystem in Jaffna.  (Lecture and field trip for A/L students). Organized by Field Work Centre, Thondaimanaru. 20/10/2013
  • Biodiversity of different type of ecosystem in Jaffna.  (Lecture and field trip for A/L students). Organized by Field Work  Centre, Thondaimanaru. 16/11/2013
  • Project for Creation of Awareness for the Government Teachers on Environment Education Introduced under the New Syllabus (2017 -2021), Three Day Residential Workshop  – 11, 12,13 July 2018 (Northern Province).
  • Project for Creation of Awareness for the Government Teachers on Environment Education Introduced under the New Syllabus (2017 -2021), Three Day Residential Workshop. July 2019 (Northern Province).
  • Workshop on Quantitative Ecology with special reference to vegetation Jointly organized by Department of Botany, University of Jaffna  and Department of Botany, University of Peradeniya, Peradeniya. 2019

  • Webinar: Impact by Covid-19 and Agriculture; held on 31/05/2020
    Topic: Mango cultivation, preharvest challenges and postharvest losses.

  • Webinar: “Mango Cultivation ” held on 20/09/2020
    Topic: Varieties of Mango available in Northern Srilanka

Chairperson

  • Chairperson of the technical sessions of the Jaffna Science Association, 2019.
  • Chairperson of the technical evaluation committee of the department of Botany for goods and works under AHEAD project, Faculty of Science, University of Jaffna. 2019, 2020

Reviewer

  • Plant Disease Published by The American Phytopathological Society.
  • Journal of food biochemistry published by  Wiley on line library
  • International journal of fruit science published by Taylor and Francis online

Life member of   

  • Sri Lanka Association for Mycology and plant Pathology 
  • Institute of Biology
  • Sri Lanka Association for the advancement of science.
  • National Agricultural Society of Sri Lanka.
  • Jaffna Science Association
  • Sri Lanka Women Federation for University Teachers

Member of

  • International Society for Horticultural Science
  • American Society for Horticultural Science

International member of

 The advisory board of National conference-cum-workshop on Scientific growing, socio-economic value and proper utilization of medicinal and aromatic plants for the welfare of the rural people, February 25-27, 2005 West Bengal, India

Participated International forums:

  • 26th international horticultural congress, Canada Aug 11-17, 2002,
  • 3rd world congress on medicinal & aromatic plants for human welfare ( WOCMAP iii), February, 3-7, 2003, Chaing Mai, Thailand.
  • Unu-Unesco international training course on coastal biodiversity in mangrove ecosystems, Annamalai university, India,  31/05/2004-14/06/2004.
  • National conference-cum-workshop on scientific growing, socio-economic value and proper utilization of medicinal and aromatic plants for the welfare of the rural people February 25- 27th , 2005, west Bengal, India.
  • Delivered a lecture in Hamdard university, New delhi, India.  titled “Cardiospermum microcarpum  as a medicinal plant” on 6th of march, 2005.
  • International symposium on Herbal medicine, Phytopharmaceuticals and other natural products, Organized by Institute of Chemistry, Ceylon, June 15- 17, 2005.
  • 10th anniversary international symposium of Sabaragamuwa university, Sri Lanka 4th – 8th July, 2006.
  • Sixteenth International Forestry and Environment Symposium, University of Sri Jayewardenepura, Sri Lanka, 2011.
  • Twentienth International Forestry and Environment Symposium, University of Sri Jayewardenepura, Sri Lanka, 2015.
  • Asian Symposium on Medicinal Plants, Spices and Other Natural Products XVI”, Colombo, 2018.
  • The International Conference on Agriculture, Food Security and Safety. Colombo. Sri Lanka. November 7-8t  h , 2019

Moderator:

JSA Wbjnar Series 1, Antidiabetic plants in Sri Lanka; 03rd March 2021