Facebook Youtube Linkedin Whatsapp Instagram

Ms. Y.A.S.Samithri

M.Phil. (University of Peradeniya, SL), B.Sc. (University of Peradeniya, SL), Dip. in HRM and OB in American College of Higher Education

Senior Lecturer (Grade II)

  • Regional Centre, The Open University of Sri Lanka, Nupe, Matara
  • +94412222943
  • yasam@ou.ac.lk

Plant Ecology

Plant Ecology, plant pathology, Microbiology, Post-harvest Technology.

13 years as a teacher, Department of Botany, Faculty of Natural Science, The Open University of Sri Lanka.

Undergraduate- B.Sc. Degree
· BYU3301-Organization of cells and plant biochemistry (DS + Practical)
· BYU3500-Diversity of plants (DS + Practical)
· BYU4301-Genetics and evolution (DS + Practical)
· BYU4302-Systematics of higher plants and animals (DS + Practical)
· BYU5302-Plant growth and development (DS)
· BYU5304-Soil and plant growth
· BYU5308-Post harvest technology of fresh produce (DS)
· BYU5609-Horticulture (DS + Practical)
Course coordination:
· BYU5318 –Environmental Studies (Co-Coordinator)

Teaching at Diploma level
Diploma in microbiology
· Laboratory management and quality assurance

Short courses (teaching)
· Short course in soilless agricultural technology for urban gardening

Ongoing research

  •     Effect of organic and inorganic fertilizers on seedling germination and growth performances of Solanum melongina (verity ‘Lena iri”).
  •         Antibacterial activity of Codium fragile, Gracillaria corticata and Hypnea pannosa against some opportunistic human pathogenic bacteria. 

·         Geographical mapping of Phyllanthus maderaspatensis in different locations of Sri Lanka and comparison of phytochemical composition of anti-hypercholesterolemic methanolic fractions.

Fernando, D. R., H. A. S. Weerasinghe, D. S. A. Wijesundera, G. W. A. R. Fernando, A. E. Fernando, M. C.M. Iqbal, C. H. Miranda, J. M. Gosse, Y. A. S. Samithri, and N. Rajakaruna (2021). Plant-Soil Relations of Ultramafic Outcrops in Sri Lanka: A Reassessment. Poster presentation at the 10th International Conference on Serpentine Ecology, Ekaterinburg, Russia. June 21-30.

  • Samithri, Y. A. S., Karunanayake, K. O. L. C., & Kulasinghe, A. A. (2020). In vitro study of selected essential oils against Colletotrichum sp. and Lasiodiplodia sp. causing postharvest diseases in papaya. Ceylon Journal of Science, 49(5), 389–396.
  •  Daulagala, P. W. H. K. P., Marasinghe, L. D. K. & Samithri, Y. A. S. (2021) Analysis of Physicochemical and Bacteriological Parameters of Raw and Treated Water of Roseneath Water Purification Plant in Dunumadalawa Forest Reserve in Kandy, Sri Lanka. Asian Journal of Research in Botany, 6(3): 42-50
  •     Samithri, Y.A.S,  Gunatilleke, I. A.U.N. and Sarawana Kumar, P. (2006). Effect of water stress on the growth of  some rice varieties.  Postgraduate Institute of Science (PGIS) congress, University of Peradeniya, 143p.
  •         Samithri, Y. A. S., Wijesundara, D. S. A. and Iqbal,M. C. M. (2007). “A Preliminary Study of the Ussangoda Serpentine Flora” International Forestry and Environmental Symposium, SL. p29-30.
  •         Samithri, Y. A. S., Wijesundara, D. S. A. and Iqbal, M. C. M. (2008) “Floral diversity and conservation of the Ussangoda serpentine site in Sri Lanka” Sixth International Conference on Serpentine Ecology at the College of Atlantic, p22–23.
  •         Samithri, Y. A. S., Wijesundara, D. S. A. and Iqbal M. C. M. (2008). “ Morphological and physiological adaptations on a serpentine ecosystem in Ussangoda, Sri Lanka” Annual Meeting and AGM, Imperial College, UK, p39.
  •         Samithri, Y.A.S., Wijesundara, D, S, A. , Iqbal, M. C. M. and Perera, G.A.D. (2015). “Species diversity and abundance in the vegetation of serpentine site at Ussangoda, Sri Lanka.  Postgraduate Institute of Science (PGIS) congress, University of Peradeniya, 10p.
  •         Samithri, Y.A.S., Karunanayake, K.O.L.C. & Kulasinghe, A.A. (2018). Effect of selected essential oils on reducing post harvest diseases in Papaya (Carica papaya L.) fruit. South Asia Conference on Multidisciplinary Research, Colombo, Sri Lanka.TIRDI, Hokandara, 23.
  •         Kulasinghe, A.A., Samithri, Y.A.S. and Karunayake, K.O.L.C., (2019). Effect of some selected essential oils against Colletotrichum sp. and Lasiodiplodia sp. causing postharvest diseases in papaya and mango: A preliminary study. Proceedings of the first national symposium of Sri Lanka association for mycology and plant pathology (SLAMPP). Oak Ray Regency, Kandy.30th August 2019. P (35).
  •  Madushani, K.G.P.,  Samithri, Y.A.S. and Daulagala, P.W.H.K.P. (2022). Effect of organic and inorganic sources of fertilizer on seed germination of Solanum melongena var “Lena iri”. International Conference on Applied and Pure Sciences (ICAPS), Faculty of Science, University of Kelaniya, Sri Lanka. 14th October 2022.

 University award for academic excellence- 2006 (Faculty of Science, University of Peradeniya, Sri Lanka)

  • Life member of Sri Lanka association for mycology and plant pathology (SLAMPP)
  • Life member of Institute of Biology Sri Lanka (IOBSL)
  • Life member Sri Lanka Association for the Advancement of Science (SLAAS)

Home

Programmes

Search

Students

Prospective Students

  • FAQs - Local Students
  • FAQs -International Students
  • Examination Results
  • Research
  • International Relations
  • Career Guidance
  • Foundation Academic Unit
  • Consultancy
  • Counselling Unit
  • Partnerships
  • Divisions

Search links

Links

Get Connected

Linkedin Facebook-f Whatsapp Instagram