Dr. K.O.L.C. Karunanayake

Senior Lecturer (Grade I)


Botany
Faculty of Natural Sciences
Head of the Department
Contact:

Colombo Regional Center, 2nd floor, Science and Technology building

Office: 112881269, Ext: 269

E-mail: kokar@ou.ac.lk

B.Sc.(Botany Sp.) (University of Peradeniya, SL)

Ph.D (University of Peradeniya, SL)

Areas of Specialization:

Post harvest pathology

Research interests:

Plant pathology of fruits and vegetables, Post harvest technology of fresh produce, Microbiology

Affiliations:

NULL

Programme Coordination:

Coordinator – Diploma in Microbiology

Course Coordination:

Senior Coordinator BYU4303 – Principles of Microbiology, Plant Diversity BYU3500

Awards:
  • NRC Merit awardf ro research – 2012, 2015
  • Association of Commonwealth Universities Grant for Early Career Academics – 2014
Researches:
  • Kuruppuarachchi, K.A.J.M and Karunanayake, K.O.L.C. (2017). Characteristics of students and prior knowledge on ODL concepts as perceived by B.Sc. undergraduates at first registration: A case study from The Open University of Sri Lanka. Asian Association of Open Universities Journal 12 (01), 41-51.
  • Adikaram, N.K.B., Karunanayake, L.C., Sinniah, G.D., Abayasekara, C.L., Komala Vithanage, S. and Yakandawala, D.M.D. (2017). A review of the role for natural defences in the management of Colletotrichum rotting of ripe mangoes. Acta Horticulturae 1183, 229-232
  •  Karunanayake, L.C., Sinniah, G.D., Adikaram, N.K.B. and Abayasekara, C.L. (2017). How constitutive defences affect the development of postharvest anthracnose and stem-end rot in mango fruit. Acta Horticulturae 1183, 245-250.
  • Adikaram, N.K.B., Karunanayake, L.C., Sinniah, G.D., Abayasekara, C.L., Komala Vithanage, S. and Yakandawala, D.M.D. (2017). A review of the role for natural defences in the management of Colletotrichum rotting of ripe mangoes. Acta Horticulturae 1183, 229-232
  • Karunanayake, L.C., Sinniah, G.D., Adikaram, N.K.B. and Abayasekara, C.L. (2017). How constitutive defences affect the development of postharvest anthracnose and stem-end rot in mango fruit. Acta Horticulturae 1183, 245-250
  • Karunanayake, L.C., Sinniah, G.D., Adikaram, N.K.B. and Abayasekara, C.L. (2016). Alternatives to synthetic fungicides in controlling postharvest anthracnose and stem-end rot in mango. Acta Horticulturae 1144, 67. 453-459.
  • Adikaram, A., Karunanayake, C., Sinniah, G., Vithanage, I.K.and Yakandawala, D. (2015).
  • Fungal quiescence in fruit: an attempt to avoid toxic substances? Journal of           Mycopathological research 53 (1),  pp 1-7.
  • Karunanayake, K.O.L.C., Sinniah, G. D, Adikaram, N.K.B.,  Abayasekara, C.L. and Wijayasekara, D.S. (2015). Retention of latex at harvest enhanced mango (Mangifera indica L.) fruit resistance and reduced anthracnose and stem-end rot. Australasian Plant Pathology 44 (1), pp 113-119.
  • .Karunanayake, K. O. L. C., Sinniah,  G. D., Adikaram, N. K. B and Abayasekara, C. L (2014). Cultivar differences in antifungal activity and the resistance to postharvest anthracnose and stem-end rot in mango (Mangifera indica L.). Australasian Plant Pathology 43, pp 151-159.
  • Karunanayake, K. O. L. C., Sinniah,  G. D., Adikaram, N. K. B and Abayasekara,C. L (2013). Cultivar differences in antifungal activity and the resistance to postharvest anthracnose and stem-end rot in mango (Mangifera indica L.). Australasian Plant Pathology. 43 151-159.
  • Karunanayake, L.C.,  Adikaram, N.K.B., Kumarihamy, B.M.M,  Bandara, B.M.R. and Abayasekara C.L. (2011). Role of antifungal gallotannins, resorcinols and chitinases in the constitutive defence of immature mango (Mangifera indica L) against Colletotrichum gloeosporioides. (2011). Journal of Phytopathology. 159 657-664.

Book Chapters (International)

  • Adikaram, N.K.B. and Karunanayake, L.C (2016). Natural antifungal systems in fruits and their utilization in the management of postharvest diseases. In Perspectives of Plant pathology in Genomic era. P. Chowdappa, P. Sharma, D. Singh and A.K. Misra. Today and Tomorrow printers and publishers, New Delhi, India. 469-487. ISBN 9788170195269.

 

  • Adikaram, N.K.B, Karunanayake, L.C. and Abayasekara, C.L. (2010). The role of pre-formed antifungal substances in the resistance of fruits to postharvest pathogens. In, Plant pathology in the 21st century. D. Prusky and M.D Gullino (Eds). Springer Netherlands

 

Published Abstracts – International

  • Karunanayake, L.C.,  Sinniah, G.D., Adikaram, N.K.B., Wijayasekara, D.S. and Abayasekara, C.L. (2015). Alternatives to synthetic fungicides in controlling postharvest anthracnose and stem-end rot in mango. Proceedings of Poster presented in the III international symposium on Postharvest Pathology. Bari, Italy 7-11 June, 2015. pp 189.

 

  • Karunanayake, L.C.,  Sinniah, G.D., Adikaram, N.K.B. and Abayasekara, C.L. (2015).How constitutive defences affect development of postharvest anthracnose and stem-end rot in mango fruit. Proceedings of oral presentation in the XI international mango symposium, Darwin Australia 28- September- 02 October, 2015. pp 40-41

 

  • Hettiarachchi, D.K. and Karunanayake, K.O.L.C. (2013). Potential of maintaining rural tanks and the diversity of aquatic plants through sustainable utilization – A case study in Anuradhapura. (Abstract) International conference on conserving biodiversity for sustainable development. Odisha, India, 16-18th August.

 

  • Hettiarachchi, D.K. and Karunanayake, K.O.L.C. (2013). Potential of maintaining rural tanks and the diversity of aquatic plants through sustainable utilization – A case study in Anuradhapura. (Abstract) International conference on conserving biodiversity for sustainable development. Odisha, India, 16-18th August.
  • Anushika Herath, P.H.M., Karunanayake, L.C and Wijesundara, S.J. A survey on status of traditional knowledge associated with Medicinal plants in Mihintale sanctuary, Sri Lanka.  Abstract in Biodiversity Asia, book of abstracts.  The 2nd Asian Regional Conference of Society for Conservation Biology Bangalore, India, 10th August, 2012.
  • Thushari, P.G.I, Karunanayake, L.C. and Ranwala, S. Invasive plants in Mihintale Sanctuary. A preliminary study. Poster presentation. Abstract in Biodiversity Asia, book of abstracts. The 2nd Asian Regional Conference of Society for Conservation Biology  Bangalore,India, 10th August, 2012.
  • Nimal Adikaram, Ganga Sinniah, Chathurika Karunanayake and Charmalie Abayasekara (2011). Role of constitutive and induced defences in the resistance of unripe mangoes to Colletotrichum gloeosporioides. 4th Asian Conference of Plant Pathology concurrent with the 18th Biennial Australasian Plant Pathology Society Conference, 26-29 April 2011, Darwin, NT, Australia p51 (Abstract).
  • N. Adikaram, C. Karunanayake and C. Abayasekara (2008). Role of pre-formed antifungal substances in the resistance of fruit to postharvest pathogens. Abstract of Invited and Offered Papers. ICPP 2008, 9th International congress on Plant pathology, Torino Itally. 24-29, August, 2008.
  • Karunanayake, C., Adikaram, N.K.B., Abayasekara, C. and Ratnayake Bandara, B.M. (2007). Constitutive defences in unripe mango fruit and their role in fruit resistance.  Extended Abstract. Proceedings in the third Asian Conference on Plant Pathology, Yogyakarta, Indonesia. 263-264.

Published Abstracts – Local

  • Kulasinghe, A., Karunanayake, K.O.L.C. and Somaratna, S. (2017). Use of essential oils to control Stem-end rot of Mango cv “ Karuthacolomban’ RESCON 2017, PGIS, University of Peradeniya. 8,9th September, 2017
  • Hettiarachchi, D.K. and Karunanayake, K.O.L.C. (2014). Diversity and utilization of aquatic plants in three tanks in the Anuradhapura district, Sri Lanka. Peradeniya University international research sessions on 4-5th July, 2014. Faculty of Science, University of Peradeniya, Sri Lanka.
  • Thushari, P.G.I and Karunanayake, L.C. Invasive aquatic plants in Mihintale sanctuary: A Preliminary study. Abstract in, Proceedings of the Water quality and human health, international symposium, PGIS, University of peradeniya on 22nd, 23rd March, 2012.
  • Karunanayake, L.C and Adikaram, N.K.B. (2011). Reducing postharvest diseases of mango fruit using natural defence mechanisms. Proceedings of the Annual Academic Research sessions, OUSL  266-270 (extended abstract).
  • Karunanayake, L.C.,  Adikaram, N.K.B., and  C.L. Abayasekera (2009). A Comparative Study on the Differential Susceptibility of  Mangifera indica and Mangifera zeylanica  to Common Postharvest Diseases. Paper presented at the 2 nd Annual Session, Rajarata University of Sri Lanka.
  • Herath A., Karunanayake C. & Wijesundara S. (2009). Diversity of medicinal plants in Mihintale sanctuary. In: Proceedings of the 14th International Forestry and Environment Symposium, University of Sri Jayawardenepura, Nugegoda, p. 51.
  • Karunanayake, C., Sinnaiah, G. D. Adikaram, N.K.B. Abayasekara, C. and Ratnayake Bandara, B.M. (2006). Defence strategies in unripe mangoes in relation to development of Postharvest fungal pathogens. Proceedings and abstracts of the Peradeniya University research sessions. Vol 11, Pp126
  • Presented a poster at the poster presentation held at the PGIS, University of Peradeniya (2006).  Title -The role of galloyl tannin antifungal compounds in differencial resistance of local mango cultivars to anthracnose- K.O.L.C Karunanayake, N.K.B. Adikaram, C.L. Abayasekara and B.M.R. Bandara.
  • Karunanayake, L.C., Adikaram, N.K.B. and Abayasekara,C.L. (2005). Induced defence responses in unripe mango fruit following colletotrichum gloeosporioides infection and treatment with chemical elicitors.  Proceedings and abstracts of the Peradeniya university research sessions. Vol 10, Pp103.
  • Karunanayake, L.C., Kumarihamy, B.M.M, Adikaram, N.K.B. and Jayasinghe, L. (2004). Resistance of immature mango fruits to anthracnose and stem-end rot. Proceedings and abstracts of the Peradeniya university research sessions. Vol 9, Pp120.
  • Karunanayake, L.C. and Karunaratne, A.M (2002). Some Agro-chemical free Treatments to   Control Bacterial Soft Rot of Carrot. Proceedings and abstracts of the Peradeniya university research sessions. Vol 7, Pp114.

 

 

Ongoing Research:

In cooperation of essential oils to edible fruit coatings to enhance quality and reduce disease development

in Mango- Faculty Research grant 2018.

 

 

The Open University of Sri Lanka
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