Department of Zoology

Prof.(Mrs) W.T.S.Dammini Premachandra

Senior Professor

B.Sc. (Ruhuna, SL)
M.Sc. (Hanover, Germany)
Ph.D. (Hanover, Germany)

Email - dammini@zoo.ruh.ac.lk

Animal diversity, Entomology, Nematology, Population Ecology, Animal Physiology, Principles of Pest Management

Entomology, Plant Nematology, Entomopathogenic nematology, Crop Protection

Published as Full papers ï¿½ Indexed journals

1. W.T.S. Dammini Premachandra, H. Mampitiyarchchi and Lemma Ebssa (2014). Nemato-toxic potential of Betel (Piper betle L.) (Piperaceae) leaf. Crop Protection 65, 1-5.

2. W.T.S.D. Premachandra., C. Borgemeister and H.-M. Poehling (2005). Effects of Neem and Spinosad on Ceratothripoides claratris (Shumsher) (Thysanoptera: Thripidae), an important vegetable pest in Thailand, under laboratory and greenhouse conditions. Journal of Economic Entomology 98: 438-448.

3. W.T.S.D. Premachandra, C. Borgemeister, E. Maiss, D. Knierim and H.-M. Poehling (2005). Ceratothripoides claratris, a new vector of a Ceratothripoides claratris, a new vector of a Capsicum chlorosis virus Isolate Infecting Tomato in Thailand. Phytopathology 95: 659-663.

4. Dammini W.T.S. Premachandra., Christian Borgemeister, Mamoudou Sï¿½tamou, Thomas Achilles and H.-M. Poehling (2005). Spatio-Temporal Distribution of Ceratothripoides claratris (Thysanoptera: Thripidae) on Tomatoes in Thailand. Environmental Entomology 34, 883-890.

5. W.T.S.D. Premachandra., C. Borgemeister., A. Chabi-Olaye and H.-M. Poehling. (2004). Influence of temperature on the development, reproduction and longevity of Ceratothripoides claratris (Thysanoptera: Thripidae) on tomatoes. Bulletin of Entomological Research 94, 377-384.

6. Premachandra, W.T.S.D., Borgemeister, C., Berndt, O., Ehlers, R.-U., and Poehling, H.-M. (2003). Combined releases of entomopathogenic nematodes and the predatory mite Hypoaspis aculeifer to control soil- dwelling stages of western flower thrips Frankliniella occidentalis. Biocontrol 48, 1-13.

7. Dammini W.T.S. Premachandra, Christian Borgemeister, Oliver Berndt, Ralf-Udo Ehlers and Hans-Michael Poehling (2003). Laboratory bioassays of virulence of entomopathogenic nematodes against soil-inhabiting stages of Frankliniella occidentalis Pergande (Thysanoptera: Thripidae). Nematology 5, 539-547.

Published as Full papers ï¿½ Non-indexed International/National journals

1. W.T.S. Dammini Premachandra, W.H.D.P.I.Damithri and Roy Neilson (2020). Effect of plant-derived organic amendments on Meloidogyne incognita infecting okra, Abelmoschus esculentus L. Accepted for publication in Archives of Phytopathology and Plant protection.

2. Dammini Premachandra, W.T.S. and Gowen, S. R. (2015). Influence of pre-plant densities of Meloidogyne incognita on growth and root infestation of spinach (Spinacia oleracea L.) (Amaranthaceae) ï¿½ an important dimension towards enhancing crop production. Future of Food: Journal on Food, Agriculture and Society 3, 17-25.

3. Jayasinghe, R.C., .Dammini Premachandra, W.T.S and Neilson, R. (2015). A study on Maruca vitrata infestation of Yard-long beans (Vigna unguiculata subspecies sesquipedalis). http://dx.doi.org/10.1016/j.heliyon.2015.e00014.

4. W.T.S. Dammini Premachandra, D.P.C. Senarath, M.P.K.S.K.de. Silva and B.S. Lalanthika Peiris (2012). A study on Phlebotomine sand flies (Diptera: Phlebotomidae) in Dickwella divisional secretariat division of southern Sri Lanka - an endemic focus for Cutaneuous Leishmaniasis. International Journal of Tropical Insect Science 32, 32-38.

5. Premachandra, W.T.S. Dammini and Borgemeister, Christian (2006). Infestation of Ceratothripoides claratris (Shumsher) (Thysanoptera: Thripidae) on selected food crops in Thailand. Ruhuna Journal.of Science, 1, 42-47.

6. M. P. De. Silva, D. Premachandra and S.R. Gowen (1996). Studies on the detachment of spores of Pasteuria penetrans attached to its host Meloidogyne javanica. Afro-Asian Journal of Nematology, 6, 110-113.

Published as Full papers ï¿½ Conferences/Symposiums

1. W.A.K. Thakshila, W.T.S. Dammini Premachandra and M.G.V. Wickramasinghe (2017). Effect of Capsicum frutescens L. (Solanaceae) aqueous pod extract against Aphis craccivora (Homoptera: Aphididae). Proceedings of International Symposium on Agriculture and Environment details, Faculty of Agriculture, University of Ruhuna, Matara, 2017, pp. 53-55.

2. K. J. Thalagala and W.T.S. Dammini Premachandra (2016). Effect of four plant-based soil amendments on root knot nematode species, Meloidogyne incognita, infesting tomato plants. Proceedings of International Symposium on Agriculture and Environment details, Faculty of Agriculture, University of Ruhuna, Matara, 2016, pp. 53-55.

3. W.T.S. Dammini Premachandra (2013). Soil-inhabiting nematodes in Sri Lanka. Proceedings of the First National Symposium on Soil biodiversity, Sri Lanka, 2013, pp. 15-18.

4. Premachandra, W.T.S. Dammini., Lasanthi, A.H.P., Deepananda, K.H.M.A. and Jayasinghe, R.C. (2007). Infestations of root-knot nematodes, Meloidogyne species, associated with selected vegetable crops in Matara District. Proceedings of Fourth Academic Sessions, University of Ruhuna, Matara, 2017, pp. 159-163.

5. W.T.S.D. Premachandra, A.H.P. Lasanthi, K.H.M.A. Deepananda and R.C. Jayasinghe (2006). A preliminary study on root-knot nematodes, Meloidogyne species and their bacterial hyper-parasite, Pasteuria penetrans associated with Spinach in Matara District. Proceedings of Third Academic Sessions, University of Ruhuna, Matara, 127-131.

6. Premachandra, W.T.S. Dammini and Borgemeister, Christian (2006). Infestation of Ceratothripoides claratris (Shumsher) (Thysanoptera: Thripidae) on selected food crops in Thailand. Ruhuna Journal.of Science, 1, 42-47.

7. Christian Borgemeister, Lemma Ebssa, Dammini Premachandra, Oliver Berndt, Ralf-Udo Ehlers and Hans-Micheal Poehling (2002). Biological control of soil-dwelling satges of Western Flower Thrips Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) by entomopathogenic nematodes and Hypoaspis spp. (Acari: Laelapidae). Integrated control in Protected Crops, Temperate Climate. IOBC/WPRS Bulletin, 25, 29-32.

8. Peter Baur, Klaus Huth, Monika Baalmann and Dammini Premachandra (2001). Long lasting effects of adjuvants on the wettability of plants after spraying. Sixth international symposium on adjuvants for agrochemicals ISAA 2001, 13-17 August, Amsterdam, The Netherlands.

Selected Abstracts ï¿½ Local/International

1. W.A.K. Thakshila., W.T.S. Dammini Premachandra amd M.G.V. Wickramasinghe (2019). Toxicity of aqueous leaf extract of Piper betle against Aphis craccivora. Proceedings of the 15th Academic sessions, University of Ruhuna, Matara, 6p.

2. Damithri, W.H.D.P.I., Senadhirathna, M.G.G.K., and Premachandra, W.T.S. Dammini (2018). A preliminary evaluation of potential predatory activity of Cyphoderus spp. (Collembola: Cyphoderidae) on root-knot nematode, Meloidogyne incognita. Proceedings of 5th Ruhuna International Science and Technology Conference, University of Ruhuna, Matara, Sri Lanka, 15th Feb. 2017. 42p.

3. W.T.S. Dammini Premachandra and H.P. Weeraratne (2016). Effect of initial inoculum densities of Meloidogyne incognita on growth performance and root infestation of tomato. Proceedings of the 14th Academic sessions, University of Ruhuna, Matara, 26p.

4. Thushangi, W.T.N., Dammini Premachandra, W.T.S. and Wickramasinghe, M.G.V. (2015). A preliminary study on Collembolans associated with three vegetable crops grown at selected locations in southern Sri Lanka. Proceedings of 2nd Ruhuna International Science and Technology Conference, University of Ruhuna, Matara, Sri Lanka, 22nd-23rd January 2015. 57p.

5. Mampitiyarchchi, H. and Premachandra, W.T.S. Dammini (2014). Effect of Aqueous Betel Leaf against Root-Knot Nematode Meloidogyne Incognita- As A Soil Drench. International Conference on Emerging Trends in Science and Technology, Kuala Lumpur, Malaysia, 15-16th March 2014, 5p.

6. Harshani, G.M P. Gajanayaka and Premachandra , W.T.S. Dammini (2014). .Thrips infesting flowers of cowpea, yard-long bean and mung bean at selected localities in Monaragala district of Sri Lanka. Proceedings of the 10th Science symposium, University of Ruhuna, Matara. 60p.

7. Premachandra, W.T.S.Dammini and W.G. Anoma Gamage (2013). Flower and pod-feeding Lepidopteran species on selected grain legumes in Hambanthota district. Proceedings of the 10th Academic sessions, University of Ruhuna, Matara, 71p.

8. Premachandra, W.T.S. Dammini. and Thalagala, K. J. (2011). A study on parasitoids of Daccine fruit flies in Matara and Hambanthota districts. Proceedings of the 8th Science symposium, University of Ruhuna, Matara. 9p.

9. Premachandra, W.T.S. Dammini. and Senarath, D.P.C. (2011). Root-knot nematode infestations on Chili (Capsicum annuum) at selected localities in Hambanthota district. Proceedings of the 31st annual sessions of Institute of Biology, Sri Lanka, 26p.

10. Premachandra, W.T.S. Dammini and Gunasekara, W.M.D.F. (2010). Root-knot nematodes (Meloidogyne spp.) infestations found in leafy-vegetables grown in Hambanthota region, Sri Lanka (2010). Abstracts, Third International symposium, Sabaragamua University, Sri Lanka, 40p.

(i) Presidential awards: 2010 for four publications

1. Dammini W.T.S. Premachandra., Christian Borgemeister, Mamoudou Setamou, Thomas Achilles and H.-M. Poehling (2005). Spatio-Temporal Distribution of Ceratothripoides claratris (Thysanoptera: Thripidae) on Tomatoes in Thailand. Environmental Entomology, 34 (4) 890.

4. W.T.S.D. Premachandra., C. Borgemeister., A. Chabi-Olaye and H.-M. Poehling. (2004). Influence of temperature on the development, reproduction and longevity of Ceratothripoides claratris (Thysanoptera: Thripidae) on tomatoes. Bulletin of Entomological Research 94, 377-384.

(ii) NRC merit award - 2014 - NRC Merit award for the publication. Nemato-toxic potential of Betel (Piper betle L.) (Piperaceae) leaf. Crop Protection 65, 1-5.

(iii) Best presentation awards

1. Best scientific paper in the oral session of the Faculty of Science, in the third academic sesions of University of Ruhuna held on 30th Jaunuary 2006.

2. Best scientific paper in the oral session of the Faculty of Science in the academic sesions of university of Ruhuna held on 29th Jaunuary 2007.

3. Best scientific paper in the oral session of the international conference in ï¿½Emerging trends in Scientific researchï¿½ held in Kuala Lumpur, Malaysia on 15th -16th March 2014.

4. Best scientific paper in the oral session of Science, Fisheries & Aquatic Sciences in the 17th academic sesions of University of Ruhuna held on 04th March 2020.

(iv) Fellowships

I was awarded the Commonwealth fellowship by the Commonwealth Commission of United Kingdom in 2013. Under this fellowship I was able to get three-month research training on ï¿½Soil Nematode identificationï¿½ at James Hutton Institute, Dundee, Scotland, UK.

Serve as a member of the editorial board of ;

1.Internatiional Journal of Tropical Insect Scienceï¿½ which is jointly

published by CABI, UK and ICEPE, Kenya, since 2006.

2.Ruhuna Science Journalï¿½ published by Faculty of Science, University of Ruhuna, Matara, Sri Lanka since 2013.

3.World journal of Agricultural researchï¿½ since 2014.

4. Rohana", University of Ruhuna.

Other work

1. Member of the Science faculty Quality assurance cell

2. Science faculty coordinator for Cultural center, University of Ruhuna

3. University coordinator for Sri Lanka Broadcasting corporation, Ruhunu Sevaya, Matara

4. Patron/Kala hawula, Faculty of Science

5. Senior Treasurer, Research circle

Prof.(Mrs) W.T.S.Dammini Premachandra

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