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DR SIVAGURU  MAHENDRAN

S. Mahendran

Dr Sivaguru Mahendran
B.Sc Agric. (UAS, Bangalore, India), M.Sc (UJ, SL), M.Sc (Reading, UK), Ph.D (UPDN, SL)
Senior Lecturer Grade 1
On sabbatical leave (01.07.2019 – 28.02.2021)


Department of Agricultural Biology,
Faculty of Agriculture
Eastern University, Chenkalady (E.P).

Phone: +94 65 2241262
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Date of Birth : 07.04.1957

Nationality : Sri Lankan

Civil Status : Married

Telephone : 077 6176718 (Mobile)
: 065 – 2240490 Ext. 306 (Office)

Current Employment

Senior Lecturer Grade I
Department of Agricultural Biology
Eastern University, Sri Lanka.
06th September 2010 – to date.

Previous Employment
Senior Lecturer Grade II
Department of Agricultural Biology
Eastern University, Sri Lanka.
06th September 2005 – 05th September 2010

Lecturer (Confirmed)
Department of Agricultural Biology,
Faculty of Agriculture, Eastern University.
1996 – 05th September 2005

Lecturer (Confirmed)
Department of Agricultural Biology,
Faculty of Agriculture, University of Jaffna,
1993 – 1995

Academic Qualifications
B.Sc (Agriculture) 1979 - 1983
University of Agricultural Sciences, Bangalore, India.
FIRST CLASS (Hons.)

M.Sc (Plant Physiology and Horticulture) 1990
University of Jaffna, Sri Lanka.

M.Sc (Agricultural Extension) 1991
University of Reading, UK.

Ph.D (Plant Physiology) - 2005
Postgraduate Institute of Agriculture,
University of Peradeniya, Peradeniya

  1. Kandiah, S. and Mahendran, S. (1986). New method of culturing Palmyrah (Borassus flabellifer L.) seedlings. Vignanam Journal of Science.1: 40 - 43.
  2. Mahendran, S. (1994). The activities of the Palmyrah Development Board and some aspects of Agronomic research and development needs of the organization. Journal of the National Science Council of Sri Lanka. 22: S47 – S53.
  3. Mahendran, S. and Kandiah, S. (1999). Effect of seed source and seed size on tubers of Palmyrah (Borassus flabellifer L.) palm. AGRIEAST 1 (1): 26 - 33.
  4. Mahendran, S. and Bandara, D.C. (2000). Effects of soil moisture stress at different growth stages on vitamin C, capsaicin and β-carotene contents of chilli (Capsicum annuum L.) var. ‘Arunalu’ fruits and their impact on yield. Tropical Agricultural Research 12: 95 - 106.
  5. Mahendran, S., Bandara, D.C. and De Costa, W. A. J. M. (2000). Effects of soil moisture stress at selected stages of growth on the Net Photosynthetic Rate and Stomatal Resistance and their impact on the yield of chilli (Capsicum annuum L.). Tropical Agricultural Research 12: 107 - 118.
  6. Mahendran, S. and Bandara, D. C. (2001) A comparative analysis of moisture stress effects at selected growth stages on physiological parameters of green house and field grown chilli (Capsicum annuum L.). AGRIEAST. 3: 34 – 44.
  7. Mahendran, S. and Bandara, D. C. (2006). Effects of soil moisture deficit stress on stomatal resistance, transpiration rate and yield of chilli (Capsicum annuum L.) cv. Arunalu. Proc. of the Fifth Annual Research Session, Eastern University, Sri Lanka. 113 - 122.
  8. Srikrishnah, S. and Mahendran, S. (2007 a). Moisture stress effects on the relative water content, stomatal resistance, transpiration rate and yield of Mung bean. Proc. of the Sixth Annual Research Session, Trincomalee Campus, Eastern University, Sri Lanka. 18th–19th October 2007. 53 – 65.
  9. Mahendran, S. (2008). Effects of water deficit stress on selected Physiological and Biochemical characteristics of chilli (Capsicum annuum L.) var. ‘Arunalu’ which determine the yield. Journal of Agricultural Sciences, AGRIEAST. 7: 63–64.
  10. Vijitha, N. and Mahendran, S. (2008 b). Effects of soil moisture stress on free proline and chlorophyll contents in tomato (Lycopersicon esculentum Mill). Proc. of the Seventh Annual Research Session, Eastern University. 10th–11th December 2008. 31 – 41.
  11. Mahendran, S. and Srikrishnah, S. (2008). After-effects of moisture stress on stomatal resistnce and transpiration of Mungbean (Vigna radiata L.) at different growth stages. Proceedings of the Seventh Annual Research Session, Eastern University. 10th–11th December 2008. 62-71.
  12. Nooriya, C., Mahendran, S. and Vijitha, N. (2008). Performance of onion (Allium cepa L.) under different growing methods. Proc. of the Seventh Annual Research Session, 10th–11th December 2008, Eastern University, Sri Lanka. 123–128.
  13. Srikrishnah, S. and Mahendran, S. (2008). Effects of moisture stress on the leaf area index and root length density of Mungbean (Vigna radiata (L.) at different growth stages. AGRIEAST. 7: 59–62.
  14. Muhaijeer, M. M., Srikrishnah, S. and Mahendran, S. (2008). A comparative study on the field performance of selected Cowpea (Vigna unguiculata) cultivars in the Sandy Regosols of Batticaloa district. Journal of Science, 5: 105–109.
  15. Lavaniya, S., Vijitha, N., Mahendran, S. and Premanantharajah, P. (2009). Studies on the physical properties of coir pith compost and traditional compost. Proc. of the Eighth Annual Research Session, 17th–18th December 2009, Eastern University, Sri Lanka. 80–83.
  16. Vijitha, N. and Mahendran, S. (2010). Effect of moisture stress at different growth stages of tomato plant (Lycopersicon esculentum Mill) on yield and quality of fruits. Journal of Science, University of Kelaniya. 1–11.
  17. Mahendran, S. and Jeyapraba, J. (2014). The Effects of Salt Stress on the Growth Physiology of Selected Okra (Abelmoschus Esculentus L.) Cultivars. Proceedings of the Fourth International Symposium, South Eastern University of Sri Lanka. 2nd - 3rd August 2014. 404 – 408.
  18. Jeyapraba, J., Mahendran, S. and Suganiya, S. (2014). Impact of salt stress on the growth physiological attributes of selected okra (Abelmoschus esculentus L.) cultivars in the sandy regosols. Proceedings of the Jaffna University International Research Conference. 18th – 19th December 2014: 14-18.
  19. Prasannath, K., Prasannath, V. and Mahendran, S. (2015). Trends in Use and Import of Agricultural Synthetic Pesticides in Sri Lanka. Proceedings of the National Symposium on Agriculture. 5th August 2015: 8-10.
  20. Jeyapraba, J., Mahendran, S. and Sujirtha, N. (2015). Leaf water content and biochemical parameters as affected by salinity and their impacts on yield of selected okra (Abelmoschus esculentus L.) cultivars. International Journal of Multidisciplinary Research and Development. 2(11): 397-401.
  21.  Mahendran, S. and Sujirtha, N. (2015). The growth responses of selected tomato (Solanum esculentum. Mill) cultivars to sea water salinity. International Journal of Innovative Research in Science, Engineering and Technology. 4(9): 8364-Mahendran, S. and Sujirtha, N. (2016). Effects of soil moisture stress on the nitrate reductase activity of selected chilli (Capsicum annum L.) cultivars during the flowering stage and the impact on yield. International Symposium on the Agriculture and Environment, Faculty of Agriculture, University of Ruhuna, Matara, Sri Lanka. 13th January 2016. 17-19.
  22. Jeyapraba, J., Mahendran, S. and Sujirtha, N. (2016). Growth physiology and membrane permeability of okra (Abelmoschus esculentus L.) seedlings as affected by salinity. International Journal of Plant and Soil Science. 9(5): 1-5.
  23. Palugaswewa, P.S., Krishnarajah, S.A., Mahendran,S. and Puvanitha,S. (2016) Effect of Benzyl Amino Purine on the Lateral Shoot Formation of Cordyline (Cordyline fruticosa) Shoots. International Conference on Dry Zone Agriculture. (2) 15th and 16th December 2016. Faculty of Agriculture University of Jaffna Sri Lanka.P. 45
  24. Mahendran,S. and Sujirtha,N. (2017). Effects of Salt Stress on the Growth and Yield of Selected Tomato (Solanum Lycopersicon Mill.) Cultivars in the Sandy Regosol Soil. International Symposium on Agriculture and Environment. 19th January 2017 Faculty of Agriculture, University of Ruhuna, Sri Lanaka 7-10
  25. Mahendran,S. and Sujirtha,N. (2017). Effects of NaCl Induced Salinity on the Growth and Yield of Selected Rice (Oryza sativa L.) Cultivars. International Symposium on Agriculture and Environment. 19th January 2017 Faculty of Agriculture, University of Ruhuna, Sri Lanaka. 11-13
  26. Mahendran. S. (1992). Strategies adapted to increase women participation in the Palmyrah (Borassus flabellifer L.) industry in the North and East of Sri Lanka. A paper presented at the seminar on “New Development in the Exploitation of Palmyrah in Sri Lanka”. organized by the UNDP and Palmyrah Development Board on the 15th August 1992.
  27. Mahendran, S. (2003). Germination and tuberization of Palmyrah (Borassus flabellifer L.) seeds as affected by the presence of fruit pulp. A paper presented at the research seminar on Palmyrah palm and its products for the Silver Jubilee celebration of the Palmyrah Development Board, Sri Lanka. 17th–18th August 2003.
  28. Mahendran, S. (1999). Effect of fruit pulp on viability of Palmyrah (Borassus flabellifer L.) seeds. Sri Lanka Association for the Advancement of Science. Proc. of the 55th Annual Research Session. 29th Nov.- 3rd Dec. 1999, 85-86.
  29. Mahendran, S. (2000). Tuberization and root initiation of Palmyrah (Borassus flabellifer L.) as influenced by the bedding media and added nutrients. Sri Lanka Association for the Advancement of Science. Proc. of the 56th Annual Research Session. 27th Nov.– 01st Dec. 2000. 55.
  30. Inpadevy, S. and Mahendran, S. (2003). The Effects of Soil Moisture Stress on the Leaf Area and Yield of Maize var. ‘Ruvan” at different growth stages. Sri Lanka Association for the Advancement of Science. Proc. of the 59th Annual Research Session. 9th–13th December 2003.
  31. Srikrishnah, S. and Mahendran, S. (2007 b). The effects of soil moisture stress on the leaf water potential and yield of Mungbean var. MI – 6 at different growth stages. Sri Lanka Association for the Advancement of Science. Proc. of the 63rd Annual Research Session, 3rd – 8th December 2007. 41.
  32. Vijitha, N. and Mahendran, S. (2008 a). Effects of soil moisture stress on the internal quality and yield of tomato (Lycopersicon esculentum Mill). Sri Lanka Association for the Advancement of Science. Proc. of the 64th Annual Research Session. 1st–5th December 2008. 47,.
  33. Muraleeswaran, S., Vijitha, N. and Mahendran, S. (2008). Studies on the influence of moisture stress on certain agronomic parameters of tomato (Lycopersicon esculentum Mill). Proc. of the First National Symposium, Faculty of Agriculture, University of Ruhuna, Sri Lanka. 23rd–24th October 2008. 9.
  34. Lavaniya, S., Mahendran, S. and Vijitha, N. (2010). Physiological responses on moisture stress by tomato (Lycopersicon esculentum Mill). grown in sandy Regosols. Third International Symposium, Sabaragamuwa University, Belihuloya. 26th–28th August 2010. 34.
  35. Lavaniya, S., Vijitha, N and Mahendran, S. (2010). Value addition of coir pith by composing: A comparison between coir pith compost and traditional compost. National Research Symposium, Uwa Wellassa University, 16th–17th September 2010. 169.
  36. Lavaniya, S., Vijitha, N and Mahendran, S. (2010). Effects of different nutrient management system with selected fertilizer on the performance of red onion (Allium cepa L.) in Batticaloa district. Annual Research Conference, University of Jaffna, Sri Lanka. 15th November 2010. 6.
  37. Lavaniya, S., Vijitha, N and Mahendran, S. (2011). Productive performance of Tomato (Lycopersicon esculentum. Mill) treated with coir pith based compost. First International Symposium, South Eastern University of Sri Lanka. 19th – 21st April 2011. 54.
  38. Prasannath, K., Karunakaran, S. and Mahendran, S. (2011). Efficacy of selected plant extracts in the control of Fusarium oxysporum f. sp. capsici inciting chilli wilt. Proceedings of the 67th Annual Sessions. Sri Lanka Association for Advancement of Science. 5th - 9th Dec. 2011. 123.
  39. Mahendran, S. (2011). Comparison of physiological responses of moisture stress in selected cowpea (Vigna unguiculata L. Walp) cultivars during the flowering stage. Proc. of the Tenth Annual Research Session, Eastern University, Sri Lanka. 10.
  40. Kokulavasan, T. and Mahendran, S. (2011). Evaluating moisture stress tolerance of selected cowpea (Vigna unguiculata L. Walp) cultivars based on the agronomic parameters. Proc. of the Tenth Annual Research Session, Eastern University, Sri Lanka. 15.
  41. Prasannath, K., Karunakaran, S. and Mahendran, S. (2011). Control of Fusarium wilt of chilli (Capsicum annuum L.) by crude plant extracts. Proc. of the Tenth Annual Research Session, Eastern University, Sri Lanka. 44.
  42. Mahendran, S., Thanuejah, S. and Elilnila, V. (2012). Leaf Growth Ratio, Relative Growth Rate and Plant Dry Weight as affected by salt stress on selected Rice cultivars (Oryza sativa) at the seedling stage. Proc. of the International Research Symposium of the Gampaha Wickramarachchi Ayurveda Institute, University of Kelaniya. 7 th – 9 th November 2012. 65.
  43. Mahendran, S. (2013) A Comparative Study of the Proline Content due to moisture stress at the flowering stage of selected Chilli (Capsicum annuum L.) cultivars and its impact on yield. 4th International Symposium of the Sabaragamuwa University of Sri Lanka. 11th – 12th January 2013. 18.
  44. Mahendran, S. (2013). A Comparative Study on the Physiological Consequences of Short Moisture Stress in Selected Tomato Cultivars during the Flowering Stage. Second International Conference of the Eastern University, Sri Lanka. 12th – 13th September 2013. 10.
  45. Prasannath, K. and Mahendran, S. (2013). Efficacy of botanicals in the control of Cowpea pests. Second International Conference of the Eastern University, Sri Lanka. 12th – 13th September 2013. 15.
  46. Elilnila, V., Mahendran, S. and Thanuejah, S. (2013). Assessing the salt tolerance of Selected Rice Cultivars (Oryza sativa L.) during the seedling stage. Second Annual Science Research Sessions. Faculty of Applied Sciences, South Eastern University of Sri Lanka. 3rd December 2013. 07.
  47. Dias, P. A., Mahendran, S. and Suganiya, S. (2014). Effects of Artificial defoliation during reproductive stage on subsequent growth and yield of okra (Abelmoschus eculentus L.). Third International Conference of the Eastern University, Sri Lanka. 4th - 5th December 2014. 4.
  48. Mahendran, S., Jeyapraba, J. and Suganiya, S. (2015). Effects of salt stress on growth physiology and membrane permeability of okra (Abelmoschus esculentus L.) seedlings. Proceedings of the Eleventh Annual Research Session, Eastern University, Sri Lanka. 12th February 2015. 24.
  49. Prasannath, K., Prasannath, V. and Mahendran, S. (2015). Trends in Use and Import of Agricultural Synthetic Pesticides in Sri Lanka. Proceedings of the National Symposium on Agriculture-2015. 5th August 2015, 8-10.
  50. Jeyapraba, J., Mahendran, S. and Sujirtha, N. (2015) Effects of salt stress on the relative water content, biochemical parameters and the yield of selected okra (Abelmoschus esculentus L.) cultivar. Proceedings of the Twelfth Annual Research Session, Eastern University, Sri Lanka. 01st December 2015. 32.
  51. Mahendran, S. and Sujirtha, N. (2016). Effects of Soil Moisture Deficit Stress on the Free Proline and Chlorophyll a contents of Selected Tomato (Solanum esculentum Mill). Cultivars in the Sandy Regosols. Proceedings of the Third International Science and Technology Conference, Faculty of Science, University of Ruhuna. 28th January 2016. 08.
  52. Mahendran, S. and Sujirtha, N. (2016). Effects of soil moisture stress on the Indole-3-Acetic Acid (IAA) Oxidase activity of selected chilli (Capsicum annum L.) cultivars during the flowering stage and the impact on yield. Proceedings of the Third International Science and Technology Conference, Faculty of Science, University of Ruhuna. 28th January 2016. 41
  53. Puvanitha, S., Mahendran, S. and Sujirtha, N. (2016). Effects of Salinityon the Growth and Yield of Selected Rice (Oryza sativa) Cultivars at Different growth Stages. Proceedings of the Sixth Research Symposium of the Uva Wellassa University. 28th–29th January 2016. 71.
  54. Puvanitha, S. and Mahendran, S. (2016). Effect of salt stress on Relative water and Chlorophyll content in selected varieties of rice (Oryza sativa L.). Proceedings of the 4th International Conference, Eastern University, Sri Lanka. 10th-11th March 2016. 09.
  55. Puvanitha, S. and Mahendran, S. (2016). Yield and Yield Components of Selected Rice (Oryza sativa L.) Cultivars as Affected by Salinity. A research paper accepted for presentation in the 9th International Research Conference of the General Sir John Kotelawala Defence University (KDU), Sri Lanka. 8th – 9th September 2016. 212.
  56. Rathnayaka, R.M.N.N., Mahendran, S., Iqbal, Y. B. and Rifnas, L. M. (2018). Influence of Urea and Nano-Nitrogen fertilizers on the Growth and Yield of Rice (Oryza sativa L.) Cultivar Bg 250. International Journal of Research Publications
  57. Puvanitha, S., Mahendran, S. (2018). Evaluation of Salt Tolerant Capacity of Selected Three Rice Cultivars by Physiological Characters. International Journal of Research Publications
  58. Rifnas, L.M., Mahendran, S. and Iqbal, Y. B. (2018). Yield and Yield Attributes of Rice Cultivar ‘Bg 250’ as Affected by the Chemical and Bio-Fertilizers. International Journal of Research Publications

1. Investigations on the feasibility of using hydroponics for horticultural and medicinal crops.
2. Comparing the effects of coir-pitch compost along with locally used fertilizers on the growth and yield of onion (Allium cepa L.).
3. Efficiency of organic fertilizers in the growth and yield of tomato and chilli.
4. Investigations on the effects of environmental influence on physiological parameters of horticultural plants of export significance.
5. Investigations on source-sink relationships of plant species of agricultural, horticultural and economic importance.

 

From the period 1993 I am conducting lectures and practical classes in Botany of Economic Crops, Plant Physiology, Career Development and Scientific Writing and Advanced courses in Plant Water Relations , Advanced Plant Physiology and Stress Physiology for the Internal and External degree Students.
In addition, I have conducted lecturers and Practical Classes in “Organic Agriculture;” for the Diploma Programmes conducted by the Faculty of Agriculture, Eastern University.

1990 – 1991: A Scholarship offered by the Overseas Development Agency and British Council to pursue an M.Sc programme at the University of Reading, UK.

1. Head / Dept. of Agric. Biology (3rd Dec. 2007 – 2nd Dec. 2010)
2. Director / CENSARM (2nd May 2005–1st May 2008)
3. Academic Advisor / Faculty of Agriculture (Oct 2009 – to date)
4. Associate Editor / AGRIEAST (Jan. 2005 – Oct. 2006)
5. Student Counselor (10th January 2003 – 17th June 2007)
6. Faculty Representative to the Senate (18th May 2006 -2nd Dec. 2007)
7. Board of Management / SVIAS (1st Jan. 2008–31st Dec. 2010)
8. Member of the Library Committee, SVIAS. (25th Jan.2008–18th Jan. 2011)
9. Member of the Higher Degree Committee, Agriculture (July 2008–to date)
10. Member of the Board of Management, CENSARM. (June 2008 – to date)
11. Member of Library Committee, Agriculture (01st Apr.2011–to date)
12. Co-ordinator /Agric. Biology (January 2003 – May 2005)
13. PIC / Improving the library facilities, IRQUE Project (June 2006 – to date)
14. Member of the English Language Skills, HETC Project (May 2010–to date)
15. Member of the Task Force, Eastern University (January 2010 – to date).

a. Life Member of the Sri Lanka Association for the Advancement of Science.
b. Member of the Jaffna Science Association, University of Jaffna.

 

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