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 Name:

Dr. M. GUNASEKARAN,
Senior Scientist, Plant Pathology
 eMail:
 Qualification
  Ph.D. in Applied Botany
 Years of experience

 26 Years
Contact Address

CENTRAL INSTITUTE FOR COTTON RESEARCH,
Regional Station, Maruthamalai Road,
Coimbatore - 641 003, TamilNadu, India
Phone: 0422-2430045, Fax: 0422-2454021
Mobile: 94421 34233


Academic Qulaification

Sl. No

Institution / University

Examination Passed

Year

Class

Subjects

i

Tamil Nadu Agricultural University, Coimbatore

B. Sc. (Ag.)

1977

I

Agriculture

ii

Indian Agricultural Research Institute, New Delhi

M. Sc. (MPP)

1979

I

Mycology and

Plant Pathology

iii

Mangalore University , Mangalagangothri, Mangalore, Karnataka State.

Ph. D

2007

-NA-

Applied Botany

EMPLOYMENT DETAILS:

Post held

From

To

Nature of Duties

Asst. Prof

11.04.1984

31.05.1985

Research and Extension

Scientist

07. 06.1985

31.01.1994

- do -

Scientist (Sr. Scale)

01.02.1994

26.07.1998

- do -

Scientist - SG

27.07. 1998

23.04.2007

- do -

Sr. Scientist

24.04.2007

Till date

- do -

MAJOR FIELD OF RESEARCH WORK DONE :

  1. Etiology and management of basal stem rot disease of coconut.
  2. Etiology, epidemiology, molecular detection and management of coconut leaf rot disease.
  3. Molecular detection, differentiation and characterization of coconut root (wilt) pathogen
  4. Management of coconut bud rot disease.
  5. Development of IDM Technologies for the Basal Stem Rot Disease of Arecanut

Salient findings:

Coconut Root Wilt Disease:

  1. Standardized the method for the isolation of DNA from coconut tissues (meristem, spindle leaves, inflorescence, petiole and roots).
  2. PCR conditions were optimized to amplify coconut root wilt pathogen
  3. DNA from coconut root wilt pathogen, Phytoplasma, was consistently amplified with Phytoplasma specific primers (P4 / P7).
  4. Cloning and subsequent sequencing of PCR products were carried out using TOPO TA cloning kit (Invitrogen TM).
  5. Sequenced products were analyzed using BLAST.
  6. New specific primers were designed

Coconut leaf rot disease:

Studied the phylloplane fungi of leaf rot infected coconut palms and documented the species composition of leaf rot disease (LRD). The population dynamics of the LRD fungi was also investigated and their pathogenicity established. Some of the other major findings on LRD are:

  1. Colletotrichum gloeosporioides and Exserohilum rostratum were found to be main pathogens based on sequential isolation and seasonal variation in the population of LRD fungi.
  2. Standardized the technique for evaluating the pathogenicity of LRD fungi in in vitro and in the field.
  3. Reproduced the LRD symptoms in coconut seedlings by artificial inoculation
  4. Relative toxicity of some contact and systemic fungicides at different concentrations was assayed in vitro to select an effective broad-spectrum fungicide; Contaf, a systemic fungicide was found to completely suppress the growth of LRD pathogens, Colletotrichum gloeosporioides and Exserohilum rostratum.
  5. Evolved a simple, more convenient and effective method - pouring the fungicide into the well of spindle - for leaf rot disease control.
  6. A fast and simple method has been standardized for extracting DNA from LRD infected coconut leaf. A species - specific primer pair for detection of Exserohilum rostratum (Er), erfwd (5' TTA CAC ACA AAA ATA TGA GGG T 3') and errev (5' GAG AGA CAA AAA GAG CCC CA 3') was designed.
  7. Specific PCR conditions were optimised for the primer pairs, ITS 4 / CgInt and erfwd / errev, for species-specific detection of Colletotrichum gloeosporioides and Exserohilum rostratum, respectively from infected leaf material.
  8. Using advanced techniques like PCR, RAPD, RFLP and sequencing, variations within the two main pathogens, Colletotrichum gloeosporioides and Exserohilum rostratum were identified to the isolate level.
  9. Reduction in lesion development was observed on the application of antagonistic bacterium, P. fluorescens with the two main pathogens of LRD, Colletotrichum gloeosporioides and Exserohilum rostratum . The pathogens were applied individually and in combination with the bacterium.
  10. A total of 118 bacteria (97 from phylloplane and 21 from rhizosphere), 58 fungi (9 from phyloplane and 49 from rhizosphere) and 5 actinomycetes (from phyloplane) were isolated from diseased leaves and rhizotic zones of LRD affected coconut palms.
  11. All the isolates were subjected to screening for bioefficacy against main fungal pathogens of LRD. Four bacteria and two actinomycetes isolates were found to be effective against pathogens of LRD.

Management of bud rot of coconut:

  1. Efficacy of the bacterial endophyte Bacillus amyloliquefaciens was proved in vitro.
  2. The bacterium was found to survive in the leaf axils of coconut for one year. Talc could be used as an effective carrier material for the endophyte Bacillus amyloliquefaciens . Maroti cake supported good growth of the bacterium; thus proving to be an ideal substrate for axil filling.
  3. Propineb (500ppm) and Ipovalicarp (1000ppm) were found inhibitory to P . palmivora under in vitro conditions.
  4. PCR procedures were standardized for the detection of P. palmivora with ITS 3 and ITS 4 primers.
  5. Evolved more simple and effective method - placing mancozeb sachets in the leaf axils (two sachets of 5g each on two sides of the spindle leaf) as prophylactic treatment for leaf rot disease management.

Management of cotton diseases:

  1. Presently engaged with the programme on the management of cotton diseases using biocontrol agents with special reference to cotton endophytes.
  2. Attempts are also being made to utilize cotton stalks, which are otherwise wasted by the farmers, for the large scale multiplication of bioagents.

AWARDS / FELLOWSHIPS:

  1. Junior Research Fellowship (1977 ? 79), Indian Agricultural Research Institute, New Delhi.
  2. Senior Research Fellowship (1979 ? 84), Indian Agricultural Research Institute, New Delhi.
  3. Rothamsted International Fellowship (October 1999 to September 2000), Institute of Arable Crops Research (IACR), Rothamsted, Harpenden, Hertfordshire, United Kingdom.
  4. CIRAD International Fellowship (September to November 2006), CIRAD Campus International de Baillarguet, Montpellier Cedex 5 , France.

RESEARCH GUIDANCE: M. Sc. (Two)

DETAILS OF PROFESSIONAL / PRACTICAL TRAINING :

  1. Five months foundation course on ? Agricultural Research Project Management ? from 14 th October 1987 to 3 rd March at National Academy of Agricultural Research Management (NAARM), Hyderabad.
  2. Training on ? Rice Production Technology ? at Tamil Nadu Rice Research Institute, Tamil Nadu Agricultural University, Aduthurai, Tamil Nadu from 8 th to 11 th December 1987.
  3. Techniques of insect tissue culture and its application in the field of arboviruses, at National Institute of Virology (ICMR), Pune, Maharastra State from 1 st to 12 th May 1989.
  4. Advanced Training in the Identification of Teleomorphs and Anamorphs ? during April 1999 at the Division of Plant Pathology, IARI, New Delhi.
  5. Training on ? Detection and Molecular Characterization of Coconut Leaf Rot Pathogens, Colletotrichum gloeosporioides and Exserohilum rostratu m ? from 1 st October, 1999 to 30 th September, 2000 at Rothamsted Experimental Station, Institute of Arable Crops Research (IACR), Rothamsted, Harpenden, Hertfordshire, United Kingdom.
  6. Training Course on ? Introduction to Genstat for Windows ?, 22-23 March 2000, at Rothamsted Experimental Station, Institute of Arable Crops Research (IACR), Rothamsted, Harpenden, Hertfordshire, UK.
  7. A training Course on ? Introduction to Sequence Analysis: GCG, The Internet and Beyond' , from 11 to 13 April 2000, organized by BBSRC, UK at Rothamsted Experimental Station, Institute of Arable Crops Research (IACR), Rothamsted, Harpenden, Hertfordshire, UK.
  8. Phylogeny Training , on 30 August 2000, organized by BBSRC, UK at Rothamsted Experimental Station, Institute of Arable Crops Research (IACR), Rothamsted, Harpenden, Hertfordshire, UK.
  9. Training on ? Recent Advances in Agricultural Research Project Management ? from 06.11.2002 to 26.11.2002, at National Academy of Agricultural Research Management (NAARM), Hyderabad.
  10. Winter school on ? Detection of Plant viruses by PCR and nucleic acid probes ?, from 8 to 28 November, 2003 at Department of Plant Pathology, Centre for Plant Protection Studies, Tamil Nadu Agricultural University, Coimbatore ? 641 003, Tamil Nadu.
  11. Training on ? Linux Applications in Bioinformatics ? from 26 April to 1 May 2004 organized by Bioinformatics Center, Central Plantation Crops Research Institute (ICAR), Kasaragod ? 671 124, Kerala.
  12. ICAR Sponsored short-term training course on ? Assessing Mycorrhizal Association in Plantation Crops ? conducted at Central Plantation Crops Research Institute, Kasaragod, Kerala, during 1 ? 10 December 2004.
  13. National Training Course on ? Production Technology of Biological control Agents ? during 15 - 24 February 2005 at National Centre for Integrated Pest Management (NCIPM), New Delhi.
  14. Training on ? Antagonists for Plant Disease Control ? from 26 September 2005 to 1 October 2005 at Project Directorate of Biological Control (PDBC), Bangalore.
  15. One week management development programme on ?Managing Intellectual Property in Agricultural Research Organizations? during 13 to 19 July, 2006 at National Academy of Agricultural Research Management (NAARM), Rajendranagar, Hyderabad.
  16. Two months training on ?Kerala coconut Root Wilt Disease: Pathogen Detection and molecular Characterization? from 25th September to 18th November, 2006 at CIRAD, Campus International de Baillarguet, Montpellier Cedex 5, France.
  17. Attended a short course on ?Application of Molecular tools in Identifying Disease Resistance Genes / Mechanisms in Crop Plants? organized by Indian Council of Agricultural Research (ICAR) at Sugarcane Breeding Institute, Coimbatore during December 10 ? 19, 2008.

LIST OF PUBLICATIONS

A. Research papers :

  1. CHOWDAPPA, P., GOPINATHAN PILLAI, N., GUNASEKARAN, M ., and SOLOMON, J. J. 1989. Distribution and retention of oxy-tetracycline hydrochloride injected into coconut palms affected by root wilt disease. J. Plantn. Crops 17 (2): 108 ? 113.
  2. GULZAR BANU, J., ROHINI IYER and GUNASEKARAN, M. 2006. Mass multiplication and formulation of a nematophagous fungus, Paecilomyces lilacinus . International Journal of Nematology 16 (2): 145 ? 152.
  3. GUNASEKARAN, M. 2004. Preparation of mycorrhizal DNA and PCR amplification. In: ICAR sponsored short course on ? Assessing Mycorrhizal Association in Plantation Crops ? Practical Notes ?, 1 ? 10 December 2004, Central Plantation Crops Research Institute, Kasaragod, Kerala. pp 19 ? 29.
  4. GUNASEKARAN, M. 2004. Principles of polymerase chain reaction. In: ICAR sponsored short course on ? Assessing Mycorrhizal Association in Plantation Crops ? Lecture Notes ?, 1 ? 10 December 2004, Central Plantation Crops Research Institute, Kasaragod, Kerala. pp 82 ? 95.
  5. GUNASEKARAN, M . and SRINIVASAN, N. 2000. Involvement of Lasiodiplodia theobromae (Pat.) Griffon and Maubl. in fruit rot of coconut in India . Trop. Agric . ( Trinidad ) 77: 123-125.
  6. GUNASEKARAN, M . and WARD, E. 2002. Restriction fragment length polymorphism of leaf rot pathogens, Colletotrichum gloeosporioides and Exserohilum rostratum. Abstract in 54 th Annual Meeting of Indian Phytopathological Society and National Symposium on Crop Protection and WTO ? An Indian Perspective, Central Plantation Crops Research Institute, Kasaragod - 671 124.
  7. GUNASEKARAN, M . and WARD, E. 2003. Molecular characterization and detection of the coconut leaf rot pathogens Colletotrichum gloeosporioides and Exserohilum rostratum. In ? Disease detection horticultural crops' , Central Plantation Crops Research Institute, Kasaragod, Kerala, India, pp 33-48.
  8. GUNASEKARAN, M ., ALKA GUPTA and SRINIVASAN, N. 2001. Biological control of leaf rot pathogens with Pseudomonas fluorescens . In: National Symposium on Eco-friendly Approaches for Plant Disease Management ., University of Madras , Chennai ? 600 025.
  9. GUNASEKARAN, M ., ALKA GUPTA and SRINIVASAN, N. 2003. In vitro biological control of coconut leaf rot pathogens with Pseudomonas fluorescens . J. Plantn. Crops, 31 (2): 52 ? 54.
  10. GUNASEKARAN, M., CHANDRAMOHANAN, R. and ELAINE WARD. 2007. Molecular characterization of coconut leaf rot disease pathogens, C olletotrichum gloeosporioides (Penz.) Penz. & Sacc. and E xserohilum rostratum (Drechl.) Leonard & Suggs. Abstracts, National Symposium on ? Plant Pathogens: Exploitations and Management ? and 59 th Annual Meeting of the Indian Phytopathological Society?, 16 ? 18, January 2007. Rani Durgawati University , Jabalpur , Madhya Pradesh. p.28.
  11. GUNASEKARAN, M ., RAMDOSS, N., RAMAIAH, M., BHASKARAN, R., and RAMANATHAN, T. 1986. Role of neem-cake in the control of Thanjavur wilt disease of coconut. Indian Coconut J . 17 (1): 7- 12.
  12. MATHAN, K., RADHAKRISHNAN NAIR, C. P., GUNASEKARAN, M ., GOVINDAN-KUTTY, M. P., and SOLOMON, J. J. 1988. Stylet course of lace bug, Stephanitis typica (Distant) in coconut leaf. Proc. Indian Acad. Sci. (Ani. Sci.) 97 (6): 539 ? 544.
  13. MATHAN, K., RAJAN, P., RADHAKRISHNAN NAIR, C. P., SASIKALA, M., GUNASEKARAN, M ., GOVINDANKUTTY, M. P., and SOLOMON, J. J. 1990. Transmission of root wilt disease to coconut seedlings through Stephanitis typica (Distant) (Heteroptera: Tingidae). Trop. Agric. ( Trinidad ) 67 (1): 69 ? 73.
  14. MAYILVAGANAN, M., GUNASEKARAN, M ., SHEENAKUMARI, T. K., GEETHA, L., RAJEEV, G., SOLOMON, J. J. and SASIKALA, M. 2005. Developing a polymerase chain reaction based detection method for coconut root (wilt) phytoplasma. Paper presented in the International Conference on Plant Genomics: Challenges and Opportunities held at Indira Gandhi Agricultural University , Raipur , Madhya Pradesh from 26 to 28 October 2005 .
  15. MURALI GOPAL, VINAYAK HEGDE, SUBAHARAN, K., SOSAMMA, V. K., ALKA GUPTA, KOSHY, P. K., CHANDRIKA MOHAN, RADHAKRISHNAN NAIR, C. P., GUNASEKARAN , M. and CHANDRAMOHANAN, R. 2003. Isolation of microbial pathogens of Aceria guerreronis Keifer, the coconut eriophid mite. J. Plantation Crops, 31 (1): 28 - 31.
  16. RAJAGOPAL, V., MANIMEKALAI, R., DEVAKUMAR, K., RAJESH, M. K., ANITHAKARUN, NIRAL, V., MURALI GOPAL, GUNASEKARAN, M ., RAMESHKUMAR, M. and CHANDRASEKARN, A. 2005. A database for coconut crop improvement. Bioinformation 1 (2): 75 ? 77.
  17. RAMDOSS, N., GUNASEKARAN, M . and RAMANATHAN, T. 1986. Chemical control of Thanjavur wilt of coconut. In: Seminar On Management of Soil-borne Diseases Of Crop Plants (SOMSDOC) 8 to 10 January, 1986 . Abstract of papers p.21.
  18. RAMDOSS, N., GUNASEKARAN, M ., VIJAYARAGHAVAN, H. and RAMANATHAN, T. 1986. Studies on the destructive sampling of Thanjavur wilt affected coconut. In: Seminar on Management of Soil-borne Diseases of Crop Plants (SOMSDOC) 8 to 10 January, 1986 . Abstract of papers p.12.
  19. ROHINI IYER and GUNASEKARAN, M. 2004. Integrated disease management in coconut. Abstract in: National seminar on ? Biotechnological approaches towards the integrated management of crop diseases ?, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad , Maharashtra . p. 36.
  20. ROHINI IYER, GUNASEKARAN, M . and JAYASUJA, V. 2003. Multiplication and translocation of introduced endophytic bacterium ( Bacillus amyloliquefaciens ) in coconut seedlings. Paper presented in 6 th International PGPR Workshop, 5 ? 10 October 2003, Calicut, Kerala, India.
  21. ROHINI IYER, PARVATHY MEERA, LEKHA, G., VINAYAKA HEGDE and GUNASEKARAN, M . 2004. Management of basal stem rot disease of Areca catechu L. in India . J. Plantation Crops 32 (1): 25 - 27.
  22. ROHINI IYER, VINAYAK HEGDE, SUBHAHARAN, K., SOSAMMA, V. K., ALKA GUPTA, KOSHY, P. K., CHANDRIKA MOHAN, RADHAKRISHNAN NAIR, C. P., GUNASEKARAN , M., CHANDRAMOHANAN, R. and MURALI GOPAL. 2000. Isolation of microbial pathogens of Aceria guerreronis , the coconut eriophid mite: A multidisciplinary approach. Abstract in proceedings of the 54 th Annual Meeting of the Indian Phytopathological Society and National Symposium on Crop Protection and WTO ? An Indian Perspective, Central Plantation Crops Research Institute, Kasaragod - 671 124, Kerala, India.
  23. SHEENAKUMARI, T. K., GUNASEKARAN, M. and ROHINI IYER. 2004. Variability studies on Ganoderma lucidum L. causal agent of basal stem rot disease of arecanut. In: National workshop on arecanut held during October 11 - 12, 2004 at Central Plantation Crops Research Institute - Regional Station, Vittal, Karnataka.
  24. SHEENAKUMARI, T. K., GUNASEKARAN, M., RAJESH, M, K. and ROHINI IYER. 2007. Molecular detection of Ganoderma spp., causal agent of basal stem rot disease of arecanut ( Areca catechu L.). Abstracts, National Symposium on ? Plant Pathogens: Exploitations and Management ? and 59 th Annual Meeting of the Indian Phytopathological Society?, 16 ? 18, January 2007. Rani Durgawati University , Jabalpur , Madhya Pradesh. p.31.
  25. SHEENAKUMARI, T. K., MURALIDHARAN, K., ROHINI IYER, and GUNASEKARAN, M. 2006. Evolving an index for basal stem rot disease of arecanut and its application in the field. Abstract, Annual Meeting and Symposium of Indian Phytopathological Society - Southern Zone, 27 - 28 Nov., 2006. Central Plantation Crops Research Institute , Kasaragod. p.22.
  26. SOLOMON, J. J., GUNASEKARAN , M., ROHINI IYER, MAYILVAGANAN, M. and SHEENAKUMARI, T. K. 2003. Molecular detection and differentiation of Phytoplasma associated with coconut root wilt disease. Abstract in proceedings of the 55 th Annual Meeting of Indian Phytopathological Society and National symposium on Plant pathogens diversity in relation to plant health, Osmania University, Hyderabad ? 500 007, Andhra Pradesh, India.
  27. SRINIVASAN, N., and GUNASEKARAN, M . 1992. An appraisal of symptom expression in coconut due to leaf rot disease. Indian Coconut J . 23 (7): 2 ? 6.
  28. SRINIVASAN, N., and GUNASEKARAN, M . 1993. Fungi associated with leaf rot disease of coconut. Indian Coconut J . 23 (10): 2 ? 7.
  29. SRINIVASAN, N., and GUNASEKARAN, M . 1994. Additional fungi associated with leaf rot disease of coconut in India . The Phil. J. Cocon. Studies 19 : 26 ? 27.
  30. SRINIVASAN, N., and GUNASEKARAN, M . 1994. Identification of Colletotrichum gloeosporioides and Exserohilum rostratum and Gliocladium vermoeseni associated with leaf rot disease of coconut in India . CORD 10 (1): 34 ? 50.
  31. SRINIVASAN, N., and GUNASEKARAN, M . 1995. Cylindrocladium scoparium in relation to leaf rot disease of coconut. Indian Phytopath . 48 : 196 ? 198.
  32. SRINIVASAN, N., and GUNASEKARAN, M . 1995. In vitro interactions among fungi associated with leaf rot disease of coconut. Indian Phytopath . 48 : 369 ? 370.
  33. SRINIVASAN, N., and GUNASEKARAN, M . 1996. Coconut leaf rot intensity and fungal incidence. Indian Coconut J . 26 ( 9): 10 ? 13.
  34. SRINIVASAN, N., and GUNASEKARAN, M . 1996. Field control of leaf rot disease of coconut with fungicides. CORD . 12 (2): 34 ? 42.
  35. SRINIVASAN, N., and GUNASEKARAN, M . 1996. Incidence of fungal species associated with leaf rot disease of coconut palms in relation to weather and stage of lesion development. Ann. Appl. Biol . 129 : 433 ? 449.
  36. SRINIVASAN, N., and GUNASEKARAN, M . 1996. Pathogenicity of preponderant fungi associated with leaf rot disease of coconut. Indian Coconut J . 27 (3): 2 ? 4.
  37. SRINIVASAN, N., and GUNASEKARAN, M. 1997. In vitro assay of fungicides against preponderant fungi of leaf rot disease of coconut palms. Pestology 22 (3): 17 ? 23.
  38. SRINIVASAN, N. and GUNASEKARAN, M . 1998. Fusarium solani and Fusarium moniliforme var. intermedium in coconut leaf rot disease. Indian Phytopath. 52: 160 ? 162.
  39. SRINIVASAN, N. and GUNASEKARAN, M . 2000. Etiology and recurrence of coconut leaf rot with special reference to seedlings. In : Recent advances in plantation crops research. ( eds . N. Muraleedharan and R. Raj Kumar). Allied Publishers Ltd, Chennai, pp 400 ? 403.
  40. SRINIVASAN, N. and GUNASEKARAN, M . 2003. Curative and prophylactic control of fungal leaf rot complex in root (wilt) affected coconut palms in India . CORD , 19 (1): 17 ? 26.
  41. SRINIVASAN, N., and GUNASEKARAN, M ., ROHINI IYER, CHANDRAMOHANAN, R., and KOCHU BABU, M. 1995. Mycoflora of leaf rot affected palms . Indian Phytopath . 48 : 93 ? 95.
  42. SRINIVASAN, N., KOSHY, P. K., AMMA, P. G. K., SASIKALA, M. GUNASEKARAN, M . and SOLOMON, J. J. 2000. Appraisal of the coconut root (wilt) and heavy incidence of the disease in Cumbam Valley of Tamil Nadu. Indian Coconut J . 31(1): 1-5.

B. Science communications :

  1. ALKA GUPTA, GUNASEKARAN, M, and MURALI GOPAL. 1999. Stem bleeding disease of coconut. Bharathiya Nariyal Patrika, (Hindi), 10(3): 21.
  2. ALKA GUPTA and GUNASEKARAN, M. 2000. Management of coconut basal stem rot disease. Bharathiya Nariyal Patrika, (Hindi), 11(3): 2 ? 3.
  3. ALKA GUPTA, GUNASEKARAN, M, and MURALI GOPAL. 1999. Managing basal stem rot disease of coconut. Indian Farming , 49 (2): 30 ? 31.
  4. GUNASEKARAN, M ., CHITRA, K. R. and ALKA GUPTA. 1999. Basal stem rot of coconut and its management. Indian Nalikera Journal (Malayalam) 28 (7): 4.
  5. RAMDOSS, N., GUNASEKARAN, M. and T. RAMANATHAN. 1985. Effect of neem cake on Thanjavur wilt disease of coconut. In: Tamil Nadu Agricultural University News Letter, 14 (12): 1
  6. SRINIVASAN, N. AND GUNASEKARAN, M . Coconut leaf rot intensity and associative fungi. Indian Nalikera Journal (Malayalam) 24(8): 2 ? 4.

C. Review papers :

  1. SOLOMON, J. J., NAIR, C. P. R., SRINIVASAN, N., GUNASEKARAN, M . and SASIKALA, M. 1999. Coconut root (Wilt) ? the malady and remedy . J. Plantn. Crops. 27 (2): 71 ? 92.
  2. SRINIVASAN, N., and GUNASEKARAN, M . 1997. Coconut leaf rot disease complex ? A review. CORD 15 (1): 33 ? 65.
  3. M. GUNASEKARAN, MOOSA, H., RASMI, A. R., ROHINI IYER and SHEENAKUMARI, T. K. 2004. Emerging trends in the management of bud rot disease of coconut. J. Plantation Crops 32 (Suppl): 269 - 279.

D. Technical bulletins :

  1. SRINIVASAN, N. and GUNASEKARAN, M . 2000. Leaf rot disease of coconut . Technical Bulletin No. 38. Central Plantation Crops Research Institute, Kasaragod - 671 124, Kerala , India .
  2. ? Assessing Mycorrhizal Association in Plantation Crops ? Lecture Notes ?. 2004. ROHINI IYER, M. GUNASEKARAN , H. MOOSA and PHILOMINA ABRAHAM (Eds.) Central Plantation Crops Research Institute, Kasaragod - 671 124, Kerala , India .
  3. ? Assessing Mycorrhizal Association in Plantation Crops ? Practical Notes ?. 2004. ROHINI IYER, M. GUNASEKARAN , H. MOOSA and PHILOMINA ABRAHAM (Eds.) Central Plantation Crops Research Institute, Kasaragod - 671 124, Kerala, India.

E. Book :

  1. CHOWDAPPA, P., ROHINI IYER and GUNASEKARAN, M. 2002. Plant Pathology Research at CPCRI. Central Plantation Crops Research Institute, Kasaragod ? 671 124, Kerala, India.

F. Book chapters :

  1. SRINIVASAN, N., GUNASEKARAN, M ., JOSEPH, T. and RAWTHER, T. S. S. 1998. Leaf rot disease. In: Coconut root (wilt) disease . (Eds. K. U. K. Nampoothiri and P. K. Koshy). pp 83 ? 95, Central Plantation Crops Research Institute, Kasaragod, Kerala, India.
  2. GUNASEKARAN, M ., ALKA GUPTA, RAMANUJAM, B., SRINIVASAN, N. and ROHINI IYER. 2006. Achievements in biocontrol of diseases of coconut with antagonistic organisms in Central Plantation Crops Research Institute, Kasaragod. In: Current status of biological control of plant diseases using antagonistic organisms in India . (Eds. B. Ramanujam and R. J. Rabindra). Tech. Doc. No. 57, Project Directorate of Biological Control, Bangalore ? 560 024. pp. 216 ? 259.
  3. GUNASEKARAN, M. 2008. Integrated Management of Phytophthora diseases. In: Advances in Soil Borne Plant Diseases. (Eds. M. K. Naik and G. S. Devika Rani). pp 371 ? 413, New India Publishing Agency, New Delhi.
  4. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Fruit rot of Arecanut. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 5 ? 6, Daya Publishing House, Delhi.
  5. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Fruit rot of Arecanut. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 5 ? 6, Daya Publishing House, Delhi.
  6. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Bud rot of Arecanut. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 7 ? 8, Daya Publishing House, Delhi.
  7. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Ganoderma or Anabe of Arecanut. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 9 ? 10, Daya Publishing House, Delhi.
  8. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Yellow Leaf of Arecanut. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 11 ? 12, Daya Publishing House, Delhi.
  9. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Inflorescence Die-back and Button Shedding of Arecanut. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 13 ? 14, Daya Publishing House, Delhi.
  10. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Black Pod of Cocoa. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 52 ? 53, Daya Publishing House, Delhi.
  11. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Canker of Cocoa. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 54 - 55, Daya Publishing House, Delhi.
  12. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Charcoal Pod Rot of Cocoa. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 56, Daya Publishing House, Delhi.
  13. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Vascular Streak Die-back of Cocoa. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 57 ? 58, Daya Publishing House, Delhi.
  14. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Bud rot of Coconut. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 59 ? 61, Daya Publishing House, Delhi.
  15. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Basal Stem Rot of Coconut. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 62 ? 63, Daya Publishing House, Delhi.
  16. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Stem Bleeding of Coconut. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 64 ? 65, Daya Publishing House, Delhi.
  17. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Wilt of Coconut. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 66 ? 67, Daya Publishing House, Delhi.
  18. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Leaf Rot of Coconut. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 68 ? 69, Daya Publishing House, Delhi.
  19. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Crown Choke of Coconut. In Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 70, Daya Publishing House, Delhi.
  20. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Gray Leaf Spot Disease. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 71, Daya Publishing House, Delhi.
  21. GUNASEKARAN, M. and R. CHANDRAMOHANAN . 2008. Nut Rot. In: Crop Diseases: Identification and Management ? A Colour Handbook (Eds. Gangawane, L. V. and Khilare, V. C.), pp 72, Daya Publishing House, Delhi.