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 Name:
Dr. B. Dhara Jothi
Sr. Scientist, Entomology
 eMail:
 Qualification
 Ph.D. - Zoology
Thesis title : Bioefficacy of Entomophathogenic Nematodes Against the Lepidopterous Pests of Sugarcane and Cotton
 Years of experience

 24 years

Contact Address

Central Institute for Cotton Research,Regional Station,
Coimbatore-641003, Tamilnadu , India .
Office Phone No:0422 2430045 ; Office Fax No.: 0422- 2454021


Academic Qualification

  • B.Sc (Zoology) Madras University , Madras , Tamilnadu, 1979.
  • M.Sc. (Zoology with Entomology), Madras University , 1984.
  • M.phil. (Zoology with Entomology), Bharathiar University , 1985.
  • P.hD. (Zoology with Entomology), Bharathiar University , 2002

Trainings Attended

  • Foundation course in Research Management, NAARM, Hyderabad , 4.12.1987-28.04.1988.
  • Short course on “Research Methodology in Insecticide Toxicology?February 19 th to March 4 th , 1996. Tamil Nadu Agricultural University, Coimbatore
  • Training programme on “Modern Trends in IPM?7/11/2001 to 27/11/2001 Tamil Nadu Agricultural University , Coimbatore ,
  • Training on “Pesticides and Environment?28/01/2004 to 17/02/2004, Tamilnadu Agricultural University, Coimbatore .
  • Training course on, “Bioinformatics tools in Biotechnology? 6-10 November, 2006 at Tamil Nadu Agricultural University , Coimbatore .
  • Training programme on, “Statistical tools for Data Analysis? March 2-7, 2009 at CRIDA, Hyderabad .
  • Short course on Application of Molecular Tools in Identifying Disease Resistance Genes/ Mechanisms in Crop Plants.December10to19, 2008, Sugarcane Breeding Institute, Coimbatore .

Employment Record:

  • Scientist S-1(Agri.Entomology),Indian Institute of Horticultural Research, Bangalore . 13.11.1986-7.3.1994.
  • Scientist (Senior Scale)(Agri.Entomology, Central Institute for Cotton (ICAR) Research Regional Station, Coimbatore , 8.3.1994 ?6.7.1999
  • Scientist (Selection Grade) Central Institute for Cotton(ICAR) Research Regional Station, Coimbatore 27.7.1999 ?7.02.2002
  • Senior scientist (Agri.Entomology), Central Institute for Cotton(ICAR) Research Regional Station, Coimbatore , 08.02.2002-till date.

Major contributions during professional career:

Integrated Pest Management

  • Standardized effective management strategies for pink boll worm Pectinophora gossypiella of cotton.
  • Effective management practices for cotton mealy bug species.
  • Developed the management protocol against of Cotton Stem weevil. Phempherulus affinis
  • Standardized effective post harvest disinfestations techniques for mango fruit fly Bactrocera dorsalis Hendel, using hot water as a treatment.
  • Standardized the effective control measures for citrus leaf miner, Phyllocnistis citrella , and citrus aphid, Toxoptera citricidus Kirkaldy and Aphis punicae Passerini by using botanicals.
  • Involved in the development of IPM strategy for mango fruit fly and grape mealy bug.

Insect Ecology and Population dynamics

  • Data generated on population dynamics of important insect pests of cotton.
  • Studied the spatial distribution pattern of citrus Psylla Diaporina citri Kuwayama and standardized the sampling plan for the same.
  • Basic ecological parameters for the distribution of ber leaf thrips Florithrips traegardhi Trybon and the ber scale Drepanococcus chiton (Green), Sapota fruit borer Phycita erythrolophia Hampson and grape thrips Scirtothrips dorsalis Hood the population fluctuation pattern of Citrus red scale and Citrus Psylla.

Biological Control

  • Twenty two isolates of entomopathogenic nematodes (EPN) were collected from the sugarcane and cotton fields,and identified by using morphological and molecular techniques.
  • Efficacy of three EPN against cotton boll worm H. armigera and sugarcane shoot borer C. infuscatellus were quantified.
  • Impact studies of predators and parasites on different mealy bug species on cotton

Resistance Management

  • Insecticide Resistance Management strategies were disseminated to farmwers through the modified methodology suitable for the region.
  • Monitoring and management of insecticide resistance against sucking pests of cotton.
  • Monitoring and management of Bt Toxin resistance against bollworms.

Methodologies developed

  • An effective cotton seed based diet for the artificial rearing of pink bollworm Pectinophora gossypiella (Saund).
  • Rearing of the adult stem weevil on natural host and on alternate host Althea rosae .
  • Documented the anatomical and cytological changes in the stem galled region of the stem weevil affected plants.
  • Electron microscopic analysis of the external morphological structure of the adult stem weevil.
  • Hot water treatment - A viable technique for disinfecting the mangoes infested with oriental fruit flies B.dorsalis

Present Research Programs and Projects:

Funded Projects

    PI / Co-PI / Other

    Title

    Year

    Funding agency

    Cooperating Centre Co-Principal Investigator

    Development of diagnostic tools for differentiation of biotypes/races of pathogens and insect pests(TMC MM I ?MM E-3)

    2000 - 2003

    DAC, GOI and ICAR

    Cooperating Centre Co-Principal Investigator

    Development of efficient strains of biocontrol through molecular manipulations/techniques. (TMC MM I ?MM E-4)

    2000- 2003

    DAC, GOI and ICAR

    Cooperating Centre Co-Principal Investigator

    Development of diagnostic tools for differentiation of biotypes/races of pathogens and insect pests ( TMC MM I ?MM -3)

    2003-2007

    ICAR

    District

    Coordinating scientist

    Dissemination of Insecticide Resistance Management Strategies in Cotton growing districts in Tamil Nadu. (TMC MM II ?IRM)

    2005 -2011

    DAC, GOI

    Cooperating Centre Co-Principal Investigator

    TMC MM I: Emerging and Key pests ?their characterization, taxonomy, genetic diversity and control

     

    2007-2012 TMC

    Cooperating Centre Co-Principal Investigator

    TMC MM I 3.3 Development, Validation, Utilization and /or Commercialization of Biopesticides and Bioinoculants

    2007-2012 TMC

    Co- Principal Investigator

    NAIP- Research into development of Decision Support Systems for insect pests of major rice and cotton based cropping systems.

    2008-2012

    NAIP-ICAR

Insititute Projects

Sl.No
Title of the scheme
Person's status (PI/Co.PI/Associate)
Starting date
Completion date
1

Bio- Ecological studies of Pink bollworm Pectinophora gossypiella Saunders.

Project Leader

1994
2007
2

Studies on the population dynamics of cotton pests and their natural enemies in the cotton ecosystem.

Project Associate

1996 Till date
3

Bio ecology and management of cotton stem weevil Pempherulus affinis Faust.

Project Leader

2001 2005
4

Exploring suitable agro techniques for Bt cotton hybrid.

Project Associate

2002 2004
5

Development of expert system on cotton pests

Project Associate

2002 2007
6

Optimization of irrigation and nitrogen requirement for improving productivity and input use efficiency in Bt cotton.

 

Project Associate 2005 Till date
7

Exploration for noval insecticidal proteins from bacterial symbionts of native entomopathogenic nematodes

Project Associate 2006 Till date
8.

Standadization of bioassay techniques for resistance monitoring in Pectinophora gossypiella Saunders in transgenic cotton and development of management strategies.

Project Leader 2007 Till date
9

Insecticides, Sucking pests and predator interaction on Bt cotton.

Project Leader 2008 Till date

List of Publications:

International

  • B. Dhara Jothi and Usha K. Mehta (2003). Efficacy of three species of entomopathogenic nematodes with antidesiccants against Helicoverpa armigera. International Journal of Nematology , 13(2) 229-232.
  • B. Dhara Jothi and Usha K. Mehta, (2007). Impact of different temperatures on the infectivity and productivity of entomopathogenic nematodes on Galleria mellonella . International Journal of Nematology , 17(2) 158 -162.
  • J.Gulsar Banu, B.Dhara jothi and Nandini-Gokte Narkhedkar (2007). Susceptibility of different stages of cotton bollworm, Helicoverpa armigera (Lepidoptera: Noctuidae) to entomopathogenic nematodes. International Journal of Nematology , 17 (1), pp.41-45.
  • B. Dhara Jothi and Usha K. Mehta (2008). Pathogenicity and bio-efficacy of entomopathogenic nematodes against sugarcane shootborer Chilo infuscatellus International Journal of Nematology , 18(1) 47 - 53.
  • Dharajothi, B., P.L. Tandon and Abraham Verghese, 1993.Hotwater treatment developed for Indian mangoes infested with oriental fruit flies Bactrocera dorsalis . FAO Plant Protection Bulletin 42 (3), 158-159.

National

  • Dhara jothi.Band K.Natarajan,(2002). Incidence of Pink Bollworm Pectinophora Gossypiella Saunders on winter and summer cotton in Coimbatore Tamil Nadu. Entomon, 27(4) : 415-418.
  • Dhara jothi.B and K.Natarajan,(2002).The Serpentine Leaf miner Liriomyza trifoli Burgess on cotton. Journal Insect Environment. 8 (3)103-104.
  • B.Dhara jothi and Usha K.Mehta (2006).Pathogenicity of three species of EPN against cotton bollworm Helicoverpa armigera Hub. Entomon 31(4): 259-266.
  • K.K.Bandyoypadhyay, A.H. Prakash, K. Sankaranarayanan and B.Dhara jothi and N.Gopalakrishnan.(2009).Effect of irrigation and nitrogen on soil water dynamics,productivity and input-use efficiency of Bt cotton (Gossypium hirsutum) in Vertric Ustropept. The Indian Journal of Agrl. Sciences , 79 (5) pp 327-408.
  • B.Dhara jothi, T.Surulivelu, N.Gopalakrishnan and T.R.Manjula (2009). First record of papaya mealy bug, Paracoccus marginatus Williams and Granara de Willink , on cotton in India.Journal of Biological Control .23(3) 321-323.
  • B.Dhara jothi,N.Gopalakrishnan,K.Natarajan and T.R.Manjula (2009). Evaluation of Certain Insecticides Against Pink Bollworm Pectinophora gossypiella Saunders. Journal of Indian Society for Cotton Improvement .34 (2):91-95.
  • Dharajothi, B., Abraham Verghese and P.L. Tandon, 1989. Ecological studies of citrus Psylla, Diaphorina citri Kuwayama, (Hemiptera: Psyllidae) with special reference to its spatial distribution and sampling plan. Entomon, 14(3-4): 319-324.
  • Dharajothi, B., Abraham Verghese and P.L. Tandon, 1990. Evaluation of different plant oils and extracts against citrus aphid, Toxoptera citricidus (kirkadly). Indian. J. Plant. Prot., 18: 251-254.
  • Dharajothi, B., and P.L. Tandon, 1993. Note on the occurrence of Sitophilus rugicollis Casey (Coleoptera Curculionidae) as a pest of Jamun ( Syzyguim cumini L .) Indian. J. of Hort. 50(3): 249-250.
  • Dharajothi, B., and P.L. Tandon, 1993. Biological and feeding behavior of ber ( Z. mauritiana ) fruit borer. Meridarchis scyrodes Meyrick J.of Ento. Res . 17 (1):49-52.
  • Dharajothi, B., and P.L. Tandon, 1993. Efficacy of some plant oils and extractsagainst the pomegranate aphid Aphis punicae Passerini and their effect on crop foliage. Indian. J. Hort . 50 (4): 337-340.
  • Dharajothi, B., and P.L. Tandon, 1994. Bionomics of Sapota bud borer Anarsia achrasella (Bradley) (Lepidoptera: Gelechidae). J. of Ento. Res . 18 (2): 135-138.
  • Dharajothi, B., and P.L. Tandon,, 1995. Present status of insect pests of ber in Karnataka, Curr. Res . 24: 153-155.
  • Dharajothi, B., and P.L. Tandon, 1995. Spatial distribution and sampling plan for the ber leaf thrips, Florithrips traegardhi (Trybom). J. Ent. Res . 19 (2): 111 ?117.

Seminars/ Symposia :

  • T. Surulivelu, B.Dharajothi and V.G.Mathirajan (2003) Effect of Bt Cotton hybrids on Larval Incidence and development of Helicoverpa armigera Hubner Proceedings of World Cotton Research Conference held during March 9-13, 2003 at Cape town , South Africa.P.No:1264-1271.
  • T. Surulivelu, V. G. Mathirajan and B.Dharajothi (2003) Insecticide induced abundance of Helicoverpa armigera Hubner and Upsurge of Aphis gossypii Glov. in Cotton. Proceedings of World Cotton Research Conference held during March 9-13, 2003 at Cape Town , South Africa.P.No:1070-1075.
  • B.Dhara jothi , T.Surulivelu and T. P.Rajendran (2004).Integration of insecticides, neem products with cultural practices for the management of Cotton stem weevil, Pempherulus affinis Faust. Proceedings of the International Symposium on Strategies for sustainable cotton production held during 23-25, November, 2004, at UAS Dharwad. P.No.233-234.
  • K. Sankaranarayanan, Nalayini.P, Praharaj.C.S and B. Dharajothi (2004). Effects of times of sowing on productivity of the Bt cotton hybrid. Presented at the International Symposium on Strategies for sustainable cotton production held during 23-25, November, 2004, at UAS Dharwad .P.No-103-104.
  • T.Surulivelu and B.Dhara jothi (2007).Neem in the management of insect pests of cotton.Presented at World Neem Conference held during 21 st -24 th November 2007 organized by Neem Foundation in collaboration with industry,Universities and Research Institutions at Coimbatore ,Tamil nadu.
  • B.Dharajothi and N. Gopalkrishnan. (2009). Analysis on the incidence of Pectinophora gassypiella Saundars on Bt cotton hybrids. Presented in the 7 th Pacific rim conference on the biotechnology of Bacillus thuringiensis and its environmental impact, held during 25 th to 28 th 2009 at NASC campus New Delhi .
  • B. Dharajothi , T. Surulivelu, N. Gopalkrishnan, T.R. Manjula and N. Kumaran. (2009). Inhibition of growth and development of Helicoverpa armigera Hubner (Lepidoptera: Noctuidae) fed on Bt cotton. Presented in the 7 th Pacific rim conference on the biotechnology of Bacillus thuringiensis and its environmental impact, held during 25 th to 28 th 2009 at NASC campus New Delhi .
  • Tandon, P.L. and B. Dharajothi , 1990. Studies on ecology of grape berry thrips Scirtothrips dorsalis Hood with particular reference to interplant spatial distribution pattern. Presented in the Inter. Sym. on Recent Adv. in Vitriculture and Oenology, APAU, Hyderabad , India . Abstract P.No. 52.
  • Dharajothi, B., and P.L. Tandon (1993).Insect Pollinator Activity on Ber (Zizyphus mauritiana). Proceedings of the International Symposium on Pollination in Trophics, held during August, 8-13 at Bangalore.P.No.210-211.

National

  • Dharajothi, B and Usha K.Mehta, 2000. Natural occurrence of two Entomopathogenic nematodes for Lepidopterous pests of cotton and sugarcane in Coimbatore , Tamil Nadu. Proc. National. Sym. on biological control of insects in Agriculture, Forestry, Medicine and Veterinary science, P.No. 81.
  • B. Dhara jothi and Usha K.Mehta. (2001). Pathogenicity of Three Species of Entomopathogenic Nematodes against Cotton Boll Worm, Helicoverpa armigera Hub,?Presented at the Symposium on Biological Control of Lepidopteran Pests, held during July 17-18,2002 at the Project Directorate of Biological Control, Bangalore.
  • B. Dhara jothi and Usha K.Mehta. (2001). Impact of different temperatures on the infectivity and productivity of Entomopathogenic Nematodes on Galleria mellonella (L.). Presented at the National Seminar on Emerging Trends in Pests and Diseases and their Management, held during October 11-13, 2001 at TNAU, Coimbatore.P.No.56-57.
  • V.G.Mathirajan, K.Natarajan and B.Dhara jothi , (2002). Monitoring bollworm moth activity using sex pheromone traps. Presented at the National Symposium on Recent Trends in Restoration of Aquatic and Bio-diversity of Insects, held during February15-11, 2002 at PG & Research Department of Zoology, Kongu nadu Arts and Science College , Coimbatore .
  • B. Dhara Jothi and T.P. Rajendran, (2003). Integrated Pest Management for Sustainable Cotton Cultivation, presented at the workshop on IPM strategies on rice, cotton, red gram and Bengal gram at Regional Agricultural Research Station, Lam, Guntur , Andhra Pradesh held during 2.12.03 to 3.12.03. P.No.2
  • B.Dhara jothi and T.P.Rajendran, (2004). Pest Status of Cotton Stem Weevil Phempherulus affinis Faust, presented at Brain Storming Session on Cotton Stem weevil held at Central Institute for Cotton Research, Regional Station, Coimbatore on 29.1.04.
  • Sankaranarayanan, K., C.S.Praharaj, P.Nalayini and B.Dharajothi (2004) Studies on intercropping in Bt cotton hybrid Presented in the National Symposium on “Changing World order Cotton Research, Development and Policy in context" on 10-12 th Aug. 2004, ANGRAU, Hyderabad , p.42.
  • B.Dhara jothi and Usha K.Mehta (2006). Survey and Identification of Entomopathogenic Nematodes in Cotton and Sugarcane fields in TamilNadu and Identification through Molecular Studies.Presented at International Conference on Biodiversity of Insects: Challenging issues in Management and Conservation held during 30 th February, at Bharathiyar University,Coimbatore.P.No:36.
  • B.Dhara jothi , T.Surulivelu, M.Alagar and P.Duraimurugan (2006). “Studies on the Impact of Bt Cotton Cultivars on Growth Indices of Helicovarpa armigera (Hubner) (Noctuidae:Lepidoptera). Presented at International Conference on Biodiversity of Insects: Challenging issues in Management and Conservation held during 30 th February,at Bharathiyar University ,Coimbatore.P.No:151.
  • K.Natarajan and B.Dhara jothi (2006). “Relative incidence of insect fauna on Bt cotton and non Bt cooton. Presented at International Conference on Biodiversity of Insects: Challenging issues in Management and Conservation held during 30 th February, at Bharathiyar University , Coimbatore.P.No:156.
  • B.Dhara jothi , T.Surulivelu, T.M.Manjula and P.Thilagam (2006). “Dissemination of Insecticide Resistance Management Strategies in Cotton in Coimbatore district, Tamilnadu,”presented in the 8 th Agricultural Science Congress held at Tamilnadu Agricultural University, Coimbatore during 15-17 th February 2006.
  • Dr.K.K.Bandyoypadhyay,A.H.Prakash,K,Sankaranarayanan and B.Dhara jothi (2007).Simulation of growth and yield and input use efficiency of Bt cotton under different irrigation and nitrogen management strategies in vertic Utropept.Presented at the 72 nd Annual convention of the Indian Society of Soil Science, held at the Birsa Agricultural University,Randhi during 2-5 November,2007.
  • N.Gopalakrishnan and B.Dhara jothi (2008). “Bt Hybrids Released in South India : Their properties and Features? Presented in the Training cum workshop on “Sustainability of Bt Cotton, Detection and Quantification of Cry Toxins? held during 24 th to 26 th March, 2008 at Acharya N.G.Ranga Agricultural University , Hyderabad .
  • N.Gopalakrishnan and B.Dhara jothi (2008). “Status of mealy bug on cotton in various parts of India ? Presented at the National Consultation on “Mealy bug management?held at CICR, Nagpur , 28-29 th January 2008.
  • B. Dhara jothi , T. Surulivelu, N. Gopalakrishnan and T.R.Manjula. (2009). Impact analysis of IRM strategies on Bt cotton in the irrigated tracts of Tamilnadu. Presented at the , “National Symposium on “Bt-Cotton:Opportunities and prospects?held during 17-19 at CICR,Nagpur.Abstract P.NO-99.
  • B. Dhara jothi , K.Natarajan, N. Gopalakrishnan and T.R.Manjula. (2009). Relative incidence of pest complex on different Bt and NBT hybrids . Presented at the , “National Symposium on “Bt-Cotton:Opportunities and prospects?held during 17-19 at CICR,Nagpur.Abstract P.NO-99.
  • T. Surulivelu, B. Dhara jothi and T.R.Manjula.(2009),Relative occurrence of leafhopper and assessment of yield loss due to sucking pests in the popular hybrids of Bt cotton grown in South India . Presented at the, “National Symposium on “Bt-Cotton: Opportunities and prospects?held during 17-19 at CICR,Nagpur.Abstract P.NO-99.
  • J.GulsarBanu and B.Dhara jothi .(2009).Effect of entomopathogenic nematode-bacteria complex on different stages of Spodoptera litura on Cotton. Presented at the , “National Symposium on “Bt-Cotton:Opportunities and prospects?held during 17-19 at CICR,Nagpur.Abstract P.NO-100.
  • M.Sabesh, S.Vennila, B.Dhara jothi and N.Goplalakrishnan.(2009).Expert system on cotton insect pests.Presented at the National Symposium on “Bt-Cotton:Opportunities and prospects?held during 17-19 at CICR, Nagpur . Abstract P.NO-123.
  • K.K.Bandyopadhyay,A.H.Prakash,K.Shankaranarayanan,B.Dhara jothi and N.Gopalakrishnan.(2009).Assessing trade-off between Bt cotton production and global warming potential using info crop-an indigenous generic simulation model.Presented at the , “National Symposium on “Bt-Cotton:Opportunities and prospects?held during 17-19 at CICR,Nagpur. Abstract P.NO-52.
  • Srikanth, J., Sivaraman, K., Kurup, N.K., Chandrasekhar, S.D., Kailasam, C.,
    Asokan, R., Rakkiyappan, P., Hari, K., Ramesh Sundar, A.,
    Somasekhar, N. and Dhara Jothi, B. 2009. Pest dynamics and management in long-term organic and conventional sugarcane production systems. Proc. Annu. Conv. Sug. Techno. Assoc. India 70:A16-A45.
  • Dharajothi, B., P.L. Tandon and Abraham Verghese, 1989. Evaluation on different plant oils and extracts against citrus leaf miner Phyllocnistis citrella Stainton. Proc. of National Symp on Botanical Pesticides held at Rajahmundry , India , 340-342.
  • Dharajothi, B., and P.L. Tandon, 1991. Present status of pests os Sapota in Karnataka. Paper presented at National seminar on Optimization of Productivity and utilization of Sapota held at GAU, Navasari. India , Abstract P.No. 21.
  • Dharajothi, B ., and P.L. Tandon, C.P.A. Iyer, M.D. Subramanyam and M.R. Dinesh, 1993. Evaluation of some hybrids/varieties of mango and guava for Ovipositional preference of Bactrocera dorsalis Hendal under laboratory conditions. Presented at the Golden Jubilee sym. on Hort. Socie. of India held at Bangalore , India . Abstract P.No. 46.
  • Tandon, P.L., Dharajothi, B and Abraham Verghese, 1993. Integrated Pest Management of Oriental fruit fly, Bactrocera dorsalis Hendal in Mango. Presented at the Golden Jubilee sym. on Hort. Socie. of India held at Bangalore , India . Abstract P.No. 256.

Popular Articles/ Other Publications :

  • Dharajothi, B., Natarajan, K. and P. Sivagurunathan, 1997. “Paruthi Vethai Pagaivanai Virattum Vazhigal? Popular article in Tamil daily ?Dina Mani ?dated 23.6.1997.
  • Dharajothi, B., K.Natarajan and P.Sivagurunathan “Management of Pink boll worm?popular article in English. English Daily “The Hindu? dated June, 1997
  • B.Dhara jothi , T.Surulivelu and T.P.Rajendran (2003). Cotton Stem Weevil Management . Popular article appeared in the English daily, THE HINDU , dated November, 27, 2003.
  • B.Dhara jothi , T.Surulivelu and T.P.Rajendran (2003) . ?Vandin Pidiyil Vaadum Paruthi? Popular article in Tamil, appeared in the Journal , “ValarumVellanmai ?December (2003) published by TNAU, Coimbatore.
  • B.Dhara jothi , T.Surulivelu and T.P.Rajendran (2004). ?Thandilae Veekkama? Thaduppathu eppadi??Popular article in Tamil, appeared in the Journal , “ValarumVellanmai ?June (2004) published by TNAU, Coimbatore.
  • B.Dhara jothi , and T.Surulivelu.(2008).Paruthiyil Thandu Koon Vandu Thakkuthal matrum Mellanmai Muraigal. Popular article in Tamil, appeared in the Journal , “ValarumVellanmai ?June (2008) published by TNAU, Coimbatore.
  • B Dharajothi and N.Gopalakrishnan (2009) Mealybug-a new threat to cotton cultivation .Popular article published in the newspaper , “THE HINDU?dated 1.1.09.
  • B Dharajothi and N.Gopalakrishnan (2010). “Mavupoochi ?Paruthiurpathiyil oru thadaikal?popular article in Tamil,published in the extension Bulletin Uzavarin Vallarum Vellanmai, (1) 9, 46-47,published by Tamilnadu Agricultural University,Coimbatore
  • B.Dhara jothi,T,Surulivelu and T.R Manjula (2010). “Paruthiyil Orunginaindha Poochikolli Edirpu Mellanmai? Popular article in Tamil published in the extension Bulletin Uzavarin Vallarum Vellanmai , April, 2010 (1) 10, p.no 46-47, published by Tamilnadu Agricultural University,Coimbatore.

Newsletter

  • T.Surulivelu, B.Dhara jothi,P.Duraimurugan, T.R.manjula and P.Thilagam. (2006). Mirid Bug, Crentiodes biseratense (Distant) damage on cotton in Coimbatore. CICR Newsletter Sep-Dec,2006 , P.No-5,
  • J.Gulzar Banu,B.Dhara jothi and N.Gokte-Narkhedkar.(2007).Insecticidal toxin secreted by bacterial symbionts of native entomopathogenic nematodes.CICR Newsletter Jan-April (XXIII).1.5-6.
  • K.K.Bandyopadhyay, A.H.Prakash, K.Sankaranrayanan and B.Dhara jothi (2008).A method for accounting cotton biomass shed during crop growth. Article published in the CICR, Newsletter, 24(2).
  • M.Amutha,B.Dhara jothi,T.Surulivelu&N.Gopalakrishnan.Natural parasitism on mealy bug Phenacoccus solenopsis and Paracoccus marginatus at Coimbatore.CICR News letter vol.25 (1) January –March,2009,p.no 5.
  • B.Dhara jothi,T.Surulivelu,N.Gopalakrishnan, M.Amutha &T.R.Manjula. Natural occurrence of Spalgis sp (Lepidopter:Lycaenidae)as predator on mealybug Paracoccus marginatus Williams and Granara de Willink on cotton.CICR News letter,vol-25(2),April-June,2009,p.no-4.
  • S.vennila,P.Jeyakumar,V.V.ramamurthy,M.Amutha&B. Dhara jothi. Report on expanding list of Host Plants of papaya Mealy bug Paracoccus marginatus ,NCIPM News letter vol.15(1),January-June, 2009,p.No.9 .

Extension folders

  • Suraj (C.C.H.510-4) ,High Yielding Extra long staple American Cotton Variety. Folder published in Tamil by CICR, Regional Station, Coimbatore-641003.pp-1-13.
  • Mealy Bugs in Cotton and their Management. Folder prepared in English by B.Dhara jothi, T.Surulivelu, N.Gopalakrishnan and T.R.Manjula,CICR, Regional Station, Coimbatore-641003.pp-1-6.
  • Paruthiyil Mavupoochigal Martum Kattupaduthum Muraigal.Folder prepared in Tamil by B.Dhara jothi, T.Surulivelu, N.Gopalakrishnan and T.R.Manjula,CICR, Regional Station, Coimbatore-641003.pp-1-6.

Contribution to compendium of lecture notes

  • Farmers Field School for Cotton conducted by Department of Agriculture,Tamilnadu, TNAU and Cotton mills at CICr,RS,Coimbatore during 2005-06.Topic: ?Management of Cotton Stem weevil and its management?
  • Certificate Course for cotton farmers on ?Cotton Production Technology? conducted by CICR,Regional Station in collaboration with Directorate of open and Distance Learning ,TNAU,Coimbatore during October- December 2007. Topic: “Insecticide Resistance Management?
  • Model Training Course on , ?Cultivation of Long Staple Cotton (ELS) ?held during 15 th -22 nd December,2007,at CICR,RS, Coimbatore Topic: “Bollworm management in cotton production to meet the quality cotton requirements of the industry?
  • Training cum workshop on “Sustainability of Bt Cotton, Detection and Quantification of Cry Toxins?, held during 24 th to 26 th March, 2008 at Acharya N.G.Ranga Agricultural University , Hyderabad . Topic: ?Bt Hybrids Released in South India : Their properties and Features?
  • Training on ?Integrated Cotton Production ?held during 15 th -17 th December,2008 at CICR, RS, Coimbatore .. Topic: “Paruthiyil thandu koon vandu martrum mavu poochi thakudhalum avatrin maelanmai muraigalum?