All glory to my Lord and Saviour, Jesus Christ who perfects that which concerns meDr. P.P. Joy, Associate Professor of Agronomy, Kerala Agricultural University, AMPRS, Odakkali, Asamannoor-683 549, Ernakulam, Tel:+91-484-2658221, Fax:+91-484-2659881, Email:amprs@satyam.net.in, amprskau@gmail.com     Res: Pazhampillil, Kummanode, Pattimattom P.O., Ernakulam, Kerala, India, PIN-683 562, Tel:+91-484-2689105, Email:joyppkau@gmail.com, joysujapaul@hotmail.com

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Publications

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Books/Chapters           Research Journal Articles            Popular Articles

Reports/Bulletins/Symposia/Seminars/Workshops

Externally aided Projects and Reports                                   Malayalam

Full List  

1985

Joy, P.P. 1985. Azolla: Potentials and limitations. Science Reporter, 22(5): 310.

1985

Joy, P.P. and Havanagi, G.V. 1985. Effect of different levels of nitrogen, phosphorus and azolla on rice. Int. Rice Res. Newsl. 10(4):25-26.

1986

Joy, P.P., Rajaram, K.P. and James, K.I. 1986. A rice-grain legume cropping system. Int. Rice Res. Newsl. 11(6): 37-38.

1988

Joy, P.P. and Havanagi, G.V. 1988. Studies on the integrated use of fertiliser Nitrogen, Phosphorus and azolla biofertilizer on rice. Mysore J. agric. Sci. 22(2):436-443.

1989

Joy, P.P. and Havanagi, G.V. 1989. Effect of nitrogen, phosphorus and cropping method on azolla productivity. Int. Rice Res. Newsl. 14(3):28-30.

1989

Thomas, J.,  Joy,  P.P. and Geetha, K. 1989. Optimum method of planting in lemongrass.  Indian Perfumer, 33(2):102-103.

1990

Joy,  P.P.  and Thomas, J. 1990. Determination of  leaf  area  in lemongrass. Indian Perfumer, 34(1):14-19.

1990

Syriac,  E.K.,  Joy,  P.P.,  Koruth,  A.  and  Nair,  M. S. 1990.  Agrotechniques for rice production. In Aravindakshan, M. and Nair, R.R. (Eds.). 1990. Five Decades of  Rice  Research   in  Kuttanad.  Kerala Agricultural University, Trichur. pp.34-50.

1990

Thomas,   J.,  Geetha,  K.  and  Joy,  P.P.   1990.  Comparative performance of lemongrass species. Indian   Perfumer, 34(3):171-172.

1990

Thomas,  J.,  Geetha, K. and Joy, P.P. 1990. Effect of  lime  and   nitrogen  sources on the yield and quality of palmarosa.  Int. J.  Trop. Agri., 8(1):29-31.

1991

Joy, P. P., Syriac, E.K., Nair, N.P., Nair, P.K.C. and Joseph, C.A. 1991. Weed control economics in transplanted rice. Int. Rice Res. Newsl. 16(6):26.

1991

Joy, P.P., Bridgit, T.K. and Neema, V.P. 1991. Input contribution in summer cowpea. Legume Research, 14 (1):33-36.

1991

Joy, P.P., Syriac, E.K., Nair, N.P., Nair, P.K.C. and Joseph, C.A 1991. Weed control in wet seeded rice in Kerala, India. Int. Rice Res. Newsl. 16(6):25

1991

Syriac, E.K., Joy, P.P., Nair, N.P., Girija, D. and Joseph, C.A. 1991. Effect of potassium application levels and time on rice. Int. Rice Res. Newsl. 16(6):18

1992

Joy, P. P., Syriac, E.K. and Nair, N.P. 1992. Studies on chemical weed control in transplanted rice in Kerala. Proc. Fourth Kerala Science Congress, Thrissur, 27-29 Feb, 1992, pp. 90-93.

1992

Joy, P. P., Syriac, E.K., Nair, N.P. and Joseph, C.A. 1992. Evaluation of herbicides for transplanted rice in Kerala, India. Int. Rice Res. Newsl. 17(2):29.

1992

Joy, P. P., Syriac, E.K., Nair, P.K.C., Ittyaverah, P.J. and Joseph, C.A. 1992. Long-term effect of inorganic fertilisers, lime and straw on lowland rice of Kerala. Int. Rice Res. Newsl. 17(3):16.

1992

Syriac, E.K., Joy, P. P., Nair, N.P. and Joseph, C.A. 1992. Potassium management in transplanted lowland rice. Proc. Fourth Kerala Science Congress, Thrissur, 27-29 Feb, 1992, pp. 110-111.

1993

Bridgit, T.K., Neema, V.P. and Joy, P.P. 1993. Response of cowpea genotypes to dates of sowing. J. Trop. Agri. 31(2):266-268.

1993

Joy, P. P., Syriac, E.K., Ittyaverah, P.J. and Joseph, C.A. 1993. Herbicide technology for weed control in lowland rice of Kerala. Proc. Fifth Kerala Science Congress, Kottayam, 28-30 Jan, 1993, pp. 135-137.

1993

Joy, P.P. and Havanagi, G.V. 1993. Effect of different levels of nitrogen, phosphorus and azolla on an azolla-rice cropping system.  In Nair, R. R., Nair, K.P.V. and Joseph, C.A. (Eds.).1993. Rice in wetland ecosystem. Kerala Agricultural University, Vellanikkara-680 654, Thrissur, Kerala. pp.71-75

1993

Syriac, E.K., Joy, P. P., Ittyaverah, P.J. and Mathew, R. 1993. Efficacy of herbicides for weed management in Kuttanad rice fields. Proc. Fifth Kerala Science Congress, Kottayam, 28-30 Jan, 1993, pp. 189-190.

1993

Thomas, J. Mathew, S., Kuriakose, K.P., Joy, P. P. and Jose, G. 1993. Aromatic and Medicinal Plants Research Station, Odakkali, at a glance. Kerala Agricultural University, Thrissur. 14p.

1993

Thomas, J., Joy, P.P., Mathew, S and Kuriakose K. P. 1993. High production technology for tropical essential oils. Indian Perfumer 37(1): 29 - 34

1995

Joy, P. P, Thomas J., Mathew, S., Jose, G. and Joseph, J. 1995. Aromatic Plants. Aromatic and Medicinal Plants Research Station, Odakkali, Asamannoor PO, Kerala.

1996

Joy, P. P., Thomas, J., Mathew, S. and Jose, G. 1996. Elite cinnamon types for leaf oil and eugenol. Proc. eighth Kerala Sci. Cong. 27-29 Jan 1996, Kochi. pp. 143-144.

1997

Skaria, B.P., Thomas, J., Mathew, S. and Joy, P.P. 1997. Record of the Red Pierrot, Talicada nyseus (Guerin), (Lycaenidae: Lepidoptera) on Kalanchoe spp. In Kerala. Insect Env. 3(3):72-73

1997

Thomas, J., Joy, P.P. and   Mathew, S. 1997. Cultivation and utilisation of  Kaempferia galanga Linn.  In Handa, S. S. and Kaul, M. K. (Eds.). 1997. Supplement to Cultivation and Utilisation of Aromatic Plants. RRL, Jammu, India. pp.299-305.

1998

Joy, P. P,  Thomas J.,   Mathew, S., and Skaria, B. P. 1998. Medicinal Plants. Aromatic and Medicinal Plants Research Station, Odakkali, Asamannoor PO, Kerala.

1998

Joy, P. P,  Thomas J.,   Mathew, S., and Skaria, B. P. 1998. Tropical Aromatic and Medicinal Plants. Aromatic and Medicinal Plants Research Station, Odakkali, Asamannoor PO, Kerala, India.

1998

Joy, P. P,  Thomas J.,   Mathew, S., and Skaria, B. P. 1998. Zingiberaceous Medicinal and Aromatic Plants. Aromatic and Medicinal Plants Research Station, Odakkali, Asamannoor PO, Kerala, India.

1998

Joy, P. P,  Thomas J., and Mathew, S. 1998. Cinnamon (Cinnamomum verum Presl.) for flavour and fragrance. PAFAI Journal, 20(2):37-42.

1998

Joy, P. P,  Thomas J., Mathew, S. and Ibrahim K. K. 1998. Growth, leaf oil yield and quality investigations in cinnamon (Cinnamomum verum). J. Med. Arom. Pl. Sci., 20(2):401-406.

1998

Joy, P. P., Thomas J. and Mathew, S. 1998. Growth and yield correlations in cinnamon (Cinnamomum verum Presl.). Proc. 10th Kerala Science Congress, 2-4 Jan 1998, Kozhikode, pp 196-198.

1998

Thomas J., Joy P. P. and Mathew, S. 1998. Subsurface dike for ground water conservation. Proc. 10th Kerala Science Congress, 2-4 Jan 1998, Kozhikode, pp 510-512.

1998

Thomas J., Joy, P. P., Mathew, S.,  Skaria, B.P. 1998. Indigenous less-known essential oils - A perspective. PAFAI Journal, 20(1):13-20.

1998

Thomas J., Mathew, S.,  Joy, P. P., Skaria, B.P. 1998. Genetic resources and diversity in lemongrass in Kerala. Paper presented at the Golden Jubilee National Symposium on Spices, Medicinal and Aromatic Plants: Biodiversity Conservation and Utilisation, 10-12 Aug 1998, Calicut, Kerala.

1998

Thomas J., Mathew, S.,  Joy, P. P., Skaria, B.P. 1998. Problems of essential oil industry in Kerala. Paper presented at the brain storming session on “Aromatic Crop Industry at Cross Roads”, Indian Institute of Horticultural Research, Hasserghatta, Bangalore, 24 July 1998.

1999

Joy, P. P,  Thomas J., and Mathew, S.1999. Standardisation of agrotechniques in lesser known aromatic and medicinal plants of Zingiberaceae. Final Report of ICAR Ad-hoc Scheme. Aromatic and Medicinal Plants Research Station, Odakkali, Asamannoor PO, Kerala.

1999

Thomas, J., Joy, P. P., Mathew, S. and Skaria, B. P. 1999. Development of Medicinal and Aromatic Plants- Outlook for the next millennium. Indian J. Arecanut, Spices and Medicinal Plants, 1(2):38-41.

1999

Joy, P. P. and  Thomas J. 1999. Glory lily (Gloriosa superba)- A medicinal plant. Indian J. Arecanut, Spices and Medicinal Plants, 1(2):65-66.

2000

Thomas, J., Joy, P. P., Mathew, S. and Skaria, B. P. 2000. Plant sources of aroma chemicals and medicines in India. Chemical Industry Digest (Special millennium issue) 104-108.

2000

Thomas, J., Joy, P. P., Mathew, S., Skaria, B. P., Duethi, P. P. and Joseph, T. S. 2000. Agronomic Practices for Aromatic and Medicinal Plants. Kerala Agricultural University (Aromatic and Medicinal Plants Research Station, Odakkali, Asamannoor PO) and Directorate of Arecanut & Spices Development (Min. of Agri., Govt. of India), Calicut, Kerala, India. 124p.

2001

Bose, T. K., Kabir, J., Das, P. and Joy, P. P. 2001. Tropical Horticulture Vol. 2. Naya Prokash, 206, Bidhan Sarani, Calcutta-700 006, India. 771 p.

2001

Joy, P. P,  Thomas J., Mathew, S., and Skaria, B. P. 2001. Medicinal Plants. In Bose, T. K., Kabir, J., Das, P. and Joy, P. P. 2001. Tropical Horticulture Vol. 2. Naya Prokash, 206, Bidhan Sarani, Calcutta-700 006, India. Pp 449-632.

2001

Joy, P. P,  Thomas J., Mathew, S., Jose, G. and Joseph, J. 2001. Aromatic plants . In Bose, T. K., Kabir, J., Das, P. and Joy, P. P. 2001. Tropical Horticulture Vol. 2. Naya Prokash, 206, Bidhan Sarani, Calcutta-700 006, India. Pp 633-733.

2001

Joy, P.P., Thomas, J., Mathew, S. and Skaria, B.P. 2001. Influence of harvest duration on the yields of rhizome, root, shoot and their oils in Alpinia galanga. J. med. arom. Pl. Sci. 23(3):341-343

2001

Joy, P.P., Thomas, J., Mathew, S. and Skaria, B.P. 2001. Scope of medicinal, aromatic and dye yielding crops in Kerala. National seminar cum workshop on “Scope of medicinal, aromatic and dye yielding crops in dry land agriculture”, 11-13 Dec 2001, CRIDA, Hyderabad-500 059

2002

Thomas, J., Joy, P. P., Mathew, S. and Skaria, B. P. 2002. Under-exploited herbal spices of high medicinal value. Souvenir of National consultative meeting for accelerated production and export of spices, May 29-30, 2002, Calicut. Directorate of Arecanut and Spices Development, (Dept. of Agri. & Coop.), Min. of Agri., GoI, Calicut-673 005, pp. 67-71.

2002

Joy, P.P,  Thomas J., Mathew, S., and Skaria, B.P. 2002. Effect of drying and storage methods on the quality of Kaempferia rotunda rhizome. Proc. 14th Kerala Sci. Congr., Kochi, 29-31 Jan 2002, pp. 165-168

2002

Joy, P.P,  Thomas J., Mathew, S., and Skaria, B.P. 2002. Agrotechniques for the cultivation of Curcuma zedoaria (Berg.) Rosc. Ancient Sci. Life 21(4):260-267

2002

Joy, P.P., Balachandran, P.V. and Mathew, G. 2002. Integrated nutrient management studies on the growth and yield of rice in the humid tropic Oxisols. National symposium on Priorities and strategies for rice research in high rainfall tropics, 10-11 Oct 2002. Abstract of contributed papers, Abstract No.RA-45, RARS, Pattambi, KAU, pp. 45-46

2003

KAU. 2003. Central sector scheme for development of agrotechniques and cultivation of medicinal plants used in Ayurveda, Siddha, Unani and Homoeopathy, Final Report (1998-2002). Kerala Agricultural University, Aromatic and Medicinal Plants Research Station, Odakkali, Asamannoor P.O., Ernakulam, India, 73 p.

2003

Joy, P. P. 2003. Agrotechnological practices for quality crude drug production in nilappana (C. orchioides Gaertn.). Ph. D. thesis. Kerala Agricultural University, KAU P.O., Thrissur, Kerala, India, 274 p.

2003

Thomas, J., Joy, P. P., Mathew, S., Skaria, B. P., Joseph, T. S. and Mathew, G. 2003. Aromatic and Medicinal Plants and their Cultivation (Malayalam). Kerala Agricultural University (Aromatic and Medicinal Plants Research Station, Odakkali, Asamannoor PO) and Directorate of Arecanut & Spices Development (Min. of Agri., Govt. of India), Calicut, Kerala, India. 143 p.

2003

Mathew, S., Joy, P. P., Mathew, G. Skaria, B. P., and Thomas, J. 2003. Standardisation of quality control of herbal drugs. Proc. Seminar Evolving action plan to facilitate the development and utilisation of medicinal plants, 19 July 2003, KINFRA, Thiruvananthapuram-695 010

2003

Skaria, B. P., Mathew, S., Mathew, G. and Joy, P. P. 2003. Constraints and strategies for the development of medicinal and aromatic crops in India. National seminar on New perspectives in spices, medicinal and aromatic plants, 27-29 Nov 2003, ICAR Complex for Goa, Old Goa 403 402. Abstract 251

2003

Bridgit, T.K., Mathew, G., Menon, P.K.G., Anilakumar, K., Beena, C., Mathew, J., Alexander, D., Joy, P.P. and Balachandran, P.V. 2003. Management of rice in relation to growth and productivity. 75 Years of Research (eds. Nair, R.R., Jyothi, M.L. and Balachandran, P.V.) Regional Agricultural Research Station, Pattambi, Kerala Agricultural University, Kerala, India, pp. 51-94

2003

Mathew, G.,  Skaria, B.P.,  Thomas, J., Mathew, S. and Joy, P.P. 2003.  Agrotechniques of selected medicinal plants suited for homesteads of Kerala.  Abstract of papers.  National workshop on Homestaed farming. March 6-7, 2003. Kerala Agricultural University, Farming System Eresarsch Satiaion, Sadanadapuram. P.2

2004

Skaria, B.P.,  Joseph, R., Joy, P.P., Mathew, S. and Mathew, G.  2004. Myristica contorta warb. – A potential wild nutmeg species for root stock and hybridization.  Proceedings of National  Seminar on ‘Research and development in production, protection, quality, processing and marketing of medicinal and aromatic plants. Feb 27-29, 2004. p. 82

2004

Skaria, B.P.,  Joseph, R., Mathew, G.,  Mathew, S.  and Joy, P.P. 2004.  Stevia – a sweet herb. Indian Journal of Arecanut, Spices and Medicinal Plants.  6(1): p.24-27

2004 Joy, P.P., Thomas, J., Samuel Mathew, Skaria, B.P. 2004. Curculigo orchioideds : A plant for health care. Indian J. Arecanut, Spices and Medicinal Plants. 6(4):131-134.

2004

Joy, P.P., Mathew, S., Savithri, K.E., Skaria, B.P. and Kurien, K. 2004. Quality variations in black musli (Curculigo orchioides Gaertn.) Ancient Science of Life 24(1):45-51
2004 Joy, P.P., K.E. Savithri,  Samuel Mathew and Skaria, B.P. 2004. Growth, yield and quality of two biotypes of black musli (Curculigo orchioideds) Gaertn. J. Med. Arom. Pl. Sci., 26(4):684-692.
2004 Joy, P.P., K.E. Savithri,  Samuel Mathew and Skaria, B.P. 2004. Effect of shade and spacing on growth, yield and quality of black musli (Curculigo orchioideds) Gaertn. J. Med. Arom. Pl. Sci., 26(4):707-716.

2005

Joy, P.P, Savithri, K.E., and Mathew, S. 2005. Nutritional requirement of black musli (Curculigo orchioides). Proc. 17th Kerala Sci. Congr., KFRI, Peechi, 29-31 Jan 2005, pp. 28-29

2005

Skaria, B.P., Mathew, G.  and Joy, P.P. 2005. Studies on establishment and growth of medicinal trees. Proc. 17th Kerala Sci. Congr., KFRI, Peechi, 29-31 Jan 2005, pp. 18-19

2005

Skaria, B.P.,  Joy, P.P.., Mathew, G., and Skaria, B.P.,  Joy, P.P.., Mathew, G., and Mathew, S. 2005. Spices of Kerala in traditional medicine. Proc. National seminar on Recent advances in medicinal and aromatic plants. 15-17 Feb 2005, SVBPUA & T, Meerut 2005, SVBPUA & T, Meerut.

2005

Joy, P.P., Savithri, K.E., Samuel Mathew. and Thomas, J. 2005. Optimum shade and spacing for black musli (Curculigo orchioides Gaertn.). National Seminar on Achievements and opportunities in postharvest management and value addition in root and tuber crops (NSRTC 2), 19-20 July 2005, CTCRI, Sreekariyam. Abstracts of Papers, p.114.

2005

Joy, P.P., Savithri, K.E., Samuel Mathew. and Thomas, J. 2005. Growth, yield and quality relations in black musli (Curculigo orchioides Gaertn.). National Seminar on Achievements and opportunities in postharvest management and value addition in root and tuber crops (NSRTC 2), 19-20 July 2005, CTCRI, Sreekariyam. Abstracts of Papers, pp.101-102.

2005

Gracy Mathew, Joy, P. P., Baby P. Skaria and Samuel Mathew. 2005. Cultivation prospects of tuberous medicinal plants. National Seminar on Achievements and opportunities in postharvest management and value addition in root and tuber crops (NSRTC 2), 19-20 July 2005, CTCRI, Sreekariyam. Abstracts of Papers, pp.81-82.

2005

Samuel Mathew, Joy, P.P., Savithri, K.E., Baby P. Skaria and Kochurani Kurien. 2005. Variations in phenolic glycosides in Kalimusli (Curculigo orchioides). J. Med. Arom. Pl. Sci., 27(1):43-48.

2005 Joy, P.P., Samuel Mathew, Baby P. Skaria and J. Thomas. 2005. Effect of spacing and manuring on growth, yield and quality of Alpinia calcarata (Linn.) Willd. Paper presented at the fifth National Congress on Medicinal Plants – “Evidence based herbal drugs- Prospects and challenges”. Oushadhi, Priyadarshini Planetarium, Thiruvananthapuram, 4-5 Dec, 2005.
2005 Joy, P.P., K.E. Savithri, Samuel Mathew and Baby P. Skaria. 2005. Agrotechnology for the cultivation of black musli (Curculigo orchioides Gaertn.). Proc. Vaidyaratnam Global Summit on Ayurveda & Expo 05, 9-11 Dec.2005, Trissur. Seminar Abstracts and Papers, Ashtavaidyan Thaikkattu Mooss, Vaidyaratnam Oushadhasala, Thrissur.
2005 Joy P. P., Baby P. Skaria,  Samuel Mathew and Gracy Mathew. 2005. Cinnamon for flavour and aroma. Indian J. Arecanut, Spices and Medicinal Plants. 7(1):1-6.
2005 Joy, P.P., K.E. Savithri, Mathew S, Thomas J.  and Kurien K. 2005. Effect of sole and combined application of FYM and fertilizer on growth, yield and quality of black musli (Curculigo orchioides) Gaertn. J. Med. Arom. Pl. Sci., 27(3):454-461.
2006 Joy, P.P., Samuel Mathew, Baby P. Skaria and J.  Thomas. 2006. Effect of spacing, mulching, manuring and post harvest handling on growth, yield and quality of Kaempferia rotunda Linn. Extended Abstracts, XVIII Kerala Science Congress, 29-31 January 2006, Centre for Earth Science Studies, Akkulam, Thiruvananthapuram – 695 031, pp. 59-61.
2006 Baby P. Skaria, P.P. Joy, Samuel Mathew and J.  Thomas. 2006. Influence of different levels of spacing and manuring on growth, yield and quality of Alpinia calcarata (Linn.) Willd. Abstracts, National seminar on Growing, processing, value addition, certification and marketing of medicinal and aromatic plants, 6-8 February 2006, State Forest Research Institute, Polipathar, Jabalpur, MP-482 008, Abstract S-II/5.
2006 Joy, P.P., Samuel Mathew, Baby P. Skaria and Gracy Mathew. 2006. Agronomic practices for quality production of Kaempferia rotunda Linn. Proc. National seminar on medicinal plants 2006, 27-28 March 2006, Dept of Pharmacognozy, Govt. Ayurveda College,  Thiruvananthapuram
2006 Samuel Mathew, Baby P. Skaria, Joy, P.P. and Gracy Mathew. 2006. Authentication of crude drugs by TLC profiling. Proc. National seminar on medicinal plants 2006, 27-28 March 2006, Dept of Pharmacognozy, Govt. Ayurveda College,  Thiruvananthapuram

2006

Baby P. Skaria, Ragina Joseph and  P.P. Joy. 2006. Tuberose: A perfumery plant.Indian J. Arecanut, Spices and Medicinal Plants, 8(1):17-20.

2006

Joy, P.P., Baby P. Skaria, Samuel Mathew, Gracy Mathew and Ancy Joseph. 2006. Lemongrass: The fame of Cochin. Indian J. Arecanut, Spices and Medicinal Plants, 8(2):55-64.

2006

Baby P. Skaria, P.P. Joy, Samuel Mathew and Gracy Mathew.2006. Lemongrass. Handbook of Spices Vol.3 (Ed. K.V. Peter). Woodhead Pub. Pvt. Ltd., Cambridge, UK, pp. 400-419.

2006

P.P. Joy, Baby P. Skaria, Samuel Mathew, Gracy Mathew, Ancy Joseph and P.P. Sreevidya. 2006. Lemongrass. Aromatic and Medicinal Plants Research Station Odakkali, Asamannoor, Kerala

2007

Joy, P. P, Samuel Mathew, Baby P. Skaria and Gracy Mathew.2007. Development of lemongrass oleoresin for flavouring. Final Report of ICAR Cess Fund Scheme. Aromatic and Medicinal Plants Research Station, Odakkali, Asamannoor PO, Kerala.

2007

Baby P. Skaria, P.P. Joy, Samuel Mathew, Gracy Mathew, Ancy Joseph and Ragina Joseph. 2007. Aromatic Plants. In Horticulture Science Series – I (Ed. K.V. Peter). New India Publishing Agency, New Delhi, 270p.