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IJSTR >> Volume 2- Issue 6, June 2013 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



The Use Of Plant Parts In Pest Control Activities In Traditional Sri Lankan Agricultural Systems

[Full Text]

 

AUTHOR(S)

C.U. Widanapathirana, D.L.A.L.A Dassanayake

 

KEYWORDS

Index Terms: kem, Pest Management, Rice, Sri Lanka, Traditional Agriculture

 

ABSTRACT

Abstract: Sri Lankan Agriculturehas a very long history and was based on very successful and environmentally healthy principles.The insect Pest management practices known as “Kem” methods were very successfully performed with the use of plant based materials and cultural practices, in the form of religion based rituals. Even without a distinct knowledge of the chemical constituents of the plants they were using, the ancient Sri Lankan rice farmers had identified a set of indigenous plants to develop this successful system of plant protection. These methods of kemhad different modes of actions of, pesticidal effect, sticky traps,and light traps. With the development of the modern technology, the hidden success of the kemmethods can be explained as the right selection of the chemical basis of the plants on the respective insect species. Burning kaduru(Cerberamanghas)sticks near the paddy fields was a kem, effective against insect pests as a light trap as well as a use of chemical repellent. Cycasin is one of the constituents of the cycas(Cycascircinalis) and it has insecticidal and inhibitory properties. This clearly reveals that the modern findings match with the ancient fundamentals of kem. There are many plant species of this nature like, Warā’(Calotropisgigantea),Mella(Diospyrosovalifolia), Kappettiya(Croton laccifer), Daluk(Euphorbia antiquorum) etc. that were very systematically fitted with the traditional practices. This effort is to identify the scientific fundamentals of the traditional kem methods used in pest management that has been neglected at present Agricultural systems.

 

REFERENCES

[1]. Premathilake, T.R. and Epitawatta, D.S. (2001), Late quaternary vegetation climate and land use history of the Horton Plains, central Sri Lanka,Vidyodaya Journal of Science 10: 1 – 20.

[2]. Boadu,K.O., Tulashie, S.K.,Anang, M.A. and Kpan, J.D. (2011),Production of natural insecticide fromNeem leaves (Azadirachtaindica), Asian Journal of Plant Science and Research 1(4):33-38.

[3]. RajaMamannan,M.A. and Natarajan, G. M. (2010),Bio-safety evaluation of cycas seed extract on Tilapia, Oreochromismossambicus by oxidative metabolism, Journal of Biopesticides 3(1) : 232 – 236.

[4]. De Silva, W. A. P. P., Manuweera, G. K. and Karunaratne, S.H.P.P. (2008), Insecticidal activity of Euphorbia antiquorumL. latex and its preliminary chemical analysis, Journal of National Science Foundation Sri Lanka 36(1): 15-23.