2004•Journal of the National Science Foundation of Sri LankaOpen access

REPELLENCY AND TOXICITY OF FOUR ESSENTIAL OILS TO SITOPHILUS ORYZAE L. (COLEOPTERA: CURCULIONIDAE)

Priyani Ashoka Paranagama, K.H.T. Abeysekera, L. Nugaliyadde, Krishanthi Abeywickrama

Abstract

The Journal of the National Science Foundation of Sri Lanka publishes the results of research in all aspects of Science and Technology. The journal also has a website at http://www.nsf.gov.lk/. 2021 Impact Factor: 0.682The JNSF provides immediate open access to its content on the principle that making research freely available to the public supports a greater global exchange of knowledge.Cover :Cover: a) selected piece of graphite for graphene extraction; (b) successive scotch tape peeling of graphene layer (c) graphene transferred on to SiO2/Si substrate; (d) AFM image of the transferred graphene layer

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Key concepts: Sitophilus, Curculionidae, Sri lanka, Graphene, Cover (algebra), Substrate (aquarium), Nanotechnology, Materials science