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

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