Citation:Subhashi, A. P. T., Ratnasekara, D., Rupasinghe, K. M. A. S. K. & Senanayake, G. (2013). Diversity of AWN characteristics of weedy rice populations in Matara and Ampara in Sri Lanka. 10th Academic Sessions & Vice – Chancellor’s Awards, University of Ruhuna, Matara, Sri Lanka.