Citation:Rupasinghe, K. M. A. S. K., Ratnasekera, D., Subhashi, A. P. T. & Senanayake, G. (2013). Variability in some yield related traits of weedy rice populations in Matara and Ampara Districts in Sri Lanka. 10th Academic Sessions & Vice – Chancellor’s Awards, University of Ruhuna, Matara, Sri Lanka.