Somaratne, S.; Karunarathna, K.D.K.; Weerakoon, S.R.; Abeysekera, A.S.K.; Weeresena, O.V.D.S.J.
(Faculty of Science, University of Ruhuna, Matara, Sri Lanka, 2014-01-22)
Weedy rice (WR) was first reported in 1990 and it is reported in varying
population densities from all agro-ecological zones in Sri Lanka. The main
problem faced by the famers and the agronomist is the identification ...