Risva, A.S.M.; Iqbal, Y.B.; De Silva, C.S.
(University of Jaffna, 2020)
Weedy rice (WR) (Oryza sativa f. spontanea)was first reported in 1990 and
it is occurring with varying population densities in all agro-ecological zones in Sri
Lanka. Location field trial was conducted on rice field in ...