Cong Vinh Kieu and Ho Le Thi 2023. Assessing the risk and morphological characteristics of weedy rice outbreak in Thap Muoi district, Dong Thap province, Vietnam. Vietnam Journal of Science, Technology and Engineering. 65, 4 (Dec. 2023), 77-83. DOI:https://doi.org/10.31276/VJSTE.65(4).77-83.