State Key Laboratory of Plant Genomics Institute of Microbiology Chinese Academy of Sciences(CAS) Beijing 100101 P.R.China;
CAS Center for Excellence in Biotic Interactions University of Chinese Academy of Sciences Beijing 100049 P.R.China;
Department of Biotechnology and Genetic Engineering Faculty of Applied Science and Technology Islamic University Kushtia 7003 Bangladesh;
rice; polyamines; NaCl; polyamine oxidase; guazatine;