1International Rice Research Institute, Los Baños, Laguna 403, Philippines
2Department of Soil and Crop Sciences, Texas A&M University, College Station, TX 77843, USA
3Department of Genetics and Plant Breeding, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur 1706, Bangladesh
4Institute of Crop Science, College of Agriculture and Food Science, Univerity of the Philippines Los Baños, Laguna 030, Philippines
5Institute of Biological Sciences, University of the Philippines Los Baños, Laguna 4031, Philippines JFIF d d Ducky d qhttp://ns.adobe.com/xap/1.0/