1. Institute of Tropical Agriculture; Universiti Putra Malaysia; Serdang Selangor 43400 Malaysia
2. Department of Agronomy and Plant Breeding; Shahr-e-Rey Branch; Islamic Azad University; Tehran Iran
3. Department of Crop Science; Faculty of Agriculture; Universiti Putra Malaysia; Serdang Selangor Malaysia
4. Agrotechnology and Bioscience Division; Malaysian Nuclear Agency; Bangi Kajang Selangor Malaysia
5. Bangladesh Rice Research Institute (BRRI); Plant pathology division; Gazipur 1701 Bangladesh