3AKRAM M,REHMAN A,AHMAD M.Evaluation of rice hy-brids for yield and yield components in three different environ-ments[J].J Anim Pl Sci,2007,17(3-4):70-75.
4AKHTER M,SABAR M,ZAHID M A.Hybrid rice researchand development in Pakistan[J].Asian Journal of Plant Sci-ences,2007,6(5):795-801.
5AKRAM M,REHMAN A,AHMAD M,et al.Evaluation of rice hybrids for yield and yield components in three different environments[J].J Anim Pl Sci,2007,17(3/4):70-75.
6AKHTER M,SABAR M,ZAHID M A,et al.Hybrid rice research and development in pakistan[J].Asian Journal of Plant Sciences,2007,6(5):795.
8Department of Plant Production, Ministry of Food, Agriculture and Co - operatives, Government of Pakistan. P akistan Plant Quaran- tine Act [Z] . 1976.
9Plant Quarantine Division, Department of Plant Production, Min- istry of Food, Agriculture and Co - operatives, Government of Pa- kistan. Pakistan Plant Quarantine Rules [ Z] . 1967.
10Food and Agriculture Division, Ministry of Agriculture and Works, Government of Bangladesh. Destructive Insects and Pests Rules, 1966 (Plant Quarantine) [Z] . 1967.