IRRI-8 rice was developed in the Philippines by crossing Peta rice from Indonesia and Dee-gee-woo-gen rice from Taiwan. The yield of IRRI-8 rice is 90-100 maunds per acre. The yield of IRRI-5 rice is 70-75 maunds per acre. High yielding IRRI rice is IRRI-20, IRRI-28, IRRI-29 etc.
Ericile rice was developed by artificial breeding between Peta rice from Indonesia, TKM-6 rice from India and Tichu-1 rice. The yield of this rice is 70-75 maunds per acre. Erishail rice is widely cultivated at the farmer level.
Bangladesh Rice Research Center developed Birishail rice by crossbreeding BR-20 and BR-3. The four Ufshi varieties of rice developed by the Bangladesh Rice Research Center are Chandina (BR-1), Mala (BR-2), Shahi Balam (BR-15) and Shrabani (BR-26).