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Keywords: wild rices Oryza spp., exploration to locate new wild rices, Oryza nivara, Oryza minuta, Oryza brachyantha, Oryza granulata, rice breeding programs, wide crosses, host plant resistance to insect pests, list of wild ricespecies, gene banks, Oryza offcinalis was found to be resistant to rice leafhoppers and planthoppers