Oryza glaberrima massive paleolakes in what is now the Western Sahara. As the climate dried, the wild rice retreated and probably became increasingly domesticated as it relied on humans for irrigation. Rice growing in deeper, more permanent water became floating rice. It is believed to have been domesticated 2000–3000 years ago in the inland delta of the Upper Niger River, in what is now Mali. It then spread through West Africa. It has also been recorded off the "east" coast of Africa, in the Zanzibar Archipelago. Wild rice seedheads shatter, scattering the rice grains to seed the next generation. Domestic rice does
Saluria inficita the plants show dried up shoots and turn yellow. Damage can controlled by hand picking, pheromone usage, light traps and usage of chemical insecticides such as carabaryl, methyl parathion, phosphomidon or dimethoate. Saluria inficita Saluria inficita, the white stem borer, is a moth of the family Pyralidae. The species was first described by Francis Walker in 1863. It is found in India and Sri Lanka. Its caterpillars are pests of "Eleusine coracana", "Oryza sativa", "Setaria italica" and "Zea mays". The adult has brownish wings. A pale white band runs along the margin of forewings. Hindwings white. The caterpillar is whitish