Oryza glaberrima arrival of African rice in histories. Asian rice came to West Africa in the late 1800s, and by the late twentieth century had substantially supplanted native African rice. However, African rice was still used in specific, often marginal habitats, and preferred for its taste Farmers may grow African rice to eat and Asian rice to sell, as African rice is not exported. The 2007 food price shocks drove efforts to raise rice production. Rice-going regions of Africa are generally net rice importers (partly due to a lack of good local rice-processing capacity) so price increases hurt. Among the efforts to
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