“…O. glaberrima, however, is abandoned largely because of its poor agronomic performance compared to high yielding O. sativa cultivars. The two cultivated species derive independently from different ancestor species but possess same AA genome (Morishima et al, 1963;Ohmido et al, 1995;Pental et al, 1985). Comparing with O. sativa, O. glaberrima is resistant to relevant pests, such as rice yellow mottle virus, blast, African rice gall midge, Heterodera sacchari, leafhopper (Attere et al, 1983;Khush, 1989;Reversat et al, 1995;Silue et al, 1991) and tolerance for stress, e.g.…”