TABLE 2.

Description of Pi-ta variants based on a 928-amino-acid sequence in 159 accessions of seven Oryza species: O. sativa, O. rufipogon, O. nivara, O. meridionalis, O. glumaepatula, O. barthii, and O. glaberrima

^a The disease reactions for Pi-ta variants PT1, PT2, PT3, PT4, PT9, PT20, PT22, PT23, PT24, PT25, and PT26 were obtained from two U. S. races, IB17 and IB49 of M. oryzae (Wang et al. 2008 and this study). Disease reactions for PT5, PT7, PT14, PT17, and PT18 were marked according to the previous report of Huang et al. (2008). R, resistance; S, susceptibility.