na INLIS000000000000681 0010-0124000367 RICCE tungro disease management : proceedings of the International Workshop on Tungro Disease Management, 9-11 November 1998, IRRI, Philippines ed. by T.C.B. Chancellor; O. Azzam; and K.L. Heong Manila, Philippines International Rice Research Institute 1999 viii, 16 p. : ills. ; 23 cm. 971-22-0031-0 RICE RICE TUNGRO VIRUS MANAGEMENT DISEASE CONTROL IRRI. 035/2000