na INLIS000000000035811 Ind 0010-0119000724 Barley yellow dwarf disease: recent advances and future strategies: proceedings of an international symposium, held at El Batan, Texcoco, Mexico, 1-5 Sept. 2002 INTERNATIONAL SYMPOSIUM ON BARLEY YELLOW DWARF DISEASE (2002: Mexico) editor M.Henry; A. McNab Mexico, D.F. CIMMYT 2002 139 p. : ill. ; 28 cm 139 p. : ill. ; 28 cm 633.16-238INTb Incl. Bibl. 633.16-238 BARLEY YELLOW DWARF LUTEOVIRUS DISEASE RESISTANCE PATHOGEN GENETIC RESISTANCE 169/2003