00473 2200157 4500001002100000008004100021035002000062245006300082100003500145260002600180300004900206082001400255650002000269650001400289990001200303INLIS000000000003512 Ind  a0010-1118003512 aProduction of pathogen-tested sweet potatocBEETHAM, Peter aPeter Beetham and Angela Mason aCanberrabACIARc1992 a47 p.: ill.; 24 cm.--c47 p.: ill.; 24 cm.-- a633.492-2 aIPOMOEA BATATAS aPATHOGENS a4/MS/93