00652naa a2200229 a 450000100080000000500110000800800410001902200140006010000260007424501130010026000090021365000110022265000120023365000220024565000110026765300120027865300190029065300090030970000190031870000170033777300680035417515021994-06-20       1991    bl uuuu     u00u1 u    #d  a0100-41581 aSOUZA-DIAS, J.A.C. de  aNodal cuttings from "Duvira" potatoes with secondary leaf roll infection can originate virus free plantlets.  c1991  aBatata  aDoença  aSolanum Tuberosum  aVírus  aDisease  aEstacas Nodais  aPLRV1 aGAZOTTO, M. C.1 aCOSTA, A. S.  tFitopatologia Brasileira, Brasiliagv.16, n.3, p.188-190, 1991.