00685naa a2200265 a 450000100080000000500110000800800410001910000160006024500640007626000090014050000240014965000140017365000150018765000180020265000260022065000120024665000110025865300080026965300140027765300130029165300140030470000150031870000220033377300640035517666351999-07-27       1999    bl uuuu     u00u1 u    #d1 aDUSI, A. N.  aEffect of plant density on the spread of Beet Mosaic Virus.  c1999  aResumo. Suplemento.  aPotyvirus  asugar beet  aBeta Vulgaris  aBeterraba Açucareira  aDoença  aVírus  aBMV  aDensidade  aDiseases  aPotivirus1 aPETERS, D.1 aWERF, W. van der.  tVirus Reviews & Research, Sao Paulogv.4, p.148, Nov. 1999.