00461naa a2200169 a 450000100080000000500110000800800410001910000200006024500590008026000090013965000110014865000090015965000100016865300220017870000190020077300720021918336862010-01-10       1930    bl ---       0--  u    #d1 aSIMMONDS, P. M.  aRoot amputations in the study of root-rots of cereals.  c1930  aCereal  aRaiz  aTrigo  aDoença radicular1 aSALLANS, B. J.  tProceedings of the Canadian Phytopathology Society, p. 33-43, 1930.