00364naa a2200121 a 450000100080000000500110000800800410001910000200006024500820008026000090016270000170017177300540018818392072010-01-10       1989    bl ---       0--  u    #d1 aTHOMPSON, D. C.  aWheat (Triticum aestivum L.) black chaff, Xanthomons campestris pv. Undulosa.  c19891 aSOUZA, E. J.  tBiological and Cultural Testsgv. 4, p. 51, 1989.