00481naa a2200169 a 450000100080000000500110000800800410001910000180006024500840007826000090016270000180017170000190018970000200020870000160022870000200024477300470026416141281995-06-27       1989    bl ---       0--  u    #d1 aRUSSIN, J. S.  aSeverity of soybean stem canker disease affected by insect-induced defoliation.  c19891 aLAYTON, M. B.1 aBOETHEL, D. J.1 aMCGAWLEY, E. C.1 aSNOW, J. P.1 aBERGGREN, G. T.  tPlant Diseasegv.73, n.2, p.144-147, 1989.