000 00389nam a2200157Ia 4500
020 _a0122691806
082 _a632/FRY
100 _aFry, William E
245 _aPrinciples of plant disease management
260 _bAcademic Press
_aNew York
_c1982
300 _a378
650 _aPhytopathogenic microorganisms--Control
650 _aPlant diseases
901 _a2069
942 _2ddc
_cBK
999 _c1800
_d1800