TY - BOOK AU - GOKULAPALAN.C AU - Dr. M.CHANDRASEKHARAN NAIR TI - EFFECT OF PLANT PROTECTION CHEMICALS ON FOLIAR PATHOGENS AND PHYLLOPLANE MICROFLORA OF RICE U1 - J:4 N89 PY - 1989/// CY - COLLEGE OF AGRICULTURE VELLAYANI PB - DEPARTMENT OF PLANT PATHOLOGY ER -