TY - BOOK AU - SINGH,R.S TI - INTRODUCTION TO PRINCIPLES OF PLANT PATHOLOGY SN - 8120415515 U1 - 581.2,SIN PY - 2016/// CY - NEW DELHI PB - OXFORD & IBH KW - PLANT PATHOLOGY KW - HISTORY OF PLANT PATHOLOGY, CAUSES OF PLANT DISUSES, PATHOGENESIS ER -