TY - BOOK AU - Toussoun,T.A. AU - Bega,Robert V. AU - Nelson,Paul E. ED - International Congress of Plant Pathology, TI - Root diseases and soil-borne pathogensc U1 - 581.2 22 PY - 1970/// CY - Berkeley PB - University of California Press KW - Soil microbiology KW - Congresses KW - Roots (Botany) KW - Diseases and pests N1 - Includes bibliographies ER -