TY - BOOK AU - Manners,J.G. TI - Principles of plant pathology SN - 0521434025 (hardback) AV - SB731 .M37 1993 U1 - 632/.3 20 PY - 1993/// CY - Cambridge [England], New York, NY, USA PB - Cambridge University Press KW - Plant diseases N1 - Includes bibliographical references (p. 285-322) and index ER -