TY - BOOK AU - Bélanger,Richard R. TI - The Powdery mildews: a comprehensive treatise SN - 0890542910 AV - SB741.P72 U1 - 632.43 21 PY - 2002/// CY - St. Paul, Minn. PB - APS Press, American Phytopatholgical Society KW - Powdery mildew diseases KW - Local KW - Erysiphaceae N1 - Includes bibliographical references and index ER -