Westcott, Cynthia 1898- creator Horst, R. Kenneth (Ralph Kenneth) 1935- text New York Van Nostrand Reinhold c1990 5th ed. monographic xvi, 953 p., [6] p. of plates : ill. (some col.) ; 24 cm. revised by R. Kenneth Horst Includes bibliographical references (p. 889-898) and index. n-us--- Plant diseases Handbooks, manuals, etc Phytopathogenic microorganisms Control Handbooks, manuals, etc Plant diseases United States Handbooks, manuals, etc Phytopathogenic microorganisms Control United States Handbooks, manuals, etc REF SB731 .W47 1990 632/.3 0442318537 89027795 UOEL 000 20150706100949.0 1036927