01146cam a2200253 4500 agr68000309 DLC 20260227111031.0 691104s1968 dcua 000 0 eng c agr68000309 U.S. Nat'l Agr. Libr. DLC DLC 1 Ag84Ah no. 333 International Organization of Citrus Virologists. Committee on Indexing Procedures, Diagnosis, and Nomenclature. Indexing procedures for 15 virus diseases of citrus trees. Washington, Agricultural Research Service, U.S. Dept. of Agriculture, 1968. 96 p. illus. (part. col.) 23 cm. Agriculture handbook no. 333 Handbook prepared by the Committee in accordance with a recommendation made at the Organization's third conference held at Campinas and São Paulo, Brazil, 1963. Committee members: J. Bové and others. Citrus Diseases and pests. Virus diseases of plants. Virus diseases of citrus Testing. Agriculture handbook (United States. Department of Agriculture) ; no. 333. 12594 12594