00000cam a22000004i 4500 UP-1685594773861133018 Buklod 20070906145103.0 m |o d | ta 170420s1969 azua r |||| u|eng d (iLib)UPBAG-00000003887 Ohio BAG rda eng SB 601 S87 Streets, Rubert Burley author. The diagnosis of plant diseases a field and laboratory manual Robert B. Streets. Tucson Cooperative Extension Service Agricultural Experiment Station 1969. 1 v. (various pagings) illustrations 28 cm Plant diseases Laboratory manuals. Arizona University Agricultural Extension Service. University of Arizona. Agricultural Experiment Station. UPBAG UPBAG-MAIN SB 601 S87 Book