Kinds of Virus Causing Viral Disease on Sichuan Zha-Cai (Brassica juncaa var. tumida) as Detected by ELISA Method
Abstract: In 1990—1991. from the fields in near- and-far suburb of nine counties or municipalities in Siehuan province, 492 accessions of Brassica juncea plant showing viral disease symptom were collected both in the initial and the prevalent period of the disease and were subjected to indirect ELISA tests with 6 kinds of antiserum—— TuMV, CMV. TMV. PVX. PVY. CaMV—— in an attempt to find their causal agent. 422 speeimens, accounting for85.77%, of the total, showed reaction with TuMV antiserum or with antiserum of one...