Comparative Cruciferous Host Symptoms of Turnip Mosaic Virus Isolated in Taiwan

Abstract

Turnip mosaic virus (TuMV) were recovered from cruciferous vegetables in the central and southern part of Taiwan. Using mechanical transmission to Brassica spp. and other test plants, different symptoms were produced by different strains of TuMV. Host reactions of TuMV which infected Brassica spp. and Raphanus sativus, producing mottle, motle, mosaic to black ringspot symptoms. TuMV did not infect the following test plants: Datura stramonium, Lycopersicum esculentum, Cucurbita moschata, Cucumis melo, Lactuca sativa var. crispa, Phaseolus vulgaris, Vigna radiate, V. sesquipedalis, Capsicum annuum cv. Hsin-Hsin and C. frutescens cv. Chieng-Hsiang. The radish strain of TuMV did not infect Brassica oleracea var. acephala, B. O. var. botrytis, B. O. var. capitata and B. O. var. italica. More details of different symptoms on cruciferous vegetables were discussed.