| Abstract: | A survey of virus diseases of soyabean, mung bean (Vigna radiata) and groundnut was undertaken in East Java, Indonesia. Leaf samples were collected from 8 different locations and tested by DAS-ELISA for presence of peanut stripe, alfalfa [lucerne] mosaic, adzuki [azuki] bean mosaic, bean common mosaic, blackeye cowpea mosaic, bean yellow mosaic, peanut mottle, soybean stunt, soybean mosaic, cowpea mosaic, cowpea mottle, peanut stunt, blackgram mottle, southern bean mosaic and cucumber mosaic viruses. In soyabean, the incidence of BYMV was highest, with 81% of 103 samples infected by the virus. This was followed by AzMV and CMV (both 60%). BCMV was found in 23%, PStV in 6% and BlCMV in 1% of the samples. In mung bean, 95% of the samples contained BYMV, followed by AzMV (76%), PStV (60%), BlCMV (48%), BCMV (44%) and CMV (12%). In groundnut, 24% were infected with AzMV, followed by BYMV (22%), BlCMV (18%), CMV (16%) and PStV (15%). Virus infections were mixed in 77, 92 and 94% of groundnut, mung bean and soyabean samples, respectively. In East Java, BYMV and AzMV are widely distributed in all 3 crops. Mung bean appears to be a newly recorded natural host of PStV |
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