detection of new viruses in alfalfa, weeds and cultivated plants growing adjacent to alfalfa fields in saudi arabia. | a total of 1368 symptomatic plant samples showing different virus-like symptoms such as mottling, chlorosis, mosaic, yellow mosaic, vein clearing and stunting were collected from alfalfa, weed and cultivated plant species growing in vicinity of alfalfa fields in five principal regions of alfalfa production in saudi arabia. das-elisa test indicated occurrence of 11 different viruses in these samples, 10 of which were detected for the first time in saudi arabia. eighty percent of the alfalfa sampl ... | 2017 | 28855829 |