AbstractA golden-yellow mosaic virus of Phaseolus lunatus was detected recently in Puerto Rico. The virus was transmitted by the whitefly Bemisia tabaci race sidae. It causes a golden-yellow mosaic of beans. It was isolated from bean plantings located in the northwestern and north-central parts of Puerto Rico. Available evidence indicates that the P. lunatus virus is not related, at least closely, to the Puerto Rican whitefly-transmitted mosaic virus of Rhynchosia minima. Symptoms induced by the P. lunatus virus are remarkably similar to those elicited by the Brazilian golden mosaic and the Salvadoran yellow mottle viruses of beans.
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