By Hugh Smith The silverleaf whitefly (Bemisia tabaci) transmits tomato yellow leaf curl virus in tomatoes. The pest also transmits three viruses to cucurbits, including squash vein yellowing virus, which causes watermelon vine decline. In addition to virus transmission and contamination, the silverleaf whitefly induces irregular ripening in tomato and the silverleafing in squash that gives it its common name. …
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