Whitefly
population is very large, feeding on plant sap can affect the physiology of the plant, as a result of which growth is retarded. In full sunlight, leaves can wilt [...] crops. This is particularly important in ornamentals . The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth of sooty [...] ( Cladosporium spp.) is encouraged. Such fruit is unsaleable. In serious cases the fruit will rot. Sooty moulds also develop on the leaves, reducing ph