“…There are numerous reports of the occurrence of ABA, carotenoids, and Chis in the fruit of citrus (Goldschmidt, 1984; Sinclair, 1984; Wheaton and Bausher, 1977). However, only a few reports pertain to ABA and Chi content in citrus leaves (Arguella and Guardiola, 1977; Goren et al, 1971;Mauk et al, 1987; Norman et al, 1988; Syvertsen and Smith, 1984; Wheaton and Bausher, 1977;Weill et al, 1979). The identity and quantity of carotenoids in citrus leaves have not been previously reported.…”