1. Goldschmidt, E., Huberman E., and Goren, R. (1993) Probing the role of endogenous ethylene in the degreening of citrus fruit with ethylene antagonists, Plant Growth Regul. 12, 325–329.
2. Alonso, J.M., Chamarro, J. and Granell, A. (1995) Evidence for the involvement of ethylene in the expresion of specific RNAs during maturation of the orange, a non-climacteric fruit, Plant Molec. Biol. 29, 385–390.
3. Goldschmidt, E.E., Goren, R., Even-Chen, Z. and Bittner, S. (1973) Increase in free and bound abscisic acid during natural and ethylene induced senescence of Citrus fruit peel, Plant Physiol. 51, 879–882.
4. Richardson, G.R. & Cowan, A.K. (1995) Abscisic acid content of Citrus flavedo in relation to colour development, J. Hort. Sci. 70, 769–773.
5. Zacarias, L., Alférez, F., Mallent, D. and Lafuente, M.T. (1997) Understanding the role of plant hormone during development and maturation of citrus fruits through the use of mutants, Acta Hortic. 463, 89–95.