Aidid S B and Okamoto H 1992 Effects of lead, cadmium and zinc on the electric membrane potential at the xylem/symplast interface and cell elongation of Impatiens balsamina. Envir. Exp. Bot. 32, 439–448.
Andreu V and Boluda R 1995 Application of contamination indexes on different farming soils. Bull. Envir. Contam. Toxicol. 54, 228–236.
Andreu V and Gimeno-García E 1999 Evolution of heavy metals in marsh areas under rice farming. Envir. Pollut. 104, 271–282.
Baker A J M 1987 Metal tolerance. New Phytol. 106, 93–111.
Breckle S-W and Kahle H 1992 Effect of toxic heavy metals (Cd, Pb) on growth and mineral nutrition of beech (Fagus sylvatica L.). Vegetatio 101, 43–53.
Burzynski M and Buczek J 1994 The influence of Cd, Pb, Cu and Ni on NO_3 uptake by cucumber seedlings. I. Nitrate uptake and respiration of cucumber seedlings roots treated with Cd, Pb, Cu and Ni. Acta Physiol. Plant. 16, 291–296.
Cobbett C S 1999 A family of phytochelatin synthase genes from plant, fungal and animal species. TIPS 4, 335–337.
De Filippis L F 1979 The effect of heavy metal compounds on the permeability of Chlorella cells. Z. Pflanzenphysiol. 92, 39–49.
Ernst W H O, Verkleij J A C and Schat H 1992 Metal tolerance in plants. Acta Bot. Neerl. 41, 229–248.
Fuhrer J 1982 Ethylene biosynthesis and cadmium toxicity in leaf tissue of beans (Phaseolus vulgaris L.). Plant Physiol. 70, 162–167.
Gimeno-García E, Andreu V and Boluda R 1995 Distribution of heavy metals in rice farming soils. Arch. Envir. Contam. Toxicol. 29: 476–483.
Gimeno-García E, Andreu V and Boluda R 1996 Heavy metals incidence in the application of inorganic fertilizers and pesticides to rice farming soils. Envir. Pollut. 92: 19–25.
Greger M, Brammer E, Lindberg S, Larsson G and Idestam-Almquist J 1991 Uptake and physiological effects of cadmium in sugar beet (Beta vulgaris) related to mineral provision. J. Exp. Bot. 42, 729–737.
Greger M and Lindberg S 1987 Effects of Cd2+ and EDTA on young sugar beets (Beta vulgaris). II. Net uptake and distribution of Mg2+, Ca2+ and Fe2+/Fe3+. Physiol. Plant. 69, 81–86.
Hendry G A F, Baker A JM and Ewart C F 1992 Cadmium tolerance and toxicity, oxygen radical processes and molecular damage in cadmium-tolerant and cadmium-sensitive clones of Holcus lanatus L. Acta Bot. Neerl. 41, 271–281.
Jackson P J, Unkefer P J, Delhaize E and Robinson N J 1990 Mechanisms of trace metal tolerance in plants. In Environmental Injury to Plants. Ed. F Katterman. pp 231-255. Academic Press. San Diego.
Keck R W 1978 Cadmium alteration of root physiology and potassium ion fluxes. Plant Physiol. 62, 94–96.
Kennedy C D and Gonsalvez F A N 1987 The action of divalent zinc, cadmium, mercury, copper and lead on the trans-root potential and HCefflux of excised roots. J. Exp. Bot. 38, 800–817.
Krishnamurti G S R, Huang P M and Van Rees K C J 1996 Studies on soil rhizosphere: Speciation and availability of Cd. Chem. Spec. Bioavailab. 8, 23–28.
Lee J S, Chon H T and Kim K W 1998 Migration and dispersion of trace elements in the rock-soil-plant system in areas underlain by black shales and slates of the Okchon Zone, Korea. J. Geochem. Explor. 65, 61–78.
Lindberg S and Wingstrand G 1985 Mechanism for Cd2+ inhibition of (K+ + mg2+)ATPase activity and KC(86RbC) uptake join roots of sugar beet (Beta vulgaris). Physiol. Plant. 63, 181–186.
Meharg A A 1993 The role of the plasmalemma in metal tolerance in angiosperms. Physiol. Plant. 88, 191–198.
Moragues V, Gómez V and De Felipe G 1988 Caracterización de las acequias y barrancos afluentes a la Albufera de Valencia por las cuencas Norte y Oeste. Dirección General de Medio Ambiente. Vol. 1, pp 635–644.
Moya J L, Ros R and Picazo I 1993 Influence of cadmium and nickel on growth, net photosynthesis and carbohydrate distribution in rice plants. Photos. Res. 36, 75–80.
Obata H and Umebayashi M 1997 Effects of cadmium on mineral nutrient concentrations in plants differing in tolerance for cadmium. J. Plant Nutr. 20, 97–105.
Obata H, Inoue N and Umebayashi M 1996 Effect of Cd on plasma membrane ATPase from plant roots differing in tolerance to Cd. Soil Sci. Plant Nutr. 42, 361–366.
Ouariti O, Gouia H and Ghorbal M H 1997 Responses of bean and tomato plants to cadmium: Growth, mineral nutrition and nitrate reduction. Plant Physiol. Biochem. 35, 347–354.
Rauser W E 1978 Early effects of phytotoxic burdens of cadmium, cobalt, nickel, and zinc in white beans. Can. J. Bot. 56, 1744–1749.
Ros R, Morales A, Segura J and Picazo I 1992 In vivo and in vitro effects of nickel and cadmium on the plasmalemma ATPase from rice (Oryza sativa L.) shoots and roots. Plant Sci. 83, 1–6.
Rubio M I, Escrig I, Martínez-Cortina C, López-Benet F J and Sanz A 1994 Cadmium and nickel accumulation in rice plants. Effects on mineral nutrition and possible interactions of abscisic and gibberellic acids. Plant Growth Regul. 14, 151–157.
Strickland R C, Chaney W R and Lamoreaux R J 1979 Cadmium uptake by Pinus resinosa Ait. Pollen and the effect on cation release and membrane permeability. Plant Physiol. 64, 366–370.
Stroinski A 1997 Effects of cadmium on the host-pathogen system. V. Effect of exogenous dicyclohexylamine on potato tubers (Solanum tuberosum L.), cadmium and Phytophthora infestans relations. J. Plant Physiol. 150, 178–183.
Vassilev A, Yordanov I and Tsonev T 1997 Effects of Cd2+ on the physiological state and photosynthetic activity of young barley plants. Photosynthetica 34, 293–302.
Verkleij J A C and Schat H 1990. Mechanisms of metal tolerance in higher plants. In Heavy Metal Tolerance in Plants: Evolutionary Aspects. Ed. A J Shaw. pp 179–193. CRC Press. Boca Ratón.
Wang M Y, Glass A D M, Shaff J E and Kochian L V 1994 Ammonium uptake by rice roots. III. Electrophysiology. Plant Physiol. 104, 899–906.
Ye Z H, Baker A J M, Wong MH and Willis A J 1997 Zinc, lead and cadmium tolerance, uptake and accumulation by Typha latifolia. New Phytol. 136, 469–480.
Zenk M H 1996 Heavy metal detoxification in higher plants. A review. Gene 179, 21–30.