Variation among Solanaceae crops in cadmium tolerance and accumulation

Issue		Agron. Sustain. Dev. Volume 25, Number 2, April-June 2005


Page(s)		237 - 241
DOI		10.1051/agro:2005014

Agron. Sustain. Dev. 25 (2005) 237-241
DOI: 10.1051/agro:2005014

Variation among Solanaceae crops in cadmium tolerance and accumulation

Odon Thiebeauld, Salvador Soler, María Dolores Raigón, Jaume Prohens and Fernando Nuez

Centro de Conservación y Mejora de la Agrodiversidad Valenciana, Universidad Politécnica de Valencia, Camino de Vera 14, 46022 Valencia, Spain

(Accepted 27 January 2005)

Abstract - Plantlets of cape gooseberry (Physalis peruviana), pepino (Solanum muricatum), pepper (Capsicum annuum), tobacco (Nicotiana tabacum) and tomato (Lycopersicon esculentum) were watered with several nutrient solutions containing cadmium (Cd) at doses ranging from 0 to 500 mg·L^-1 (cape gooseberry) or 0 to 200 mg·L^-1 (rest of the crops). Cadmium depressed the growth of roots, stems and leaves and caused a reduction in dry matter and chlorophyll concentration, especially at the higher doses. Crops most affected by Cd were tobacco, tomato and pepper. Significant differences among crops for Cd accumulation in the leaves were detected. Thus, Cd concentrations in cape gooseberry leaves were much lower than in the other crops. Cape gooseberry and pepino grow relatively well under high Cd concentrations, though they accumulate low (cape gooseberry) and high (pepino) Cd concentrations.

Key words: accumulation / Cd / heavy metals / Solanaceae / tolerance

Corresponding author: Fernando Nuez fnuez@btc.upv.es

© INRA, EDP Sciences 2005

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