vii
risk assessment. The information collected in this volume will bring in profound
knowledge of U uptake and translocation and its toxicity in plants and finally its
effect on health.
Dr. Dharmendra K.  Gupta and Prof. Clemens Walther individually thank all
authors for contributing their valuable time, knowledge, and enthusiasm to bring
this book into its present form.
Hannover, Germany
Dharmendra K. Gupta
Clemens Walther
Preface