Maria E Pereira Editor

Naser A. Anjum, Iqbal Ahmad, Maria E. Pereira and Armando C. Duarte are affiliates of the Centre for Environmental and Marine Studies (CESAM) and the Department of Chemistry at University of Aveiro, 3810-193 Aveiro, Portugal.

Shahid Umar is associated with the Laboratory of Plant Stress Physiology and Biochemistry, Department of Botany, Faculty of Science, Hamdard University, New Delhi – 110 062, India.

Nafees A. Khan is an affiliate of the Division of Plant Physiology and Biochemistry, Department of Botany, Faculty of Life Sciences, Aligarh Muslim University (AMU), Aligarh – 202 002, U.P., India.