1. Plant Stress Unit, School of Biological Sciences, The University of Sussex, Brighton BN1 9QG, UK,,
2. CSSRI Regional Research Station, 3, Swaminarayan Society, Anand 388 001, Gujarat, India,,
3. Task Force Headquarters, Department of Agriculture, no. 1, Sarasavi Mawatha, PO Box 5, Peradeniya, Sri Lanka