ACKNOWLEDGMENTS
The author thanks Universiti Teknologi Malaysia-Faculty of Biosciences and Biomedical Engineering for providing research facilities and financial support under departmental GUP research funding (QJ130000.7135.00H34) for the project. I would like to special thanks to Mr. Mohsen Aghaezadeh from Sugar Beet Seed Research Institute (SBSI), Karaj, Iran for supporting plant materials.