1. School of Agricultural, Biological and Environmental Sciences, Faculty of Agriculture; Tottori University; 4-101 Koyama Minami Tottori 680-8553 Japan
2. Tottori Prefectural Horticultural Research Center; 2048 Yurashuku Hokuei Tottori 689-2221 Japan
3. Arid Land Research Center; Tottori University; 1390 Hamasaka Tottori 680-0001 Japan