1Institute of Agriculture and Life Science, Gyeongsang National University, Jinju 660-701, Korea.
2Department of Horticulture, Division of Applied Life Science (BK21 Program), Graduate School, Gyeongsang National University, Jinju 660-701, Korea.
3Agriculture Technology Education Center, Gyeongsangnam-do Agricultural Research and Extension Services, Jinju 660-985, Korea.
4Research Institute of Life Science, Gyeongsang National University, Jinju 660-701, Korea.
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