Yuji Masutomi^1,2, Takahiro Takimoto³, Toshichika Iizumi³ and Kei Oyoshi⁴, (1)Ibaraki University, Mito, Japan, (2)Ibaraki University, College of Agriculture, Ami, Inashiki, Japan, (3)NIAES-NARO, Tsukuba, Japan, (4)Japan Aerospace Exploration Agency, Tsukuba, Ibaraki, Japan