1The United Graduate School of Agricultural Sciences, Kagoshima University, Kagoshima, Japan
2Faculty of Agriculture, University of the Ryukyus, Nakagusuku-Gun, Okinawa, Japan
3Faculty of Bio-Industry Department of Northern Biosphere Agriculture, Tokyo University of Agriculture, Hokkaido, Japan
4Graduate School of Agriculture, University of the Ryukyus, Nakagusuku-Gun, Okinawa, Japan
5Okinawa Churashima Foundation, Kunigami-Gun, Okinawa, Japan
6Department of Pathological Sciences, CCB, State University of Londrina, Londrina, Brazil