1. Laboratory of Ecological Information, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan (makoto.atarashi@bebit.com; mhosaka@kais.kyoto-u.ac.jp)
2. Laboratory of Technology of Marine Bioproducts, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan (yuukim@kais.kyoto-u.ac.jp; sugawara@kais.kyoto-u.ac.jp)
3. Apple Research Division, Institute of Fruit Tree and Tea Science NARO, Morioka 020-0123, Japan (kisimoto@affrc.go.jp)