Institution: | 1. Apple Research Area, National Institute of Fruit Tree Science, Morioka, Iwate 020‐0123, Japan, E‐mail: hiwanami@affrc.go.jp;2. Present address: Citrus Research Area, National Institute of Fruit Tree Science, Shimizu, Shizuoka 424‐0292, Japan;3. Present address: Horticulture Laboratory, Faculty of Agriculture, Iwate University, Ueda 3‐18‐8, Morioka 020‐8550, Japan |