About KATAYAMA KENJI
About 農研セ
About KOMAKI KATSUMI
About 農研セ
About TAMIYA SEIJI
About 農研セ
About TAKAYANAGI KENJI
About 筑波大 農林学系
About Ipomoea batatas
About Tubers(=corms)
About サツマイモ
About 塊根
About 澱粉
About アミロース含量
About 品種
About 系統
About 収集
About 地域
About 差異