About MITANI NORIHITO
About 農研機構
About Pyrus pyrifolia
About plant physiological disease
About sarcocarp
About pathogen control
About gibberellin
About flowering
About water stress
About shipping
About pesticide application
About aliphatic chlorine compound
About phosphonic acid
About Akizuki
About 一番花
About Oushuu
About fruit maturity
About fruit development
About fruit flesh damage
About Fruit trees
About Plant physiological disorders in general
About Control of plant diseases and insect damages in general
About Ethephon
About ニホンナシ
About あきづき
About 王秋
About 果肉障害