About USAMI TOSHIYUKI
About 千葉大 大学院園芸学研究科
About ハイドロポニックス
About plant factory
About cultivation management
About solution culture
About plant disease
About symptom
About population occurrence
About identification
About lettuce
About Ascomycetes
About Plectosphaerella pauciseptata
About レタスプレクトスフェレラ腐敗病
About hydroponics
About microorganism identification
About 病害診断
About Vegetables
About Plant diseases caused by fungi
About 養液栽培
About レタス
About 病害