About YAMAUCHI NORIHITO
About 農業・食品産業技術総合研究機構 中央農業総合研究セ
About SATO FUMIO
About 農業・食品産業技術総合研究機構 野菜茶研
About SHIRAKAWA TAKASHI
About 農業・食品産業技術総合研究機構 野菜茶研
About 関東東山病害虫研究会報
About Ibaraki prefecture
About lettuce
About bacterium
About cultivar
About breed
About test
About infant plant
About sensitivity
About cotyledon
About べと病菌
About Cotyledon
About inoculation test
About resistant cultivar
About Vegetables
About Plant diseases caused by fungi
About 茨城
About 収集
About レタス
About べと病
About 菌
About 品種
About 抵抗性