About IKEDA SACHIKO
About 北海道総合研究機構 北見農試
About Daucus carota
About plant pathogenic microbe
About cultural pest control
About Hokkaido
About root
About leaf
About fruit body
About pathogenicity
About pathogen control
About soil management
About softening
About observation and view
About plant disease
About emission(scattering)
About plant organ
About Typhula japonica
About Typhula variabilis
About クラウン【植物】
About morphology observation
About 雪腐小粒菌核病
About Typhula snow blight
About molding
About Malacia
About spore dispersion
About Vegetables
About Plant diseases caused by fungi
About Cultural pest control
About 春
About ニンジン
About 雪
About 小粒
About 菌核病
About 耕種的防除