About NAKAGAWA AKIO
About 農研機構
About Glycine max
About plant disease
About Phytophthora
About soil transmission
About infection route
About pest control
About plant pathogenic microbe
About pathogen control
About Phytophthora sojae
About infection source
About countermeasure for pest control
About phytophthora root rot
About Pulses
About Plant diseases caused by fungi
About Control of plant diseases and insect damages in general
About 防除
About 病害
About 最新情報
About 現場
About 対策
About ダイズ
About 茎疫病