About OZAKI MASAHARU
About 北海道中央農試
About AKAI JIYUN
About 北海道中央農試
About MANO YUTAKA
About 北海道中央農試
About 北海道立農業試験場集報
About Triticum aestivum
About Wheats and barleys
About Plant diseases caused by fungi
About 北海道
About コムギ
About 病
About 状況
About 被害