About TABIKI TADASHI
About 農研機構 北海道農業研究セ
About Triticum aestivum
About cultivar
About crop yield
About disease resistance
About Hokkaido
About cultivation
About plant disease
About viral disease
About soil transmission
About Viral disease
About ゆめちから
About yellow mosaic
About Wheats and barleys
About Crop varieties(=cultivars)
About 栽培
About ゆめちから