海量图书期刊资源，随时随地畅享阅读乐趣
Multi-year evaluation ofClavibacter michiganensissubsp.sepedonicusdisease symptoms in cultivated potato genotypesL. M. Kawchuk; D. R. Lynch; G. C. Kozub; G. A. Nelson; F. Kulcsar; D. K. Fujimoto · 1998