苜蓿霜霉病

  • 网络personspora aestivalis Syd;Peronospora aestivalis
苜蓿霜霉病苜蓿霜霉病
  1. 不同施肥水平对紫花苜蓿霜霉病抗病性的研究

    Study on the effect of different fertilizer rates applied on resistance of alfalfa downy mildew