K_HPO_ and KH_PO_ plus KOH could induce the cucumber to render resistance against Pseudoperonospora cubensis, Sphaerotheca fuliginea and Colletotrichum lagenarium.
K_HPO_ and KH_PO_ plus KOH could induce the cucumber to render resistance against Pseudoperonospora cubensis, Sphaerotheca fuliginea and Colletotrichum lagenarium.
由K_HPO_和浓度减少一半的杀菌剂混合处理能够有效地防治霜霉病,其防治效果要比单独施用K_HPO_,KH_PO_+KOH的作用效果要好。