Protecting plant against phytopathogens such as Pythium, Rhizoctonia, Tilletia, Ustilago, Pseudoperonospora, Plasmopara, Alternaria, Crecospora, Drechslera, Fusarium or Verticillium, comprises treating seeds with kiralaxyl (methyl-N-(phenylacetyl)-N-(2,6-xylyl)-D-alaninate) in combination with at least one pesticide such as fungicide or insecticide. Protecting plant against a phytopathogen such as Pythium, Rhizoctonia, Tilletia, Ustilago, Pseudoperonospora, Plasmopara, Alternaria, Crecospora, Drechslera, Fusarium or Verticillium comprises treating seeds with kiralaxyl (methyl-N-(phenylacetyl)-N-(2,6-xylyl)-D-alaninate) compound of formula (I) in combination with at least one pesticide such as fungicide or insecticide. An independent claim is included for an agent for the treatment of seed of plant for protecting against phytophathogen, comprising (I) and pesticide. [Image] ACTIVITY : Fungicide； Insecticide； Pesticide. MECHANISM OF ACTION : None given.本發明係關於一種防止植物病原體之方法，其包括用與至少一種其他農藥併用之尅拉萊西(kiralaxyl)(N－(苯基乙醯基)－N－(2,6－二甲苯基)－D－丙胺酸甲酯)處理種子，且此外係關於與至少一種其他農藥併用之尅拉萊西之相應用途，且係關於相應組合物。本發明亦描述特殊種子。
