A synergistic fungicidal composition is provided, the composition comprising: (A) the crystalline modification II of 3-pyridinecarboxamide, 2-chloro-N-(4’chloro[1,1’biphenyl]-2-yl) (boscalid)； and (B) the crystalline modification IV of methyl N-{2-[1-(4-chlorophenyl)-1H-pyrazol-3-yloxymethyl]phenyl} (N-methoxy)carba mate (pyraclostrobin). A method of treating fungal infestations in plants and plant materials is also provided.本發明提供協同性殺真菌組成物，該組成物包含(A)2-氯-N-(4'氯[1,1'聯苯基]-2-基)3-吡啶甲醯胺(白克列)的結晶變體II；和(B)N-{2-[1-(4-氯苯基)-1H-吡唑-3-基氧基甲基]苯基}(N-甲氧基)胺基甲酸甲酯(百克敏)的結晶變體IV。本發明還提供處理植物和植物材料中的真菌感染之方法。
