The present invention provides a synergistic herbicidal composition comprising Pyroxasulfone and Thifensulfuron methyl as the active components, as well as the use of the synergistic herbicidal composition of present invention for controlling the growth of undesirable plants. The present invention also provides a method of controlling the growth of undesirable plants, which comprises applying the active components Pyroxasulfone and Thifensulfuron methyl of the synergistic herbicidal composition of present invention to the undesirable plants or their growing locus jointly or separately. The present invention further provides a method of reducing or preventing harm caused by Pyroxasulfone when applied to plants, seeds or other reproductive parts of useful crops.本發明提供一種協同性除草組合物，其包含作為活性成分之派羅克殺草碸和噻吩磺隆，以及本發明的協同性除草組合物用於防治不希望的植物生長的用途。本發明還提供一種防治不希望的植物生長的方法，其包括將本發明的協同性除草組合物的活性成分派羅克殺草碸和噻吩磺隆共同或分別地施用於不希望的植物或其生長場所。本發明還提供一種降低或防止派羅克殺草碸當其施用於有用作物的植株、種子或其他繁殖部分時所造成的損害的方法。
