主权项 |
1. A synergistic microbicidal composition comprising: (a) 4-chloro-3,5-dimethylphenol; and (b) at least one microbicide selected from the group consisting of 3,7-dimethylocta-1,6-dien-3-ol and cis-3,7-dimethyl-2,6-octadien-1-ol; wherein a weight ratio of 4-chloro-3,5-dimethylphenol to 3,7-dimethylocta-1,6-dien-3-ol is from 1/0.17 to 1/2.5 and a weight ratio of 4-chloro-3,5-dimethylphenol to cis-3,7-dimethyl-2,6-octadien-1-ol is from 1/0.05 to 1/0.13 or 1/0.17 to 1/50. |