Agricultural disinfectant composition

A disinfectant composition comprising slightly acidic electrolyzed water, characterized in that the composition comprises a mixture of the following components (A) and (B) in such an amount that the composition has a surface tension of 30 mN/m or lower at 25° C., said mixture containing the components (A) and (B) in a weight ratio of (A)/(B) of from 1/99 to 50/50, wherein

• (A) is at least one selected from the group consisting of a polyether-modified silicone represented by the following formula (1) and a polyether-modif ied silicone represented by the following formula (2)
• wherein R1, which may be the same with or different from each other, is selected from the group consisting of alkyl groups, aryl groups, aralkyl groups and fluorinated alkyl groups, each having 1 to 30 carbon atoms,
• R2 is a polyoxyalkylene group represented by the following formula (3):
• —CdH2d—O—(C2H4O)p(C3H6O)q—R3 (3)
• wherein R3 is a hydrogen atom, a hydrocarbon group having 1 to 30 carbon atoms or an organic group represented by the formula, R4—(CO)—,
• wherein R4 is a hydrocarbon group having 1 to 10 carbon atoms,
• a is an integer of from 0 to 3, b is an integer of 1 or 2,
• c is an integer of from 0 to 6, d is an integer of from 2 to 5,
• p is an integer of from 5 to 15, and q is an integer of from 0 to 10, and
• (B) is at least one selected from the group consisting of ethylene oxide adduct, propylene oxide adduct or ethylene oxide and propylene oxide mixed-adduct of acetylene glycol, represented by the following formula (4) and hydrogenated products thereof
• wherein each of R5 and R6, which may be the same with or different from each other, is an alkyl group having 1 to 5 carbon atoms, R7 is a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, each of X and Y is an integer of from 0 to 25 and a sum of X and Y ranges from 0.5 to 50 on average.