There is provided a microcapsule for plant disease control in which a core material containing a fungicidal active ingredient is enclosed within a shell material wherein the microcapsule satisfies the following conditions (1) and (2), is a formulation that withstands physical impacts, drying and diluting, and is suitable for seed treatment using a stirring type machine, and the durability of control of diseases of crops and the safety for the crops can be improved more efficiently by the microcapsule of the present invention Condition (1): D50/T&nlE230 Condition (2): (D90&minusD10)/D50&nlE2.5 and wherein in the formulae of conditions (1) and (2), T represents the shell thickness (&mum) of the microcapsule, and D10, D50 and D90 respectively represent the 10%, 50% and 90% cumulative volume particle diameter (&mum) of the microcapsule.
