Importance

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Abstract

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≦230; Condition (2): (D₉₀−D₁₀)/D₅₀≦2.5; and wherein in the formulae of conditions (1) and (2), T represents the shell thickness (μm) of the microcapsule, and D₁₀, D₅₀ and D₉₀ respectively represent the 10%, 50% and 90% cumulative volume particle diameter (μm) of the microcapsule.

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First Claim