A coating composition comprising a solution, dispersion, emulsion or suspension of a polyvinyl alcohol polymer binder and a hydrophobic pesticide additive in an aqueous medium, characterized in that: the polyvinyl alcohol is selected from the group consisting of: a hydrolyzed copolymer of vinyl acetate and ethylene as comonomers, having (a) an ethylene content of from 0.1 mol% to 15 mol% based on the total moles of monomers, (b) a viscosity-average degree of polymerization of from 300 to 3000, and (c) a degree of hydrolysis of from 85 mol% to 100 mol%; and a hydrolyzed copolymer of vinyl acetate and one or more unsaturated acids as comonomers, wherein (a) the unsaturated acid is selected from the group consisting of (i) a monocarboxylic unsaturated acid, (ii) a dicarboxylic unsaturated acid, (iii) an alkyl ester of (i), (iv) an alkyl ester of (ii), (v) an alkali metal salt of (i), (vi) an alkali metal salt of (ii), (vii) an alkaline earth metal salt of (i), (viii) an alkaline earth metal salt of (ii), and (ix) an anhydride of (i) and (x) an anhydride of (ii), (b) the copolymer having (i) an unsaturated acid content of from 0.1 mol% to 15 mol% based on the total moles of monomers, (ii) a viscosity-average degree of polymerization of from 300 to 3000, and (iii) a degree of hydrolysis of from 70 mol% to 100 mol%; and the coating composition comprises from 0.5 wt% to 10 wt% polyvinyl alcohol based on the total weight of the coating composition, wherein the viscosity-average degree of polymerization is a value measured in accordance with JIS K6726. the polyvinyl alcohol is selected from the group consisting of: a hydrolyzed copolymer of vinyl acetate and ethylene as comonomers, having (a) an ethylene content of from 0.1 mol% to 15 mol% based on the total moles of monomers, (b) a viscosity-average degree of polymerization of from 300 to 3000, and (c) a degree of hydrolysis of from 85 mol% to 100 mol%; and a hydrolyzed copolymer of vinyl acetate and one or more unsaturated acids as comonomers, wherein (a) the unsaturated acid is selected from the group consisting of (i) a monocarboxylic unsaturated acid, (ii) a dicarboxylic unsaturated acid, (iii) an alkyl ester of (i), (iv) an alkyl ester of (ii), (v) an alkali metal salt of (i), (vi) an alkali metal salt of (ii), (vii) an alkaline earth metal salt of (i), (viii) an alkaline earth metal salt of (ii), and (ix) an anhydride of (i) and (x) an anhydride of (ii), (b) the copolymer having (i) an unsaturated acid content of from 0.1 mol% to 15 mol% based on the total moles of monomers, (ii) a viscosity-average degree of polymerization of from 300 to 3000, and (iii) a degree of hydrolysis of from 70 mol% to 100 mol%; and a hydrolyzed copolymer of vinyl acetate and ethylene as comonomers, having (a) an ethylene content of from 0.1 mol% to 15 mol% based on the total moles of monomers, (b) a viscosity-average degree of polymerization of from 300 to 3000, and (c) a degree of hydrolysis of from 85 mol% to 100 mol%; and (a) an ethylene content of from 0.1 mol% to 15 mol% based on the total moles of monomers, (b) a viscosity-average degree of polymerization of from 300 to 3000, and (c) a degree of hydrolysis of from 85 mol% to 100 mol%; and a hydrolyzed copolymer of vinyl acetate and one or more unsaturated acids as comonomers, wherein (a) the unsaturated acid is selected from the group consisting of (i) a monocarboxylic unsaturated acid, (ii) a dicarboxylic unsaturated acid, (iii) an alkyl ester of (i), (iv) an alkyl ester of (ii), (v) an alkali metal salt of (i), (vi) an alkali metal salt of (ii), (vii) an alkaline earth metal salt of (i), (viii) an alkaline earth metal salt of (ii), and (ix) an anhydride of (i) and (x) an anhydride of (ii), (b) the copolymer having (i) an unsaturated acid content of from 0.1 mol% to 15 mol% based on the total moles of monomers, (ii) a viscosity-average degree of polymerization of from 300 to 3000, and (iii) a degree of hydrolysis of from 70 mol% to 100 mol%; and (a) the unsaturated acid is selected from the group consisting of (i) a monocarboxylic unsaturated acid, (ii) a dicarboxylic unsaturated acid, (iii) an alkyl ester of (i), (iv) an alkyl ester of (ii), (v) an alkali metal salt of (i), (vi) an alkali metal salt of (ii), (vii) an alkaline earth metal salt of (i), (viii) an alkaline earth metal salt of (ii), and (ix) an anhydride of (i) and (x) an anhydride of (ii), (i) a monocarboxylic unsaturated acid, (ii) a dicarboxylic unsaturated acid, (iii) an alkyl ester of (i), (iv) an alkyl ester of (ii), (v) an alkali metal salt of (i), (vi) an alkali metal salt of (ii), (vii) an alkaline earth metal salt of (i), (viii) an alkaline earth metal salt of (ii), and (ix) an anhydride of (i) and (x) an anhydride of (ii), (b) the copolymer having (i) an unsaturated acid content of from 0.1 mol% to 15 mol% based on the total moles of monomers, (ii) a viscosity-average degree of polymerization of from 300 to 3000, and (iii) a degree of hydrolysis of from 70 mol% to 100 mol%; and (i) an unsaturated acid content of from 0.1 mol% to 15 mol% based on the total moles of monomers, (ii) a viscosity-average degree of polymerization of from 300 to 3000, and (iii) a degree of hydrolysis of from 70 mol% to 100 mol%; and the coating composition comprises from 0.5 wt% to 10 wt% polyvinyl alcohol based on the total weight of the coating composition,