Claim 1: A composition for controlling a phyto-disease characterized in that it comprises a tetrazolinone compound represented by the formula (1) wherein X¹ represents a halogen atom, a C₁₋₆ alkyl group or a C₁₋₆ alkoxy group,X2 represents a c832131 rent group；a C₃₋₄ cycloalkyl group,a halogen atom or a C₁₋₃ alkoxy group,And at least one 5-fluorinated compound selected from the next group (a),Group (A): a group consisting of 4-amino-5-fluoro-1-tosylpyrimidin-2 (1H) -one, 5-fluoro-4-imino-3-methyl-1-tosyl-3,4-dihydropyrimidine -2 (1H) -one and 5-fluoro-3-methyl-4- (methylimino) -1-tosyl-3,4-dihydropyrimidin-2 (1H) -one. Claim 7: A method for controlling a phyto-disease, characterized in that it comprises a step of applying each effective amount of a tetrazolinone compound represented by the formula (1) wherein X¹ represents a halogen atom, a C₁₋₆ alkyl group or a C₁₋₆ alkoxy group,X2 represents a c832131 rent group；a C₃₋₄ cycloalkyl group,a halogen atom or a C₁₋₃ alkoxy group,And at least one 5-fluorinated compound selected from the next group (a),Group (A): a group consisting of 4-amino-5-fluoro-1-tosylpyrimidin-2 (1H) -one, 5-fluoro-4-imino-3-methyl-1-tosyl-3,4-dihydropyrimidine -2 (1H) -one and 5-fluoro-3-methyl-4- (methylimino) -1-tosyl-3,4-dihydropyrimidin-2 (1H) -one to a plant or soil to grow the plant. Claim 9: A combined use of a tetrazolinone compound represented by the formula (1) characterized in that X¹ represents a halogen atom, a C₁₋₆ alkyl group or a C₁₋₆ alkoxy group,X2 represents a c832131 rent group；a C₃₋₄ cycloalkyl group,a halogen atom or a C₁₋₃ alkoxy group,And at least one 5-fluorinated compound selected from the next group (a),1. A group composed of 4-amine-5-fluoro-1-tosiripidine-2 (1H) - ona, 5-fluoro-4-imino-3-methyl-1-tosi-3, 4-dihydropyridin-2 (1H) - ona and 5-fluoro-3-methyl-4 - (methylimino) - 1-tosi-3, 4-dihydropyridyl-2 (1H) - ona.Reivindicación 1: Una composición para controlar una fitoenfermedad caracterizada porque comprende un com
