Method for treating coffee rust, citrus black spot, citrus scab and banana black sigatoka diseases

A method for treating plants in need of control of citrus scab or banana black sigatoka disease, consisting of applying to said plants or parts of said plants, to the seeds from which they grow or to the locus in which they grow, an effective amount for controlling the disease, of

• (i) a compound N-(5-chloro-2-isopropylbenzyl)-N-cyclopropyl-3-(difluoromethyl)-5-fluoro-1-methyl-1H-pyrazole-4-carboxamide, or an agrochemically acceptable salt thereof, or
• (ii) a composition consisting of N-(5-chloro-2-isopropylbenzyl)-N-cyclopropyl-3-(difluoromethyl)-5-fluoro-1-methyl-1H-pyrazole-4-carboxamide, or an agrochemically acceptable salt thereof, and one or more additives selected from the group consisting of extenders, solvents, diluents, dyes, wetting agents, dispersants, emulsifiers, antifoams, preservatives, secondary thickeners, stickers, gibberellins, and water,
• wherein the citrus scab or banana black sigatoka disease is caused by a fungus selected from the group consisting of Elsinoe fawcettii and Mycosphaerella fijiensis, and
• wherein (i) or (ii) is applied at an application rate of N-(5-chloro-2-isopropylbenzyl)-N-cyclopropyl-3-(difluoromethyl)-5-fluoro-1-methyl-1H-pyrazole-4-carboxamide, or an agrochemically acceptable salt thereof, from about 0.5 g/ha to about 6.25 g/ha.