Use of pro-fungicides of uk-2a for control of black sigatoka

A method of treating a plant, comprising, the steps of:

• contacting at least one portion of a plant and/or an area adjacent to a plant with a composition including a compound of Formula I:
• wherein M is selected from —R1, —C(O)R1, —C(O)OR1, —C(S)OR1, —C(O)N(R1)R2, —CH2C(O)R1, —CH2C(O)OR1, —CH2C(S)OR1, —CH2C(O)N(R1)R2 —CH2OR1, —CH2SR1, —CH2P(O)2OR1, —Si(R1)3, —S(O)2OR1, P(O)2OR1;
• R1 is alkyl or arylalkyl;
• and
• R2 is alkyl or arylalkyl, wherein the plant has been or is at risk for being exposed to a plant pathogen.