Orondis Gold Potato contains Group 49 and Group 4 fungicides.
Mode of Action
The mode of action of oxathiapiprolin, the active ingredient in Orondis Gold A 200SC, is novel and has been assigned the FRAC code 49. Oxathiapiprolin inhibits an oxysterol binding protein (OSBP) homologue. Oxysterol binding proteins are implicated in the movement of lipids between membranes, among other processes. Inhibiting OSBP may disrupt other processes in the fungal cell, such as signaling, maintaining cell membranes, and the formation of more complex lipids that are essential for the cell to survive.
The mode of action of metalaxyl-M, the active ingredient in Orondis Gold B 480SL, belongs to the FRAC code 4. Metalaxyl-M inhibits rRNA biosynthesis (polymerase complex I), which means that cells cannot reproduce.
Apply as part of a preventative disease control program.
Do not follow soil applications of Orondis Gold Potato with foliar applications of this or other products containing oxathiapiprolin (i.e. Orondis Ultra).