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30 POTATO GROWER | MARCH 2020 New chemistries to fight diseases in potatoes Mixing It Up Diggin' In Diggin' In FUNGICIDES | Industry Report in Provysol fungicide. Curtis Rainbolt, a BASF technical service representative based in Idaho, speaks to how it works: "The unique isopropanol azole bridge allows the Revysol molecule to customize its shape for tighter binding at the enzyme site of action for excellent efficacy of even the toughest diseases." Used as a foundational tool, it can strengthen a grower's overall spray program and reduce the risk of resistance development. Rainbolt says Provysol fungicide controls important foliar diseases, including Alternaria, brown spot and black dot. "These are diseases that, at least in Idaho, we can find in pretty much every field. "Provysol fungicide is really delivering a level of performance that we haven't seen in a while," Rainbolt continues. "In addition to the high level of control, there is a long duration of control, and it tank- mixes well with a lot of other products that growers might use on their fields, so it's really got a nice all-around fit." To determine control of disease pressure from Provysol fungicide, Jeff Miller, owner and operator of Miller Research LLC in Rupert, Idaho, tested Provysol fungicide on his research farm. PROVYSOL FUNGICIDE For potato growers battling early blight, brown spot and black dot, BASF has introduced what it believes is a revolutionary new disease management tool. Provysol is the first and so far only isopropanol azole fungicide, making it a unique solution for disease control. Provysol fungicide not only controls key diseases; it also provides a new mode of action to manage resistance and has excellent tank-mixing capabilities. The uniqueness of the product lies in the innovative molecular structure of Revysol fungicide, the active ingredient Provysol plot tour with retailers at Miller Research in Rupert, Idaho