Fungicides with mefenoxam (Ridomil Gold Bravo, Ridomil Gold Copper, Group 4) are highly effective but more at-risk for resistance than fungicides mentioned above. Ridomil Gold Bravo applied at 2 lb/A will cost $34/A. PHI is 5 days. REI is 48 hours.
Restricted Entry Interval(REI): the period of time after a field is treated with a pesticide during which restrictions on entry are in effect to protect persons from potential exposure to hazardous levels of pesticide residues.
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