Which fungicide is used against downey mildew

Answer: Option A

Metalaxyl fungicide is used against Downey mildew.
Metalaxyl is a systemic fungicide used to control air- and soil-borne diseases on a wide range of crops, as well as foliar diseases caused by the Downey mildews.
It is used to control plant diseases caused by Oomycete fungi. Its formulations include granules, wettable powders, dust and emulsifiable concentrates.