Does this cure downy mildew? Is is systemic?

Part number	829-28651538039000en-pestrong-316
Item Weight	170 g
Product Dimensions	6.99 x 6.99 x 16.51 cm; 170.1 g
Is Discontinued By Manufacturer	No
Batteries Included	No
Batteries Required?	No
Item Dimensions LxWxH	7 x 7 x 16.5 cm

Southern Ag Dithane M-45 Fungus & Disease Control (6 Ounce)