Bayer Potato Blight Fungicide 100ml [17315074]Features: Protective fungicide, use before disease attacks. Contact and systemic action. Rain fast after 1 hour. Bayer Potato Blight Fungicide is a new garden product to protect against potato blight. Its unique strength lies in the combination of two potent active substances which will works both on the surface and deep inside the plant giving long lasting protection of leaves, stalks and the new growth. Treats up to 625 sqm.