Marigold Plant Leaves Seem Shrunken And Are Turning Yellow With White Stripes

Question From: K. TANDSI - Bengaluru, Karnataka, India
Q: Our Marigold plants leaves are looks like a shrinked and the leaves getting their color green to yellow and white stripes on the leaves.... Plz help me

A: My best guess is your plants have a fungal disease called powdery mildew. They may also have aphids. Neem oil spray should help control this. Be sure to spray the backs of the leaves. Water the plants in the early morning so the leaves dry quickly. Best And Happy Yardening, Nancy