Measures to control Powdery Mildew disease in Rose crop

Powdery mildew is a common fungal disease that affects roses. It appears as a white powdery growth on the leaves, stems, buds, and flowers of the plant. The fungus weakens the rose by stealing nutrients and can cause leaves to curl and drop, flowers to be stunted or malformed, and reduce overall plant vigor.

• Cool, moist weather
• Poor air circulation
• Excessive nitrogen fertilizer
• Overcrowding
• Drought stress

• white powdery spots: Appear on the leaves, stems, and flowers. The powdery growth is made up of fungal spores.
• Leaves become yellow and brittle: The powdery mildew fungus drains nutrients from the leaves, causing them to turn yellow and become brittle.
• Leaves may curl or distort: Powdery mildew can also cause leaves to curl or distort.
• Flower buds may fail to open: If powdery mildew infects flower buds, they may fail to open or may produce poor-quality flowers.
• Severe cases can lead to defoliation: In severe cases, powdery mildew can cause the leaves to fall off the rose bush.