Powdery mildew disease of rose

POWDERY MILDEW is one of the most important diseases on rose. The symptoms of disease appear as blisters that soon become covered with a white, powdery fungal growth. In older leaves large white patches of fungal growth appear. Leaves may appear discoloured and may eventually become necratic. White patches of fungus growth also appear on young leaves later. Sometimes buds may be attacked by covering of white mildew before they open. The infection spreading to the flower parts which become discoloured, dwarfed and finally die. To overcome this disease following measures are suggested.

- Remove the dried twigs and infected leaves

- Spraying of Carbendazim 250 g/ha or wettable sulphur 2.5 kg/ha for effective control

S. Mallika

Agricultural Officer (TANWA)

Namakkal 637 001

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