Pusa Swarnim a variety of Brassica is resistant to
A
Bacterial blight
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B
White rust
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C
Curl and black rot
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D
Mosaic virus.
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Solution
The correct option is A White rust B. White rust
EXPLANATION: Pusa Swarnim is a variety of Brassica. It is resistant to white rust. White rust is caused by the oomycete Albugo candida or its close relatives. The symptoms of white rust are chlorosis on leaf surfaces, swelling of roots and white blister-like growths in stems. These symptoms can also deform the shapes of flowers.