Which of the following plant diseases are caused by viruses? 1. Aster yellows 2. Foot rot of paddy 3. Leaf curl of tobacco 4. Little leaf of Sweet potato Which of the above disease/s is/are caused by the bacteria? (a) 1 and 3 (b) 1, 2, and 4 (c) 2 and 4 (d) 3 and 4

Which of the following plant diseases are caused by viruses? 1. Aster yellows 2. Foot rot of paddy 3. Leaf curl of tobacco 4. Little leaf of Sweet potato Which of the above disease/s is/are caused by the bacteria? (a) 1 and 3 (b) 1, 2, and 4 (c) 2 and 4 (d) 3 and 4
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