" Citrus canker is a :- "

Citrus canker disease is caused by

Citrus canker is caused by

Citrus canker is caused by

Citrus canker is caused by

Citrus canker disease is caused by

Citrus canker disease is caused by

Citrus canker' is caused by a

Citrus canker' is caused by a

Read the following statement regarding bacteria. I. Bacteria exchange their genetic matter through conjugation which involve cell to cell contact. II. Transduction in 'Salmonella is reported by Tatum and Lederberg in 1952. III. Citrus canker disease is caused by bacteria Xanthomonas citri. IV. Hans Christian gram's staining method is based on cell wall composition of bacteria. Choose the correct option with true statements