Multiple choice

Ratoon stunting disease is associated with which of the following pairs of pathogen and plant?

  1. Leifsonia xyli xyli - bermuda grass

  2. Leifsonia xyli cynodontis - bermuda grass

  3. Leifsonia xyli cynodontis - sugarcane plant

  4. Leifsonia xyli xyli - sugarcane plant
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Leifsonia xyli subsp. xyli is a small, fastidious, Gram-positive and coryneform bacterium that is associated with the ratoon stunting disease, a major worldwide disease of sugarcane. Infected plants show reduced cane diameter and shortening of the inter-nodes.

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