Multiple choice

Which of the following is the causative fungal agent for ‘Halo spot’ disease in barley?

  1. Pyrenophora teres f. teres

  2. Rhynchosporium secalis

  3. Blumeria graminis f. sp. hordei

  4. Puccinia hordei

  5. Pseudoseptoria stomaticola
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E Correct answer
Explanation

In barley, white to tan, small and semi-rectangular spot or blotch with a dark brown edge aligned along the veins of the leaf blade is known as Halo spot disease. The causative fungus of the said disease is Pseudoseptoria stomaticola.

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