Multiple choice

Which of the following pairs of 'crop disease : causative agent' is not correctly matched?

  1. Coffee leaf rust : Hemileia vastatrix

  2. Ergot of rye : Claviceps purpurea

  3. Early blight of potato : Phytophthora infestans

  4. Crown rust of oats : Puccinia coronata

  5. Halo blight of beans : Pseudomonas syringae
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Correct answer. Early blight of potato caused by the fungus Alternaria solani. Phytophthora infestans is an oomycete that causes the serious potato disease known as late blight of potato.

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