Multiple choice

Which of the following matches of crop disease: causative agent is not correct?

  1. Powdery mildew of cucurbits: Blumeria graminis

  2. Black rot of crucifers: Xanthomonas campestris

  3. Downy mildew of rice: Sclerophthora macrospora

  4. Red rot disease of sugarcane: Colletotrichum falcatum

  5. Fire blight of pome fruits: Erwinia amylovora
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A Correct answer
Explanation

Powdery mildew of cucurbits is caused by two fungus: Sphaerotheca fuliginea and Erysiphe cichoracearum. Blumeria graminis causes powdery mildew of wheat.

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