Biological Classification Question 106

106. Which of the following is not correctly matched?

(a) Root knot disease - Meloidogyne javanica

(b) Smut of bajra - Tolysporium penicillariae

(c) Covered smut of barley - Ustilago nuda

(d) Late blight of potato - Phytophthora infestans

Show Answer

Answer : c

Hints & Solutions

(c) Covered smut of barley is caused by Ustilago hordei, not by Ustilago nuda. This disease is purely externally seed borne.