Question
Biology Question on Classification Of Animals
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
Answer
Covered smut of barley-Ustilago nuda
Explanation
Solution
The root knot nematodes, Meloidogyne sppare are the most dominant group of plant parasitic nematodes in almost every vegetable field and cause enormous losses every year in the nursery. The common species are Meloidogyne arenaria, M. incognita and M. javanica. The pathogen responsible for smut of Bajra is Tolyposporium penicillariae. Ustilago hordei causes covered smut of barley and Ustilago nuda causes loose smut of Barley. The causal organism of late blight of potato is Phytophthora infestans.