Arabis mosaic disease is caused by
A. Xiphinema index
B. X. brevicolle
C. X. diversicaudatum
D. X. americanum
Answer: Option C
Solution (By Examveda Team)
Arabis mosaic disease is caused by X. diversicaudatum.Arabis Mosaic Virus, a Cause of Cuorotic Symptoms in Leaves of Fmxinus excelsior L. Arabis mosaic virus (AMV) was detected in leaves of four Fraxinm excelsior L. trees showing chlorotic mottling, chevrons, or oak-leaf patterns and growing in soil infested with virus-carrying Xiphinema diversicaudatum Micol.
Xiphinema diversicaudatum Thorne is often present in greenhouse rose crops. This ectoparasitic nematode, measuring 4 - 5 mm in length at the adult stage (Figure 1c), produces root galls at the tip of feeder rootlets. These galls are characterized by swollen and curled tips.
Related Questions on Agricultural Entomology
The reduviid bug Sycanus collaris is a predatory of
A. Coconut rhinoceros beetle
B. Red palm weevil
C. Both A and B
D. Termites

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