Correct option is D
Correct option (d) Fungus and seeds
· Transmitted by soil-borne fungus
Polymyxa graminis.
· Also
seed-borne.
· Virus has
single-stranded RNA.
Other options:
·
(a) Whitefly – Transmits begomoviruses.
·
(b) Mealybugs – Transmit grapevine viruses.
·
(c) Mites – Vector for some plant viruses, not PCV.