Potato Witches Broom is caused by
A. MLOs
B. Bacteria
C. Fungus
D. Virus
Answer: Option A
Solution(By Examveda Team)
Potato Witches Broom is caused by MLOs.Potato witch broom is a plant disease that occurs as an abnormal brushlike cluster of dwarfed weak shoots arising at or near the same point.
Witches broom are caused by a phytoplasma transmitted by several species of leafhopper and within the potato plant seed pieces.
Leaves started rolling up and have yellow margins. Plants are dwarfed in the field.
Related Questions on Horticulture
Which of the following is not an anti gibberellin or growth retardant?
A. Phosfon D
B. Cycocel
C. Amo-1618
D. Benzyl adenine
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