A dwarf root stock of apple is
A. M-9
B. M-13
C. M-12
D. M-25
Answer: Option A
Solution(By Examveda Team)
A dwarf rootstock of apples is M-9 (Malus).Dwarfing rootstocks produce the smallest trees and range from 6 feet tall to 12 to 14 feet tall.
The malus M-9 are widely used rootstocks for high-density orchards on fertile grounds. Trees grown on this very important dwarf apple rootstock are relatively small in height. A support system, and stakes, are required. First apple production from fruit trees on M-9 can be expected in the second year after planting.
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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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