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In protected greenhouse conditions, grape can be propagated by:

  • A.budding
  • B.cleft grafting
  • C.epicotyl wood grafting
  • D.eyes cutting

Answer: D

The key gives eyes cutting: in protected cultivation, grape can be propagated by single-eye cuttings, in which a cutting with one bud is rooted in a medium under controlled humidity and warmth. I could not find a source comparing the other methods, so this rests on the key.

Budding, cleft grafting and epicotyl wood grafting are used for grafting onto rootstocks, not for propagation in this way.

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