What term describes the main central axis of a grapevine from which canes, shoots and roots originate?

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Multiple Choice

What term describes the main central axis of a grapevine from which canes, shoots and roots originate?

Explanation:
The trunk is the central vertical axis of a grapevine that connects the root zone below to the canopy above, and from it new growth such as canes and shoots emerges. Cordons are permanent horizontal arms extending from the trunk, canes are the one-year growth that comes off those structures, and spurs are short pieces left after pruning on the cordon. Roots come from the root system below, but the trunk serves as the main axis that organizes the plant’s growth, making it the best term for the central structure.

The trunk is the central vertical axis of a grapevine that connects the root zone below to the canopy above, and from it new growth such as canes and shoots emerges. Cordons are permanent horizontal arms extending from the trunk, canes are the one-year growth that comes off those structures, and spurs are short pieces left after pruning on the cordon. Roots come from the root system below, but the trunk serves as the main axis that organizes the plant’s growth, making it the best term for the central structure.

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