The Anatomy of a Grapevine
Wine is made from grapes and we have all seen a grape, but have you looked at a grapevine?
Viticulture is a science of grape cultivation and is as important as Vinification (wine-making process). And the basic here is to have a fair idea of how a grapevine looks. All vines have a similar structure, the following are the explanations to the terms used in the picture.
Vine Canopy - It includes every part of the vine visible above ground - trunk, shoots, leaves, fruit bunch, etc.
Rootstock - Rooy system to absorb nutrients and water from the soil. They also anchor the vine.
Graft - A technique of grafting is when a vine is fixed over a stronger rootstock that can resist diseases
Scion - It is the upper part of the plant placed over sturdy rootstock
Trunk - The permanent stem that supports the vegetative and reproductive structure of the vine
Head - The part of the vine where the trunk is split into cordons
Cordon - Arms of the grapevine that extend from the trunk
Shoots - Shoots are the primary part of the vine growth consists of leaves, tendrils and fruit. It is the main focus of viticulture.
Spur - Each year, new canes that have grown along the permanent cordon are cut back to a small shoot containing two buds, known as a spur.
Bud - Along the length of the cane, there are several bumps called buds or nodes. At each of them, there will be a leaf and a flower or leaf and a tendril
Tendril - Vines support themselves with tendrils to stay upright
Leaf - As in all plants, it helps sustain the vine. It's responsible for photosynthesis - a process where plants use chlorophyll and sun energy to convert water and CO2 to sugar glucose and oxygen
Grape bunches - A vine flowers are hermaphrodite - they have both male and female parts. The flowers are in bunches called inflorescences. Each flower that is successfully pollinated will become a grape berry and the inflorescence will become a grape bunch
Sucker - They are small shoots, the grapevine trunk puts out in spring. These shoots pull energy, water, and nutrients away from the main plant and need to be removed.
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