Grape Growing

Click on the words in our grape growing glossary below to learn more.

  • APEX - Blossom end of the berry
  • BLOOM - Waxy coating on the surface of mature grape berries; dark colored varieties have a frosted appearance
  • CAP STEM - Small stem that attaches the individual grape berries to the cluster; pedicel
  • CLUSTER - Entire bunch (cluster) of grape berries.
  • COMPACT - Closely and firmly packed together; dense
  • DOWNY - Pubescence, long intertwining hairs that cover a leaf surface
  • ENTIRE - Leaf shape with undeveloped lobes
  • GLABROUS - Hairless leaf surface
  • LATERAL - Branch of the main axis of the grape cluster. Lobes of the mid-sectiopn of the leaf
  • LENTICEL - Tiny, round, slightly raised porelike spot found on grape berries and pedicels
  • LIGNIFIED - Browning and hardening of peduncles or shoots that develop as a result of the formation of lignin; woody
  • LOBE - Prominent, rounded or pointed portion of a leaf separated by a sinus, occurs as 3 or 5 lobes per leaf
  • LOOSE - Not compact or dense in a bunch
  • PEDICEL - Cap stem; attaches grape berries to the cluster
  • PEDUNCLE - Cluster stem; attaches the entire grape cluster (bunch) to the cane
  • PETIOLE - Stem of the leaf; attaches the leaf blade to the shoot
  • PUBESCENCE - Covering of soft, fine hairs
  • RACHIS - The main stem that runs from the peduncle down through the cluster of grapes
  • RUGOSE - Wrinkled; result of sunken veinlets and elevated leaf tissue
  • SHOT BERRY - Undevloped small berry, usually seedless
  • SHOULDERED - Wide development of the top laterals of a grape cluster; larger dimension to the top portion of the cluster
  • SINUS - Indentation between the lobes of a leaf
  • TEETH - Saw like notches along the leaf edge
  • TOMENTUM - Pubescence of intensely matted, woolly hairs covering a leaf surface
  • TUFTED - Long intertwining hairs that form a small ball or tufts
  • VEIN - A vascular bundle that forms the branching framwork to help support a leaf.
  • WELL FILLED - A full branch; not particularly loose or compact
  • WING - Developed lateral that originates from the peduncle, separate from the main body of the cluster
 
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