Molt: To shed a cuticle or exoskeleton during a growth phase.

Molt: To cast or shed the feathers, skin, or the like, that will be replaced by a new growth. In snakes, molting refers to “shedding the skin”. …


Cross-section of a peach fruit.

Pericarp: The part of a fruit formed from the wall of the ripened ovary; fruit wall. The pericarp consists of the endocarp, mesocarp, and exocarp.

Endocarp: The pericarp layer surrounding the seed.


Leaf blade

Flat, thin part of the leaf. The shape and size of leaf blade varies with cultivar. Also known as the lamina.

A Merlot grape leaf blade. Photo courtesy of Patty Skinkis, Oregon State University.


The trunk is the permanent, aboveground woody stem of a tree or vine.

A cordon is a long arm, usually trained along a wire, from which fruiting canes develop.

Fruiting canes are the one-year-old canes that will produce the current …


1. (noun) The physical support structure used for training vines. The structure is usually made of wood or metal for vigorous vines. 2. (verb) To train on a trellis.

Grapevine training

The arrangement of plant parts spatially, done to develop a structure that optimizes the utilization of sunlight and promotes productivity, adapts to the characteristics of the grape cultivar, promotes efficient and sustainable vineyard management practices, and is economical to establish


The onset of ripening. The change of color of the grape berries. Veraison represents the transition from berry growth to berry ripening, and many changes in berry development occur at veraison.