Raisins are produced commercially by drying harvested grape berries.

The official definition of veraison is "change of color of the grape berries."

The Dimiat vine is characterized by the large size of the individual grape berries with the potential for high yields if not kept in check.

An example would be the enzyme invertase which aids the storage of sugars within individual grape berries.

The larvae are the stage that causes the most damage, especially to grape berries which provides sites for bunch rot to occur.

Like other flavonoids, the concentration of flavonols in the grape berries increases as they are exposed to sunlight.

Cabernet blanc tends to produce loose clusters of small, thick-skinned grape berries.

This can be done with the aid of a wine press, by hand, or even by the weight of the own grape berries and clusters.

Limited sunshine means lower sugar levels that can be converted into resources to develop grape berries.

Following fruit set, the grape berries are green and hard to the touch.