ven2doc1_(glossary)

ven2doc1_(glossary) - VEN 2 Introduction to Viticulture...

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VEN 2 – Introduction to Viticulture Grape Anatomy/Morphology Definitions Arm – In viticultural usage, a branch more than one year old that is attached to a trunk and that bears canes or spurs. Bark – Tough covering of a woody stem or root external to the cambium. Bloom – The waxy coating on grape berries; gives a frosted appearance to dark-colored varieties. Bud – Rounded organ at the node of a cane or shoot containing an undeveloped shoot protected by overlapping scales. Bud break – State of bud development when green tissue becomes visible. Calyptra – Fused petals of the grape that fall off the flower at bloom. Cambium – Thin layer of undifferentiated meristematic tissue between bark and wood. When active, it divides to give rise to the secondary tissues, xylem and phloem, resulting in growth in diameter of stems and roots. Cane – Mature (woody) shoots. See Shoot. Cordon – In viticultural usage, an extension of a trunk, trained along a horizontal wire, and capable of bearing arms, spurs, and canes. Crown – Point at or just below soil surface where main stem (trunk) and root join. Dormant – (1) Plants, buds or seeds not actively growing. (2) Period between normal leaf fall and resumption of growth in spring. Eye
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ven2doc1_(glossary) - VEN 2 Introduction to Viticulture...

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