Bulgarian Journal of Agricultural Science
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EFFECTS OF DIFFERENT VINEYARD ALTITUDES AND GRAPEVINE DIRECTIONS ON SOME LEAF CHARACTERISTICS OF CV. GAMAY VITIS VINIFERA L.
D. Kok, E. Bahar
Abstract: This study was carried out in Ucmakdere Village of Sarkoy County in Tekirdag province of Turkey using cv. Gamay in the course of 2009 growing season. In this research, three levels of vineyard altitude (i.e., low, mid and high) and four different directions of grapevine (i.e., north, south, east and west) were assessed in terms of their effects on some leaf characteristics of cv. Gamay. Based on responses of cv. Gamay to different vineyard altitudes and grapevine directions, strong altitudinal relationships were found out in examined characteristics, including leaf area, stomatal density, stomata length and stomata width. The research results revealed that leaf area and stomatal characteristics were variously affected by vineyard altitudes and also collecting directions of leaves from grapevines. It was observed in research results that leaf stomatal density and stomata length increased with rising vineyard altitude, but leaf area and stomata width reduced with elevating vineyard altitude, regardless of grapevine directions.
Keywords: altitude; grapevine direction; leaf area; stomata length; stomata width; stomatal density; Vitis vinifera L.
Date published: 2017-09-12
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