Leaf water potential, nutritional status and must composition in grapes 'Pinot Nero' with and without irrigation

被引：1
|
作者：
Ciotta, Marlise Nara [1 ]
Ceretta, Carlos Alberto [2 ]
Tagliavini, Massimo [3 ]
Zanotelli, Damiano [3 ]
Moser, Damiano [3 ]
Nava, Gilberto [4 ]
Porro, Duilio [5 ]
Brunetto, Gustavo [2 ]
机构：
[1] Univ Fed Santa Maria, Programa Posgrad Ciencia Solo, BR-97105900 Santa Maria, RS, Brazil
[2] Univ Fed Santa Maria, Dept Solos, BR-97105900 Santa Maria, RS, Brazil
[3] Libera Univ Bolzano, Bolzano, Italy
[4] Embrapa Clima Temperado, Pelotas, RS, Brazil
[5] Fdn Mach San Michele Adige, Trento, Italy
来源：
CIENCIA RURAL | 2015年 / 45卷 / 08期
关键词：
nutrients; irrigation; Vitis vinifera;
D O I：
10.1590/0103-8478cr20141225
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Irrigating vineyard soils can affect grapevine water potential, nutritional status, and must composition. This study aimed to evaluate leaf water potential, nutritional status, and must composition in cv. 'Pinot Nero' grapevines grown with and without irrigation. The experiment was conducted at a commercial vineyard of 'Pinot Nero' 828 grafted on SO4 rootstock, established in 2002 in Trento, Northern Italy. The treatments were irrigated (I) and non-irrigated (NI) throughout the 2013 crop season. The criteria evaluated were the water potential of the leaves, total nutrient content in the leaves and berries, and weight of 100 berries, as well as the total soluble solids content, pH, and total titratable acidity of the must. Despite providing a less negative water potential for the grapevine leaves, irrigation did not affect the nutritional status or must composition, and it only slightly interfered with berry nutrient content.
引用
收藏
页码：1408 / 1411
页数：4
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